Why do you need a channel?

What is a channel? Description, properties, application and price of channel

It is impossible to imagine construction without metal beams or floors. Using rolled metal, steel profiles of a bent sample are created; they are called channels. The main feature of the profile is that in cross-section it resembles the letter “P”.

Description and characteristics

A channel is a rolled metal product that is widely used in construction. A variety of metal alloys are used for manufacturing.

Channels differ from each other by the method of rolling: as a result of hot production, steel (rolled) is obtained; under the action of a press they create products from light metals (bent). Hot-rolled channels are most often used. They can be divided into the following types:

* Standard channel (ordinary) is produced in various series:

- a product in which the internal shelves have a slope (batch “U”); — a product in which the internal shelves are arranged in parallel (batch “P”); — an economical product, the internal shelves are located in parallel (batch “E”); — a lightweight product with parallel shelves (batch “L”);

— a special sample product (batch “C”).

* Channel GOST values . To produce rolled metal products, two types of steel are used: carbon and low-alloy. For standards of each type, indicate the height, thickness and width of the channel shelves (assortment). According to GOST standards, hot-rolled channel 8240-89 must meet all cross-section parameters.

* A special sample channel is manufactured according to an individual technological process cycle. During production, all standard dimensions are observed, the range of channels is adjusted to GOST 8240-97.

Markings are placed on the channel, depending on the distance (from one shelf to another in centimeters). Under the heading “B” there will be a high-precision channel. Under the heading “B” a channel is created with usual precision.

Most often they are used in automobile and carriage building. With identical shelves, the product is referred to GOST 8278-89, and with unequal shelves - to GOST 8281-80. All profiles are created on profile bending machines.

Channels have a standard release length from 2 to 12 meters. Products over 12 meters are considered special purpose channels. The mass of the channel can be determined by its length, the width of the flanges and the release series (can be viewed in table No. 1).

Table No. 1

Channel no.	Size, mm	Weight, 1m kg	Meters in 1 ton
h	b	s	t
5U	50	32	4,4	7	4,84	206,61
6.5U	65	36	4,4	7,2	5,90	169,49
8U	80	40	4,5	7,4	7,05	141,84
10U	100	46	4,5	7,6	8,59	116,41
12U	120	52	4,8	7,8	10,4	96,15
14U	140	58	4,9	8,1	12,3	81,3
16U	160	64	5,0	8,4	14,2	70,42
16аУ	160	68	5,0	9,0	15,3	65,36
18U	180	70	5,1	8,7	16,3	61,35
18аУ	180	74	5,1	9,3	17,40	57,47
20U	200	76	5,2	9,0	18,4	54,35
22U	220	82	5,4	9,5	21,0	47,62
24U	240	90	5,6	10,0	24,0	41,67
27U	270	95	6,0	10,5	27,7	36,1
30U	300	100	6,5	11,0	31,8	31,45
33U	330	105	7,0	11,7	36,5	27,4
36U	360	110	7,5	12,6	41,9	23,87
40U	400	115	8,0	13,5	48,3	20,70

Kinds

Rolled metal products are divided into the following types:

* Channel with shelf slope. The permissible length should be from 4 to 12 meters. Weight deviations should not exceed -3+5%.

* Channel in which the shelves are located parallel. The height of this product ranges from 5 to 40 cm, the width of the shelves is from 32 to 115 meters. They produce economical, lightweight and special ones.

* Light series channel, in which the edges of the flanges are located parallel. This product has thinner walls of the shelves and the rental itself. The height can be from 12 to 30 cm. Due to the fact that the metal structure is lighter, it is easier to install, and accordingly, the cost will be lower.

* Channel of an economical series, in which the edges of the shelves are placed parallel. Alloys of inexpensive metals are used for manufacturing; they belong to the “E” series. The channel dimensions must comply with GOST (see table No. 1).

Application in construction

The channel is considered a fairly durable metal structure, and therefore has the widest application in many industrial sectors. In the manufacture of cars and railway cars, special-purpose channels are used. In construction they are most often used as frames, frames, and various load-bearing structures.

Due to its low mass, the channel acts as a full-fledged component of the reinforcement of reinforced concrete structures. As an independent element, it can be seen in the frames of buildings, ceilings, stands and ramps.

This product is an integral part of the load-bearing floors of spans and large structures. To improve the functional qualities of concrete, lightweight channels are used. They are used during the installation of roofing, to strengthen load-bearing walls. The product can withstand a variety of loads perfectly.

The bent channel has the following advantages:

- has low weight; — easy to work during welding work; — able to withstand extreme loads, both axial and bending;

— easy to install, you can do without welding.

Areas of application of steel channel :

* Car manufacturing industry * Automotive industry * Shipbuilding industry * Machine tool industry * Construction industry

*Household industry

Increasingly, rolled metal is being used for the reconstruction of buildings. For private use, it is used for the construction of cellars, greenhouses and hangars. Structures made from channels allow you to save on metal consumption.

The small mass of the product will help create lightweight frames, but this does not in any way affect its strength. The unique invention has a first-class combination with other materials. It can be given a variety of building forms during construction.

The lightest aluminum products are also widely used. They are produced using a stamping press, the scope of application: connections of various joints, as parts of frames for cladding; as interior components.

For example, for the base for drywall, siding or alupane, the sheathing is made from rolled aluminum metal. It is clear that these products will be very lightweight, but during the installation process they can be used to create any designs. In order to correctly navigate during the purchase, you first need to look at the technical specifications.

Small digital values ​​of the product from 5 to 10 indicate that they can be used as full-fledged corners. They are used where it is necessary to connect beams with a square cross-section.

Profiles with indicators 10 and 12 are used as reinforcing components in more massive structures: during the construction of bridges, spans, huge buildings, and so on.

Rolled metal profiles with values ​​from 20 to 40 are actively used where significant loads, both axial and transverse, will be carried out.

I would especially like to note the purpose of profiles with the 40 mark; they are able to withstand extreme loads. Therefore, they are actively used for the construction of huge complex buildings.

For example, they are also often used for the construction of railway bridges. Manufacturers are actively expanding the base of rolled metal profiles. To do this, they often carry out orders for the production of special-purpose channels. Orders for profiles marked “C” from the automotive industry are especially in demand.

When equipping communications, profiles are used as reliable paths. In the process of laying high voltage cables, you can create reliable shafts that allow you to maintain communications for a long time.

The operational life of such a structure is more than 20 years. When laying a water supply system, they also resort to using a channel. It is unique in that any frame can be built from it. If you look closely at the ramp or carts, they are also made of a similar profile.

We can say that channel and concrete simply “adore” each other. Almost every concrete element is weighted with rolled metal reinforcement. For example, there are tall billboards in all cities.

During their construction, steel profiles were actively used. To choose the right profile, it is important to make accurate calculations. This can only be done by a qualified specialist. If the calculations are made incorrectly, the reliability of the future structure will decrease significantly.

Experienced builders note the main feature of the profile - there is no need to use welding during the installation process. To put it simply, products are most often folded like a construction set.

Different lengths allow you to create a wide variety of frames. As noted above, steel profiles are used for the construction of impressive structures. Aluminum is used for interior repair/construction work.

If you use a channel at home, you can easily make a staircase between floors, to the attic, loggia or balcony. The frame will be light and airy.

Then it can be decorated with different materials: wood, plastic, glass or wrought iron. A sliding staircase is often used from rolled material. It will not be heavy, strong and will last a long time.

Price

The price of a channel directly depends on its type and manufacturer. The domestic market offers a wide range of these products at an affordable price from Azovstal, Evraz, NTMK.

The cost of steel channels per linear meter will be as follows:

* With sizes from 5U to 10U it costs from 250 to 390 rubles; * With sizes from 12U to 20U it costs from 500 to 1,180 rubles;

* With sizes from 22U to 40U it costs from 1350 to 6 thousand rubles.

Source: https://zastpoyka.ru/chto-takoe-shveller-opisanie-svojstva-primenenie-i-cena-shvellera/

Application of channel in construction

Application of channel in construction

When constructing large construction projects, the need arises to construct a reliable load-bearing frame. For its construction, all kinds of rolled metal are used, from steel beams to various types of channels.

What is a channel? Why is it so in demand in construction, and what types of channels exist today?

What is a channel?

A channel is a standard metal profile with a U-shaped cross-section. Today, there are various types of channels, which differ from each other in their manufacturing method and configuration. A wide variety of channels can be viewed on this website rostov.atlantis.com.ru/katalog/shveller, where a wide range of this rolled metal is presented.

The main characteristics of any channel are its length, height and width of the “neck” (the distance from the edges connecting the channel). The materials used for the manufacture of the channel are low-alloy or carbon steel, the rolled metal from which is especially durable and reliable in operation.

Today, the channel has found the widest application in construction. Using this rolled metal, it is possible to assemble a support structure without welded joints, which will be particularly reliable and durable.

Types of channels

All types of channels existing today can be divided according to their manufacturing method and configuration.

According to the manufacturing method, channels are:

1. Equal and unequal;
2. Hot-rolled steel and special channels, which are used primarily in carriage building and mechanical engineering.

According to their configuration, channels can be either with parallel edges or with edges that are made at a certain angle. The length of the channel can also be different, from 4 to 12 meters.

In addition, channels are divided depending on their purpose. For example, there is a channel, common for wide use, which meets the requirements of GOST 8240-89. There is a special channel, which is used primarily in carriage building and mechanical engineering.

However, as mentioned above, the channel found its widest application in construction. Due to its excellent physical and mechanical properties, this type of rolled metal is widely used for the installation of supporting structures, in the manufacture of stairs, interfloor ceilings and much more.

The construction of both domestic buildings and industrial facilities is often impossible without a channel. This rolled metal has also found application in interior decoration, where it is used to make the basis for communication systems.

Hot-rolled channel is simply an indispensable metal product for assembling trusses, columns and roofs, as well as bridges. In addition to construction, this type of channel is also in demand in the carriage building and automotive industries.

Source: https://remstroisovet.ru/primenenie-shvellera-v-stroitelstve.html

What is a channel: types, markings and areas of use

Such a common element of many supporting structures as a channel is a U-shaped profile that can be made of various types of steel, including stainless steel. Channels can differ not only in size (a special table is used to determine each of them), but also in manufacturing technology.

We understand the range of channels

Channels are produced using cold-rolled and hot-rolled technology. U-shaped metal profiles of different brands also have differences in the design of the shelves. Thus, there are channels, the inner edges of the shelves of which are parallel to each other, as well as products, the shelves of which are made with a certain slope on the inside.

However, no matter what version the shelves are made in, the entire range of profiles with a U-shaped section is distinguished by high rigidity, combined with low weight. It is these properties that make it possible to successfully use channels of any size for the manufacture of highly loaded structures for construction and any other purposes.

The main advantages of U-shaped profiles include:

• high strength, ensuring resistance to bending loads;
• the ability to successfully withstand not only bending, but also multidirectional loads (rupture, compression, etc.);
• high resistance to shock loads, which can lead to mechanical damage to the structure (a metal channel, which is made with high quality and in accordance with GOST, has practically no weak points in its design that can cause its destruction from various loads).

Parameters of a channel with a slope of the internal edges of the shelves

Classification

Channel types depend on several criteria. In particular, products are divided into the following groups:

• According to manufacturing technology . In this direction, two categories are distinguished: bent and hot rolled. The differences between the products are as follows: hot-rolled channels have a straight or acute angle between the transverse beam and the vertical edges, bent channels have a rounded bend. This category includes welded structures made of two welded angles and H-shaped ones, called I-channels.
• Rolling precision . There are three groups here: A, B, C, denoting high, increased and normal accuracy, respectively.
• Durability . This criterion determines the resistance of the product to dynamic loads. In particular, there are products on the market with regular and increased strength.

In addition, channels are divided into size groups, where the determining criteria are the length and width of the product.

Series

All channels are distinguished by the peculiarities of rolling (hot and cold) and are produced in the following series (batches):

• "U";
• "P";
• "E";
• "L";
• "WITH";
• "B";
• "IN".

Hot-rolled channels are most often used. Less often - cold-chased. All channels are manufactured on specialized machines.

Marking according to GOST standards

If we talk about GOST , channels are marked with alphabetic and digital designations. Numerical markings indicate the distance between parallel edges, expressed in centimeters. Letters define additional properties of the product. For example:

• P – parallel arrangement of external edges.
• U – the shelves are located at an angle.
• L – lightweight design.
• E – economic category channels.
• C – special products.

For example, the marking of channel 18AP means the following: a high-precision rolled product with a distance of 18 centimeters between the shelves, which are located at right angles.

Special profiles

Custom-made channels can be marked according to the specific application:

• “S” - special (GOST 19425-74), they are more often used in the automotive industry and the production of machinery, machines, cranes and other mechanisms;
• “B” - for carriage building, produced in accordance with GOST 5267.1-90;
• “M” - products for suspended tracks (machine).

Scope of application

As mentioned earlier, channels are used in capital construction. The main purpose of the products is to strengthen concrete structures, which significantly increases the strength and durability of the structure. In addition, channels are used for reinforcing power lines, bridges, industrial buildings and structures.

It is worth noting that perforated products are available for sale. There are special holes designed for quick installation without the use of electric welding. In addition, pipes for quick installation of utilities and cable lines can be located between the shelves.

There are channels made of aluminum alloy, used for the construction of lightweight structures. In particular, internal partitions of interior spaces, shelving, display cases.

Source: https://instanko.ru/drugoe/shveller-razmery.html

Channel - use and load

A channel is one of the types of shaped steel products. In cross section it has the shape of the letter “P”. This form provides the channel with such rigidity indicators that make it possible to use it in a wide variety of industries - from heavy engineering to the construction of country houses. Channels are used in automobile and carriage building, they are used to make various supports and fences, and they are used to strengthen entrance gates and window openings.

Numbers, letters and GOSTs

According to the production method, the channel can be bent or hot-rolled. It is easy to distinguish them even for a non-specialist - a hot-rolled channel has a clearly defined edge, while a bent channel it will be somewhat rounded. Other features of various types of channel are determined by their markings.

In particular, the letters A, B and C in relation to batches of hot-rolled channels will indicate that the rolling was carried out with high (A), increased (B) or normal accuracy (C).

The channel number indicates the height of its section, expressed in centimeters.

The width of the profile corresponds to the width of the shelf and can range from 32 to 115 mm. The marking of a channel, for example 10P, reflects its height and type of profile. The height of the channel section is generally the main parameter in its marking. The channel number is its height in centimeters, and the letters adjacent to it indicate that the channel cross-section can be:

1) with a slope of edges (series U and C), where U is the slope, and C or Sb are special series. 2) with parallel edges (P, E and L series), where E means economical series, and L means light. Letters C (for example - 18С, 20С, etc.

), can be found in products intended for the automotive industry or for the construction of railway cars (GOST 5267.1-90). Sometimes there are also exotic types of channels.

For example, GOST 21026-75 determines the parameters of channels with a bent flange (they are used in the production of trolleys for mines and mines).

The most popular channel sizes

The most popular among consumers are channels with numbers from 8 to 20. Their geometric parameters in categories P (that is, with parallel edges) and series Y (with a slope of internal edges) are the same, the difference is observed only in the radii of curvature and the angles of inclination of the shelves.

Channel 8 is used mainly for strengthening structures inside domestic and industrial buildings. In its production, semi-quiet (3PS) and mild (3SP) carbon steels are used, which are characterized by excellent weldability.

Channel 10 is widely used in mechanical engineering, machine tool building and other areas of industry. It is also successfully used in the construction of bridges, walls and load-bearing supports in the construction of industrial buildings.

Channel 12 is very similar to the “eight” channel, but has higher strength characteristics and load-bearing capacity, which makes it possible to reduce the metal consumption of structures erected with its participation.

Channel 14 is one of the most popular types of channels. used in building structures for rigid reinforcement of load-bearing parts, giving metal structures special strength and rigidity. Channel 14 comes in standard and increased accuracy.

Channel 20 acts as a load-bearing element when reinforcing bridges, when reinforcing floors (including complex ones) of multi-storey buildings, and in roof purlins.

Due to its high performance qualities, the “twenty” is often used in structures with high loads - both dynamic and static.

There are also non-standard applications of channels. A perforated (that is, “holey”) channel allows, for example, the installation of metal structures without welding, which significantly reduces installation time.

For perforation, channels with high shelf heights and wide distances between them are best suited.

Such products are designated by the letters ШП - “Perforated Channel” and are most often used in the construction of temporary structures (for example, scaffolding) or warehouse racks.

To create such structures, channels with small numbers are better suited, since the weight of the rack (and therefore the channel from which it is assembled) should not be too large.

In interior decoration, channels are used as a “security” frame when laying high-voltage electrical wires.

Sometimes channels are also used as a guiding load-lifting device, including as ramps for strollers and carts.

In general, the use of channels can be varied, but still their main purpose is to strengthen structures and the ability to withstand long-term loads.

How much can a channel weigh?

Channel number	Weight of 1 meter in kg	Meters per ton
5	4,84	206,6
6,5	5,9	169,5
8	7,05	141,8
10	8,59	116,4
12	10,4	96,2
14	12,3	81,3
16	14,2	70,4
18	16,3	61,3
20	18,4	54,3
22	21	47,6
24	24	41,7
30	31,8	31,4

Conventions in channel markings - how to understand them?

And since the main purpose of the channel is to withstand loads, from its markings it is first necessary to find out the parameters that will allow this load to be calculated, namely, the composition of the steel, its strength, rolling quality, and so on.

What can you learn from the labeling?

For example, before us is a package of hot-rolled channels, on which it is written: 30P-V GOST 8240-97/St3sp4-1 GOST 535-88

This means that we have a 30P channel - that is, with parallel edges and a section height of 30 cm. The letter B indicates the usual rolling accuracy B, made of steel St3, fourth category, first group.

The same channel, but only made of steel 09G2S with increased rolling precision, will receive the designation 30P-B GOST 8240-97/345 GOST 19281-89 , in which 345 will mean the strength of steel corresponding to grade 09G2S.

But in the marking A 300x80x6 B GOST 8278-83/2-St3sp GOST 11474-76, the letter A will indicate high accuracy of profiling of a steel workpiece (strips) from the second category of steel St3sp, from which a bent equal-flange channel with dimensions 300x80x6 (where 300 mm is made) cross-sectional height of the product, 80 mm is the width of the shelves, and 6 mm is the thickness of the shelves and walls)

Types of loads and channels

View A. “Canopy over the entrance.” This type includes beams with rigid embeddings. The load is usually applied evenly. These could be canopies over entrances. Welding is used for their manufacture. They are made of two channels attached to the wall, and the space is filled with reinforced concrete.

View B. “Interfloor slabs” Rigidly fixed single-span beams, the load on which is distributed evenly. Usually these are floor beams between floors.

View C. “Hinged balcony support.” The beams have two supports with a cantilever, the load is distributed evenly between them, but they extend beyond the outer walls. This is necessary to create support for the balcony slabs.

View D. “Under two jumpers.” These are single-span hinged-supported beams on which two concentrated forces act. Usually these are lintels on which another pair of floor beams rests.

View E. “Under one jumper.” These are single-span hinged-supported beams where one force is concentrated. Usually these are lintels on which one beam of another floor rests.

After it has been clarified what type of channel this channel belongs to and where the main load will go, a calculation formula is selected.

An approximate method for calculating the load on a channel

To make the calculation you need to do the following:

     -First, determine the total load that will act on the beam - and multiply it by the standard safety factor for loads.

     -Multiply the result obtained by the pitch of the beams (in this case this applies to channels).

Next, you need to calculate the maximum bending moment.

All data for the channel is taken according to GOST.

The formula is as follows: the bending moment Mmax will be equal to the design load multiplied by the length of the channel squared. The unit of measurement is kiloNewtons per meter. (1 kNm = 102 kgcm)

Then proceed to calculate the required moment of resistance of the beam.

The formula is as follows: the moment of resistance Wtr will be equal to Mmax, which is multiplied by the operating conditions coefficients and divided by 1.12 (this is a coefficient for taking into account plastic deformations).

Thus we obtain the required section. But at the same time, you need to remember that the channel number must be greater than the required section moment.

Source: https://stvybor.ru/staty/183-shveller-ispolzovanie-i-nagruzka/

What is a channel and why is it needed?

Channel is one of the very common and recognizable options for rolled metal profiles. Why is it called that? Its name comes from the name of the German engineer who first used it in construction.

The cross-section of the channel is a wide letter “P”: it consists of two “shelves” and one wall. The channel, like many other types of rolled metal, is specialized in its own direction: it is used mainly in construction and mechanical engineering. It is in demand due to its cross-section, which allows it to bear high loads and with which a tight fit can be achieved.

What kind of channel is there?

The channel is classified according to the following criteria:

• Hot rolled channel (according to GOST 8240-97)

This option is produced by rolling the workpiece at a temperature of ~1200 degrees Celsius.

• Bent equal flange channel (according to GOST 8278-83)

Produced on pipe mills from rolled steel of various qualities and properties.

A hot-rolled channel is superior to a bent channel in terms of strength characteristics (with equal wall thickness), which is why it is used more often.

Hot rolled channel (according to GOST 8240-97) is divided as follows:

• With a slope of the inner edges of the shelves (marked with the letter U).

The shelves of this option are sloped on the inside, which allows them to better resist bending deformations. This channel is more rigid in bending.

• With parallel edges of shelves (marked with the letter P).

As the name suggests, the shelves of this rental are parallel to each other.

• Economical (marked with the letter E)
• Light series (marked with the letter L)

The last two options are used quite rarely.

• Carbon steel
• Low alloy steel
• On special order, high-alloy (stainless, heat-resistant, etc.) steel.

The main volume of the channel is made of carbon steel. A channel made of low-alloy steel is much less common.

Channel brand

Let's start by analyzing the markings of hot-rolled channel No. 20U. The marking is simple: “20” in this case means the outer dimension, that is, the size from one shelf to another (the size is measured along the outer edges of the shelves) in centimeters. That is, it is 20 centimeters. “U” is a channel with a slope of the inner edges of the shelves. Also in this place there may be the letter “P” - with parallel edges of the shelves; “E” - economical; and “L” - light series.

The markings of a bent channel are also easy to read. For example: bent channel 100x50x4. Since this option is made from rolled steel, the final product, like the workpiece for it, has the same metal thickness throughout the entire section of the profile. In this case it will be “4”. The value is indicated in millimeters. 100 in this case is the size of the “wall”, and 50 is the size of the “shelves”.

Why do you need a channel?

Channels are a very common and sought-after type of rolled metal, and are used frequently and extensively. Therefore, the scope of its use is very extensive. We list the main ones:

1. Construction. The following examples can be listed: reinforcement of structural elements, supporting function in structures, niches for various communications (a full-fledged channel is obtained, since the channel is hollow inside).

2. Mechanical engineering. Supporting and fixing parts (remember the flat, convenient “wall”), fasteners, frames, equipment for assembling and welding products, etc.

3. Automotive industry. By analogy with mechanical engineering.

Which channel to choose?

This issue should be approached comprehensively, depending on your goals. If a channel structure will bear critical loads, it is worth involving specialists and making the necessary calculations.

If the channel is a component of non-critical structures, you can use the Internet - look for articles on specialized forums, completed projects similar to yours. Study the reviews of those who have already built a similar project and repeat this experience, taking full responsibility for your own choice. Details for the projects, and, accordingly, the size and cross-section of the channel, will already be recommended.

Rolled metal is produced in a variety of configurations, and in each specific situation its own profile is optimal, be it a channel, a profile pipe, or any other profile. At the First Metal Base company in St. Petersburg you will find a wide variety of ferrous metal. If we don't have the product you need in stock, we can supply it to order.

Source: https://www.1metallobaza.ru/blog/fasonnyy-metalloprokat-shveller

What is a channel: production features, types of products, areas of application

The construction industry today cannot do without such a product as a channel. These products are made from U-shaped steel. This type of section makes it stand out from many other metal structures. The finished product can have a thickness of 0.4 to 1.5 cm, with a wall height of 5 to 40 cm.

The production technology of these metal structures from non-ferrous metals consists in processing the material by extrusion and pressing. Steel channels are made by rolling a product blank on a section machine. The construction industry finds use for all varieties of this material.

Production of steel channels

In simple terms , a channel is a device necessary to impart high stability to building structures. It distributes the entire axial load over the surface of the structure. Thus, under bending loads, high strength and rigidity of metal structures is ensured.

But unlike a regular beam, channels have a special U-shaped section. The production technology comes down to the hot rolling method of steel combined with the cold deformation method. In addition to steel, non-ferrous metals are used to produce this item. And most often aluminum is used as a non-ferrous metal.

According to the requirements of GOST, channel steel (8240−97) is produced in the form of long products from steel 3ps/sp5, as well as rolled products from alloys 09g2s. According to their form, products are divided into two types:

• Sloping. This product received its name due to the placement of the internal edges at a slope.
• Parallel. This channel is produced with edges located parallel to each other.

A steel channel with a U-shaped cross-section, obtained by hot rolling, is one of the varieties of this product. The object looks like two shelves located parallel to each other and having one connecting wall.

Such products are produced in three varieties:

• With measured length.
• With an unmeasured multiple of length.
• With measured multiple length.

Modern equipment allows us to produce channels of non-standard sizes, taking into account customer requirements. In this case, the slope of the internal faces should not exceed 10%. An object made of hot rolling steel does not lose its demand among light and heavy industries.

Types of hot rolled channel

Options for the production of this product today provide for the possibility of its use in the automotive and carriage building fields. Using bending machines, modern industry produces bent channels:

• Made from low alloy steel.
• Carbon steel.

This production method uses cold and hot rolling methods. In turn, such production involves the production of equal and unequal products. This method is considered special and is used only for making products that can withstand high bending loads.

The production of low-alloy steel products is necessary for construction areas where the use of materials with high resistance to dynamic loads and resistance to high temperature fluctuations is required.

There are five classifications of this product , which are marked with the corresponding letter:

• Special series.
• Products with a certain slope of the internal edges of the shelves (U).
• Economical products with parallel shelf edges (E).
• Lightweight products with parallel shelf edges (L).
• Products with parallel shelf edges (P).

In the construction field, these products have found wide application. With their help, not only multi-storey residential buildings are built, but also industrial enterprises and small country houses. These products are also in demand in the construction of bridges and fences, fences, trusses and other metal structures.

The area of ​​use of bent channel is reduced to the construction of frames during the repair or construction of houses. Among the advantages of this product are:

• ease of use;
• durability;
• efficiency;
• versatility.

The construction area involves the use of this product in conjunction with concrete structures. This metal profile allows you to assemble a structure without using a welded joint. For this purpose, the industry produces perforated products. Such products eliminate the use of welding equipment, especially when this is not possible.

The perforated channel finds its application in fixing electrical communications. It is particularly popular due to its ease of use and transportation. For its production, steel is used using a polymer coating or zinc coating produced by the powder method.

To give the pipeline high wear resistance, you can use the channel as a frame for less durable pipes. Aluminum products are used in lightweight structures, such as office partitions, shelving, and display cases.

Production of channels

Source: https://tokar.guru/metallicheskie-izdeliya/profili-ugolki-shvellery/shveller-vidy-proizvodstvo-i-oblast-primeneniya.html

Channel - classification and scope of application | Minprom Group Metal Rolling

A channel is a metal product that forms the letter “P” in cross section. The channel has walls and a shelf. In cross-section, the wall is called a “lintel”, and the shelves are called the legs of the letter “P”. The most important characteristics of shelves and walls are their standard sizes. So the height of a channel means the height of its shelves.

A steel channel is made from rolled steel by hot rolling of blanks on section mills. The channel is made with a slope of the internal edges of the shelves and with parallel shelves. The channel number indicates its height.

Characteristics of the assortment and classification of the channel

The bent channel is made from coiled hot-rolled and cold-rolled carbon steel of ordinary quality, high-quality carbon and low-alloy steel.

According to the manufacturing method, channels are divided into the following types:

• Hot-rolled steel channels;
• Special steel channels;
• Equal-flange bent steel channels;
• Bent steel channels, unequal flanges.

In accordance with its purpose, the channel is divided into:

• Conventional, widely used channel, assortment regulated by the requirements of GOST 8240-89;
• Special, intended for the automotive industry, assortment in accordance with GOST 19425-74;
• Special assortment for carriage building GOST 5267.1-90.

Hot rolled channel - produced by hot rolling of metal. Hot-rolled special-purpose channel is manufactured in accordance with GOST 19425-74 and is specially designed according to industry requests.

Most often, such a channel is in demand in the car industry, as it has the necessary modified geometric characteristics.

For example, a hot-rolled steel channel with a bent flange for trolleys (produced according to GOST 21026-75), the bent flange of which has a deviation from the flange width of 6-10%. The advantage of such a channel is that, being made of alloy steel, it has no restrictions on welding.

Hot-rolled steel channel
is manufactured in accordance with GOST 535-88 in two types:

• Channel with a slope of the internal edges of the shelves: 5, 6.5, 8, 10, 12, 14, 16, 16a, 18, 18a, 20, 22, 24, 27, 30, 33, 36, 40;
• Channel with parallel edges of shelves P: 5P, 6.5P, 8P, 10P, 12P, 14P, 16P, 16aP, 18P, 18aP, 20P, 22P, 24P, 27P, 30P, 33P, 36P, 40P;

Channel with sloped edges - a hot-rolled channel with sloped edges is manufactured in accordance with GOST 8240-97 and has a slope of opposite flanges from 4% to 10%.

Such a channel is marked with the letter “U” and a number in front of it, which determines the distance between the shelves in centimeters.

Channel with parallel edges - this type of channel differs from a hot-rolled channel with sloped flange edges in that it has parallel edges. It is also manufactured according to GOST 8240-97. Such a channel is marked with a letter by type (“P” - with parallel edges, “E” - economical, “L” - light) and a number that determines the distance between the shelves in centimeters.

Channel with sloped edgesChannel with parallel edges

Depending on the rolling accuracy, hot-rolled channels are divided into:

• High accuracy - “A”;
• Normal accuracy - "B".

The special channel is intended for use in the automotive industry (GOST 19425-74) and in carriage building (GOST 5267.1-90).

Depending on the rolling accuracy, the special channel is divided into:

• High strength - “A”;
• Normal strength - “B”.

Bent steel channel is divided into:

• Bent equal-flange channel;
• Bent unequal flange channel.

Steel bent equal-flange channels in accordance with GOST 8278-93 are manufactured on pipe mills from coiled steel of ordinary quality and high-quality carbon structural steel. The height of the equal flange ranges from 50 to 400 mm, width from 32 to 115 mm.

Steel bent unequal-flange channels are manufactured on roll forming mills from rolled cold-rolled and hot-rolled steel of ordinary quality, high-quality carbon structural and low-alloy steel in accordance with GOST 8281-80. They are also divided by numbers, which indicate the distance between the shelves (in mm). The length varieties are the same as for equal-flange channels.

The highest quality category of bent unequal-flange and equal-flange channels corresponds to categories A and B.

Depending on the rolling accuracy, bent channels are divided into:

• High accuracy - “A”;
• Increased accuracy - “B”;
• Normal accuracy - "B".

Bent equal-flange channel Bent unequal-flange channel

Forms of bent channel:

• “U” - channel with a slope of the internal edges of the shelves;
• “P” - channel with parallel edges of the shelves;
• “L” - light series channel with parallel flange edges;
• “C” is a special channel.

Due to the wide range of channels available, many GOSTs and technical regulations have been developed for them. The channel's compliance with these GOST standards is the key to product quality.

Application of steel channel

Due to their high axial bending strength, relatively low weight and metal consumption, hot-rolled channel and bent channel are widely used in almost all sectors of the economy.

In addition to special channels used in the automotive and carriage manufacturing industries, as frames, frames and other load-bearing structures, this is the main material used in construction.

The channel is used both for reinforcing reinforced concrete structures and as an independent material for the manufacture of building frames, floors, and ramps.

The channel is used in the construction of large spans and multi-story frame structures. It is often used as reinforcement for walls, roofs, and also to strengthen concrete. The channel perfectly withstands both axial and load-bearing loads.

Price list - channel

The MINPROM GROUP company offers a wide range of steel channels at reasonable prices, which can be found in the price list.

Look at the price list for channel bars in the Dnieper and Kyiv.

Our managers will help you calculate the cost of wire rod, and will also inform you about the discounts currently in effect in our company for the required tonnage and type of channel - call. The MINPROM GROUP company adheres to an affordable pricing policy, so the cost of the channel is quite low.

Visitors who want to buy a channel often search for it like this: channel, channel, hot-rolled channel, bent channel, bending channel, bent channel, bending channel, steel channel, steel channel, steel channel.

Any questions? We will be happy to answer them, contact us.

Source: https://minprom.biz/spravochnik/shveller-klassifikacija-i-oblast-primenenija/

Types of channels

The main difference between channels is in the method of their manufacture; accordingly, there are two categories of products. The first category includes hot-rolled channels produced by hot rolling; the second category includes cold-formed channels produced by cold rolling. Their distinctive feature is the presence of smoothed corners of the shelves.

Both types of products are used with equal frequency in construction work to build durable structures. Also, the use of channels makes it possible to reduce the metal consumption of construction projects by an order of magnitude.

Channels are actively used in construction using foam concrete - they are needed to create a frame into which these blocks are subsequently laid. Repair and strengthening work can also be noted.

Marking

To choose a channel that is suitable for a particular situation, you should understand the decoding of its markings, which indicate the characteristics of the product. The marking consists of numbers indicating the distance between the edges of the shelves (in centimeters) and symbols.

Parallel edges are designated by the symbol P, the same channel, but lightweight, is designated by the symbol L, the same model, but economical, is marked by the symbol E.

A product with inclined internal edges is designated U, special channels are marked C.

For small-sized structures, 5P is used; for floors between floors, 10P is more suitable.

Manufacturing Features

The main difference from a conventional beam is the presence of a U-shaped section. Such a cross-section can be obtained either by the hot method or by cold deformation. Steel channels are made using long products and rolled products from alloys 3ps/sp5 and 09g2s, respectively.

According to the location of the edges, the channels are divided into two groups. The first group includes products with parallel edges, and the second - with inclined edges.

Areas of use

Most often, the area of ​​application of channels, regardless of marking, is construction, and we are talking specifically about large-sized rod structures and residential buildings. The second most popular area is repair work performed on both residential and industrial sites.

Channels can be a supporting element used to reinforce walls, floors, and to create a foundation for laying communication systems. Ramps for the movement of disabled people are also created using channels.

Based on the area of ​​use, the type of material is selected. Not every alloy is able to withstand the load from a load-bearing wall, so for these purposes it makes sense to take steel beams. If you need to install a reinforcing belt on a massive structure, then you cannot use aluminum products for this, since they are not designed for this. An aluminum frame can be used inside a room, for example for an arch, a relief ceiling, for niches and ledges.

All of the listed types of products are selected according to their markings, which should be understood by anyone who wants to use channels in construction or repair. For corners or connecting parts, you should choose channels with a low value. A value of 10 or more should be relied upon when you need to select a product for wall reinforcement. Anything greater than 20 can be used to maintain the strength of buildings that will be subject to dynamic impacts of varying strength.

If the building is high-rise, or the channel will be intended for a bridge, then you need to look for a marking with a value of 40. Before selecting a product, it will be useful to familiarize yourself with the detailed marking table.

Source: https://www.stroysmi.ru/materialy/chto-takoe-shveller/

Channel - standards, sizes, assortment and features of the use of rolled metal in construction

Modern construction and various branches of mechanical engineering cannot do without metal structures, all kinds of floors and beams. They create rigidity, reliability, and durability.

Steel profiles bent in a special way are called channels. Their difference from other metal products is that in cross-section they look like the letter “P”.

Brief contents of the article:

• Series
• Kinds
• Assortment
• Application
• Choice
• Photo of the channel

Assortment

This is the name for the main characteristics of the channels: shelf width, thickness and height. All of them are adjusted to GOST (their cross-sectional parameters must correspond to it). Also, each channel has normal and increased accuracy (marked “B” and “C”).

The length of the channels is standard (2-12 meters). When it exceeds 12 meters, they are considered special purpose channels.

The weight of the channel depends on:

• Lengths;
• Shelf widths;
• Series.

It is most convenient to calculate it using the table of channels, which displays all samples of existing rolled products.

Application

The channel is a very durable structure that can withstand significant loads. It is good friends with concrete, significantly strengthening it during the construction process. It produces excellent reinforcement that increases the stability and strength of reinforced concrete structures.

Various areas of construction cannot do without the use of channels. They are an irreplaceable, durable, reliable material. All kinds of ceilings, frames and ramps are mounted from channels. This increases their operational reliability and durability.

In the process of manufacturing cars for railways and automobiles, specially designed channels are used that can withstand significantly different bending and axial loads.

In the process of interior work, lightweight aluminum channels (profiles) are often used. Made from thin metal, they are convenient for working with drywall and plastic. Such channels, despite their flexibility, create fairly reliable supporting structures.

In the process of reconstructing a building, creating various partitions for physical zoning of space, they are indispensable.

Light type channels (“L”) have a lot of advantages:

• Light weight;
• They are easy to work with during welding and installation of metal structures;
• Well withstand maximum loads both in bending and axially;
• In most cases, during the installation process you can do without welding altogether, assembling all the elements like a construction set!

Channels as reliable supporting elements are indispensable in the construction process:

• Cars;
• Railway cars;
• Ships;
• Various machines and assembly machines;
• houses,
• Foundation;
• All kinds of frames and ceilings;
• Reconstruction of buildings;
• In interior design;
• Advertising neon posters in big cities..

Choice

Before deciding which channel is best to use, it is necessary to carry out calculations according to a special table. To choose the right rolled metal. The reliability of the structure being built will directly depend on this.

Incorrectly carried out calculations and selected channel can significantly reduce the technical characteristics of a structure and make it more vulnerable.

The supporting structure places stringent demands on itself. The correct type of channel must be selected for it. Some varieties simply won't work.

As for the price of the channel, it directly depends on the manufacturer. It is also influenced by the type of rolled metal.

The minimum price is 250 rubles, the maximum reaches 6,000 rubles. and above (per linear meter).

Photo of the channel

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Source: https://stroimaterials.ru/shveller/

What is a channel and why is it needed |

This is a type of rolled metal that has a U-shaped cross section. This structure is formed from a wall and two shelves.

Modern construction is unthinkable without such elements, which, with a relatively low weight, can easily withstand significant loads.

If you need a channel, the dimensions of which must be strictly defined, then you need to remember that there are equal and unequal flange products. In the second case, the dimensions of the shelves forming the U-shaped section will be different.

The following types of channels are used in construction:

• shelves having an internal slope;
• with parallel internal edges;
• bent equal-strength and unequal-strength;
• special;
• cold rolled.

Product designation

To make choosing the right product easier, the distance between shelves is used. This is the number that appears after the designation of the element, but there are also differences in length: it varies from 4 to 12 meters.

From the point of view of counteracting large loads directed vertically downward, the channel is second only to the I-beam. The width of the shelves varies and starts from 32 mm, and can reach 115 mm, therefore the load capacity varies within a wide range. The situation is similar with height, which ranges from 5 to 40 cm.

It must be remembered that the standard channel 10, the dimensions of which can be different, will be the cross-section that is required in a particular case and depends on the place of application. The letter found after the number indicating the distance between the shelves will tell the specialist about the type of product. If a product with the “U” index is used, then we are talking about inclined internal edges. When the shelves are located parallel, this is a “P” series channel. There are also “L” - light, “S” - light varieties.

Application of channels

Today, the demand for such products is quite high, which is due to the widespread use of concrete and metal structures. The attractiveness of the channel lies in the fact that it is light in weight and can withstand quite a significant load.

The channel owes this feature to its U-shaped profile, which provides the necessary combination of structural properties and reliability. Metal structures of this type can be used both for construction and for repair work.

They are used in a wide variety of fields, from mechanical engineering to the creation of various shelving.

Application of channels

Various metal structures that are erected for advertising purposes or for laying communications are also places where such elements are in demand. Channel 20, whose dimensions vary widely, is excellent for this purpose.

Its type depends on where the metal structure will be used. For example, to work under heavy loads, it is better to use a design with inclined shelves. In fact, the outer contour of the product still remains U-shaped, but the inner one already has some deviations from this shape, because the slope of the inner walls can be large. This results in increased wall thickness and higher reliability.

The type of channel and its parameters are selected only after calculations have been carried out, and they must be performed by a specialist. Otherwise, problems may arise due to the wrong choice of thickness or other characteristics of the product, which means the reliability of the structure will decrease.

The classic U-shaped structure made of steel not only has greater resistance to bending, but also has good resistance to torsional deformation, so the scope of application of such products is very wide. The use of aluminum has further expanded the scope where these metal structures are used today.

Channel 16, the dimensions of which are ideal for those structures that experience light loads, is used no less often than its steel variety.

Aluminum structures are well suited for applications where it is necessary to contain elements in contact with the environment.

Aluminum itself differs favorably from steel in that it does not interact with air or water, therefore the reliability of the future structure does not depend on such random factors as bad weather or improper care of painted elements.

Aluminum channel

In general, an aluminum channel is much more profitable than a profile pipe of the same size, since it allows you to further reduce the weight of the future structure.

In conclusion, we note that one of the main advantages of most types of channels is the ability to construct metal structures without the use of welding.

This allows you to create collapsible structures that can be moved to another location in whole or in part. For example, this technology is used to create a variety of seasonal structures, temporary buildings or warehouses.

A channel, whose dimensions are proportional to its weight, is a modern building material that is in no hurry to give up its position to plastic or concrete.

Source: http://on-mirrors-edge.com/chto-takoe-shveller-i-dlya-chego-on-nuzhen/

Channel - what is it? Types, description and scope of application of channels

A channel is a very popular product made of metal today. Its main distinguishing property is its U-shaped cross-section. The thickness of the finished product can be from 0.4 to 1.5 cm, and the height of the walls can be 5-40 cm.

Thin flange products are manufactured by processing flexible strip using special profile mills. Channels made from non-ferrous metals are obtained after processing the workpiece by pressing and extrusion, and steel channels are obtained using the technology of hot rolling of a metal billet on section mills.

All varieties of this material are widely used in the construction industry.

Manufacturing of steel channel

A steel channel (GOST 8240-97) has a distinct difference from a conventional beam, which lies in the presence of a special U-shaped section. Such metal products are produced by hot rolling of blanks or using the technology of cold deformation of steel sheets. It is produced in the form of rolled steel 3ps/sp5 and rolled alloys 09g2s. Channels, depending on their shape, are divided into two types:

• parallel - the internal edges are located strictly parallel to each other;
• sloped—internal edges are placed at a slope.

Varieties

Today, there are other types of hot-rolled channels, for example, a special one for the carriage industry and the same for the automotive industry.

Bent steel channel is produced from low-alloy, hot-rolled, cold-rolled and carbon steel on bending machines. It is divided into two types: unequal and equal. Such rolled metal is used in cases where the structure being erected will be subject to enormous bending loads.

To produce low-alloy steel channels, low-alloy steel is used (as the name suggests). It is characterized by high resistance to various dynamic loads and large fluctuations in air temperature.

Channel: dimensions

The table below contains the characteristics of grade U channels (the edges are sloping).

The following table contains the characteristics of hot-rolled channels of grade P with parallel edges.

Legend:

• t – flange thickness;
• b – its width;
• h – height of the finished product;
• s – wall thickness.

Thus, a steel channel is a product designed to give the structures being built greater stability. Such rolled metal takes on the entire axial load and distributes it evenly over its surface. This ensures high rigidity and strength of the metal structure under bending loads.

Source: https://FB.ru/article/212894/shveller---eto-chto-takoe-vidyi-opisanie-i-sfera-primeneniya-shvellerov

Channel: application, advantages, production, material, marking and types

A channel is a U-shaped metal product. Its name is translated from German as “skirt”. The channel is widely used. It is used where it is necessary to give the structure additional stability and resistance to high loads. The channel is used as reinforcement for walls or roofs, and as concrete reinforcement. Without it, it is impossible to build a single industrial building or residential building.

Application area of ​​the channel

This metal product has a wide range of applications. The channel is mainly used in construction. It is used in the construction of frames of industrial and residential buildings, laying communications and for strengthening load-bearing structures.

The profile as an independent part is found in ceilings, building frames and ramps. It is also used in the construction of bridges, finishing works and reconstruction of residential and industrial buildings.

Without a channel it is impossible to imagine the construction of support columns and roof purlins.

This metal element, due to its shape, is able to give the structure additional rigidity and stability. The channel is capable of withstanding large axial loads and resisting bending loads. Today, various types of channels are produced, which are used in various designs. The scope of application of this product depends on its size and steel grade. Due to the high load-bearing capacity of the channel, it is used in almost all industries.

Important: in counteracting downward vertical loads, the U-shaped profile is second only to the I-beam.

Application:

• Architectural Construction: This product can be used to create various structures. But most often it is used to create floors and reinforce walls.
• Heavy engineering: as elements that must withstand significant loads. For example, beams on which cranes walk.
• In the automotive industry.
• In carriage building and shipbuilding.

Due to its high technical characteristics, hot-rolled profiles have found application in the machine tool industry. Having good strength, the channel can withstand vibration and heavy loads. It is used as an element of the frame and engine mounts.

Advantages

The economic benefit of operation is that the channel, which is light in weight, has high axial pressure and bending strength. This makes it possible to produce lightweight metal structures. The material lends itself well to machining and is easy to weld during installation. The product is easy to install and transport.

The use of a profile increases the service life of the structure due to the wear resistance of the material. Convenient when carrying out installation work at heights, since due to its low mass, large quantities of the product can be fed upward. Due to the accuracy of the dimensions, the channel can be used immediately without straightening or preliminary adjustment.

During production, the channel is exposed to thermal effects. During this, recrystallization occurs in the crystal lattice of the metal, then annealing, which reduces internal stress, normalization, etc. Annealing increases ductility and toughness and reduces hardness and strength, and this improves the product’s ductility to machining.

Due to its cross-sectional shape, the profile has good strength and rigidity and therefore can withstand heavy loads for a long time while maintaining its properties. It resists moisture, is resistant to mechanical damage and is not subject to deformation since there are no weak points in the material that are susceptible to destruction.

Method and material for production

The profile is made in accordance with the requirements, GOST 8240-97. Structural, high-carbon and low-carbon steel are used as the starting material for production. Steels with alloying elements are also used. The choice depends on the requirements for the technical characteristics of the channel.

During profile production, a rectangular workpiece is heated to the required temperature and fed to a special rolling mill. On this unit, the process of sequential compression of the material by rotating rollers occurs. Since during the manufacture of a channel the dimensions become smaller, the workpiece is taken with a reserve for production.

First, the central part of the product is processed and made into the shape of the Letter M. Then it is leveled and the resulting hot-rolled channel is sent to a machine for calibration. On it the profile is brought to precise dimensions. Despite the labor intensity, hot rolled products have high productivity and good quality.

Markings and types

According to the production method, channels can be divided into two large groups:

• Hot rolled (produced using hot rolling technology, manufactured according to GOST 19425-74).
• Bent (produced using cold rolling technology).

These two types of channels have different performance characteristics and scope of use. You can visually distinguish one species from another by differences in their angles. In a bent channel they are rounded.

In addition, all channels are divided into sizes regulated by regulatory documents. There are three categories of precision in their manufacture:

• "A" - highly accurate.
• "B" - increased.
• "B" is normal.

Channels can have different sizes. The choice of this product for a particular design is determined by its distance from one shelf to another. According to GOST, it can be 32–115 mm. This distance is indicated in nomenclature documents by a number. Which stands immediately after the element designation. And these products are also divided by length. It usually varies in the range of 4–12 meters. The height of the channel shelves can be from 5 to 40 cm.

Depending on the rolling, hot-rolled channels are divided into series:

• “P” - shelves are located parallel to each other.
• “U” - shelves with a slope.
• “L” - the shelves are arranged in parallel, but the product belongs to the light series.
• “C” is a special version of this product.

The most popular types of products of this type are:

• Type 10. A product with a wide range of applications, which is distinguished by high mechanical qualities and characteristics. Used in the construction of large industrial facilities.
• Type 14. The most popular type of channel used in construction. It is used where heavy reinforcement of load-bearing elements of buildings and structures is required. It has high performance characteristics and increased accuracy.
• Type 16. Used in the construction of industrial facilities. It has high strength and can cope with heavy loads.
• Type 20. Used in complex structures. Where high strength and reliability of the product are required. Strengthens bridge supports and is used to strengthen floors in multi-story buildings.

Advantages of hot rolled channel

The main advantage of this product is its shape. Thanks to this, it is used where high rigidity values ​​are needed. Advantages of this type of rolled metal:

• Ability to withstand heavy loads.
• Resistance to deformation.
• Resistance to mechanical damage.

But this metal product has another advantage - the channel is resistant to corrosion.

But there are also disadvantages. Hot-rolled channel is difficult to weld. Therefore, in prefabricated structures, where elements are connected by welding, a product produced by cold rolling is used.

Advantages of bent channel

The production of this type of rolled metal takes place on a special profile bending machine. Paired pressing rollers act on the sheet metal workpiece on both sides, giving it a U-shape. With the help of modern equipment, this process occurs automatically and has a number of advantages: speed, the ability to create a profile of any shape, etc.

Unlike hot-rolled channel, its bent version has low weight. This makes it possible to use this type of channel in lightweight metal structures. The low weight of this product reduces the time for its installation and reduces the complexity of this process.

Bent profile is used:

• In the construction of buildings.
• During the reconstruction of buildings.
• During major repairs.

Lightweight versions of bent profiles can be used to assemble greenhouse frames and erect temporary structures. The scope of use of this product is not only construction, but also carriage building, machine tool building, shipbuilding, automotive industry, etc. It can be used to produce products that have high load resistance, but are light in weight.

Storage and transportation

Channel-section metal products are stored on special platforms, tied with steel tape or wire. It is shipped by weight or linear meters. Products ready for shipment may have rust according to the standards specified in GOST. Transportation of channels is carried out in an open body, van or gondola car.

I-beam or channel?

The choice in favor of one or another rolled metal product is based on the scope of its application. In terms of strength, the I-beam is significantly superior to the channel. Shelves protruding from both sides better distribute weight and are able to withstand significant loads. When heavy loads are placed on the channel, forces arise that tend to twist it. Which cannot happen when using an I-beam.

When comparing these types of rolled metal of the same standard size, wall thickness and shelf dimensions, with a load acting perpendicular to their axis, the U-shaped profile will be stronger. This is due to its shape. The shelves located in one direction make it so that the center of gravity extends beyond its cross section and is shifted towards the ends. While in an I-beam it is located exactly in the middle.

It follows that the channel has better resistance to lateral loads, and the I-beam has better axial resistance.

Which profile should I choose?

It all depends on the design in which the product will be used. I-beams are often used as load-bearing structures. While channels are more versatile. Which makes their scope of use wider. They, unlike I-beams, can be used as elements of cars or sea vessels.

Channels, thanks to shelves protruding only from one side, can be used in various building structures. In fact, in some designs they can even be used as an alternative to I-beams. Whereas reverse replacement is not always advisable. Especially in lightweight structures.

Aluminum channel

Separately, it is necessary to say about the aluminum channel. This is a product that has a “traditional” profile, but is made of aluminum. This metal makes it possible to further reduce the weight of the channel and gives this product a field of application where structures must be lightweight.

U-shaped aluminum profile can be:

• Manufactured using hot pressing technology without hardening.
• Manufactured using hot pressing technology and hardening.
• Aged after hardening.
• Annealed.

The aluminum channel copes well with loads, is resistant to bending and resists torsional deformation. It can be used where there are no high loads. Unlike steel, aluminum has no contact with air or water. This means that it is not afraid of corrosion. Unlike an aluminum pipe, a channel made of this material can withstand the same loads, but significantly reduces the weight of the structure.

An aluminum analogue of a steel channel is used not only in construction, but also in finishing the facade of buildings. Therefore, in addition to its high characteristics, it must have an attractive appearance. And in order for the aluminum alloy not to lose its aesthetic qualities, it is coated with an anodic oxide film.

Conclusion

A channel is a metal product that has a huge range of uses. To select the required type of this product for your needs, you need to calculate the possible loads under which this structural element will be located. Calculation of complex structures should be performed only by professionals. Even one mistake can lead to serious consequences.

Source: https://SoproMats.ru/metalloprokat/shveller/