Barbed wire 2.8 galvanized
Name: Wire
Type of wire: barbed
Diameter: 2.8 mm
Coating: galvanized
Standard: GOST 285
Product description
A type of lightweight fencing in the form of thick wire with sharp spikes located at equal distances from each other along the entire length.
- number of bases – one (single base); starting raw material – steel wire with a diameter of 2.8 mm
- spines (spikes) – steel, made of heat-untreated wire with a diameter of 2.0 mm, twisted around the base and cut at an acute angle
- The position of the spikes is mostly stationary. It is allowed to move the spines along the base within the distance between the protrusions on the surface of the base and to rotate the spines around the base at an angle of no more than 30°.
- the ends of the spikes are straight, sharp; point angle at ends 30°
- distance between pins is about 75 mm
Resistant to corrosion, withstands heat and cold. The period of operation is 20 – 25 years.
Installation
- can be laid on the ground
- installed along the upper edge of the fence, or in several rows, as an independent fence
Product Features
Sold in coils weighing 35 - 45 kilograms.
The number of meters in the bay is 400 – 500.
For goods sold by weight, the price in the order on the website may differ from the price in the invoice or invoice due to the deviation of the theoretical weight from the actual one.
The theoretical weight of one meter of rolled metal is established by regulatory and technical documentation, and the actual weight is always different for each batch of goods. These deviations are associated with uneven wall thickness of the product during manufacturing.
The actual weight value differs from the calculated value by up to ±10%.
The value of weight and cost non- weight units of measurement that are indicated on the website are for reference and are calculated using coefficients from the regulatory and technical documentation for the product.
The final cost of the order is calculated by the manager.
If you want to know the exact cost, wait until the manager processes your order. When processing an order, the manager receives more accurate information from the warehouse about the current actual weight of the shipment of goods.
The manager does not know when you plan to receive your order, so when you issue an invoice, he makes a calculation based on the maximum actual weight of the remaining inventory, so that you do not have a situation with a lack of money.
The final payment for the required footage of weighted goods will be made based on its actual weight.
The actual weight is determined by weighing the rolled metal on an electronic scale.
We always return all excess money transferred to the buyer at his request.
Please read the terms of cooperation
We deliver free of charge within the city:
- any order within 5 working days
- from 1 ton from 8:00 to 21:00 tomorrow
- from 3 tons from 8:00 to 17:00 tomorrow
Additional services:
- payment at the place of delivery in cash or by bank card
- unloading on site
- delivery at night and on weekends
- 50% discount on tariffs for orders less than 1 ton for delivery from 8:00 to 21:00
We are always happy to help and offer the most profitable option for receiving your order.
You can view the full list of delivery conditions in the “Delivery” section of the terms of cooperation.
- We work for you every day from 8:00 to 17:00 without a lunch break , except Saturday and Sunday, as well as public holidays
- when registering preliminary cargo preparation (this is a free service), you can receive your order after 17:00 or on a day off
- we have 2 warehouses in Omsk on both banks of the Irtysh: in the Amur at 22 Party Congress, 105 and in Stary Kirovsk, at Semirechenskaya, 99
- we can prepare the cargo in advance so that you receive it at a time convenient for you and without a queue
- if your order is completed from three or more sites, we will collect the entire order at one loading point
- We will be happy to load your order into a car, bicycle, Segway or other unsuitable transport, including covered
- we accept both cash and bank transfer
- Gazprombank and Sberbank ATMs are installed on the territory of the Ommet-Central warehouse, where you can withdraw money
- If you plan to pay for your order at the Ommet-Semirechensky warehouse, we ask you to withdraw cash in advance, because we cannot force banks to install an ATM there
- You can always return the product, provided that it remains in its salable condition, and if it is already cut, we will consider the return individually
This product is very often purchased with
Source: https://xn--80ajihiadw2acf5i.xn--p1ai/product/provoloka-kolyuchaya-2-8-ozink
Barbed wire GOST 285-69
Barbed wire is manufactured in accordance with GOST-285-69 and is a single-core corrugated base wire 2.8 mm thick on which spikes made of wire 2 mm thick are wound. Barbed wire is made from both galvanized and black wire. The wire is supplied in coils. Barbed wire GOST 285-69 is used for the construction of light barbed fences and canopy barriers.
Main parameters of wire GOST 285-69
| Diameter of corrugated base wire | 2.8 mm |
| Wire diameter of spikes | 2.0 mm |
| Number of spikes | 4 things. |
| Stud spacing | 75 mm |
| Bay weight | 35 kg. |
| Coil length of wire | 380 l.m |
| Coating | uncoated or hot zinc (80-110 microns) |
| GOST 285-69 | 380 | bleached | 35 |
| GOST 285-69 | 380 | galvanized | 35 |
| Type of packaging | bay |
| Number of coils on a pallet | 5 pieces. |
| Additional packaging (optional) | PE film |
| Loading methods | any |
Wire parameters GOST 285-69
Single-core corrugated barbed wire GOST 285-69 is manufactured galvanized or brightened and consists of a base wire with a diameter of 2.8 mm, the diameter of the spike wire is 2 mm, the number of wire spikes GOST 285-69 is 4 pieces, with a spacing of 75 mm. The quantity of GOST 285-69 wire in a coil is 380 m. The weight of a GOST 285-69 is 35 kg.
Wire GOST 285-69 is used for the construction of fence sections for pre-zone fencing.
Barbed wire GOST 285-69 was a successful invention at the end of the 19th century and was used in creating fences for cattle. This agricultural barbed wire fence GOST 285-69 gave a strong impetus to livestock farming. Further, barbed wire GOST 285-69 began to be used for fencing private land plots, enterprise territories, sensitive facilities, and state borders.
Source: http://perimeter-pro.ru/products/kolyuchaya-provoloka/gost-285-69
Calculation of the weight of the binding wire
Calculating the weight of wire may mainly be required in two situations: when organizing the delivery of a large batch or calculating the total weight of a metal structure, and since most suppliers offer it by the meter, you have to do this yourself.
Features of knitting wire
To link individual structural parts or transport materials, smooth wire with high strength and flexibility is used. The most suitable are products made from low-carbon steel grades, manufactured in accordance with GOST 3282 “Low-carbon steel wire for general purposes. Technical conditions".
Since without heat treatment the wire has low ductility and breaks easily when bent, annealed varieties are almost always used for tying.
Annealing can be:
- Light - produced in an inert gas environment without the presence of oxygen. Such products are easily distinguished by their light surface without traces of scale.
- Black - heat treatment is carried out in air, so the surface of the metal when heated is covered with a layer of oxides - black scale.
The presence or absence of “blackness” on the surface does not affect the strength or ductility, therefore it does not play a special role when tying.
However, during construction it may be necessary to produce welded meshes, which are also sometimes used as reinforcing structural elements. In this case, scale will interfere with quality welding.
In order not to waste time on its partial or complete removal when it is necessary to use products not only for binding, but also in welding work, it makes sense to purchase light-annealed wire.
For additional protection required for outdoor installations, products can also be protected with a zinc coating. In this case, zinc grades Ts1 and Ts2 are used, and galvanic or hot-dip galvanizing is used, respectively. A polymer coating of various colors can also be applied over the zinc layer.
Weight calculation
Wire is always supplied in coils or coils. Accordingly, to determine the weight you need to know 3 main parameters:
- length,
- diameter,
- weight 1 meter.
The weight of a meter of wire can be easily calculated based on its diameter. To do this, use the formula m= ρ*π*(d2/4), where:
- ρ – conditional density of steel; ρ=7500 kg/m3,
- π=3.14,
- d – diameter in meters.
The presence of coverage is not taken into account in the calculations.
Most often, steel wire with a diameter of 0.6-7 mm is used for tying. For your convenience, we have calculated the mass of a meter for all main sizes and presented it in the table.
You can make calculations for other sizes yourself or use an online calculator when ordering knitting wire.
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Advantages of working with us An order for any metal will be delivered on the day of the order if your order is received before 12:00 Deferred payment to our regular customers We assemble the entire created order into one machine Quality certificates for all our metal We provide professional advice on selection Metal shipment 24/7 (24 hours a day, seven days a week) We will carry out rough processing, cutting to size, cutting metal, galvanizing pipes, meshes. We will unwind rolls, unwind cold and cold rolls and OC rolls, longitudinal and transverse cutting. We will produce, pipe blanks up to 2 meters, plates, gussets. We will do it, non-standard operations for bending channels and other rolled products in a short time Wide range available in stock Any type of product can be purchased from us starting from one piece Fast delivery 7 days a week throughout Russia Entry passes to the Third Transport Ring and the Garden Ring
Source: https://stvybor.ru/staty/251-raschet-vesa-vyazalnoj-provoloki/
Egoza barbed wire. Helpful information
Fidget barbed wire is a galvanized strip with double-edged, symmetrically arranged spiked blades, compressed around a steel wire.
In the production of Egoza barbed wire (KP Egoza), Yug-Proizvodstvo LLC uses galvanized tape GOST 14918-80 t. 0.5-0.55 mm.
Steel wire is used in accordance with GOST RF 7372-79 (galvanized) 2.5 mm.
At the request of the client, it is possible to use in the production of other types of wire GOST 3282-74, GOST 9385-75.
2.1. LLC "Yug-Proizvodstvo" produces any diameter of fidget barbed wire
The diameter of the spiral is selected individually for each object.
The diameter can be 500 mm, 600 mm, 700 mm, 800 mm, 900 mm, 950 mm.
For example, we recommend:
- on personal plots, for personal purposes, use a diameter of 500 mm.
- for the protection of production bases, construction sites, diameter 950 mm.
According to GOST of the Russian Federation, the size of the coil should be 10 p/m. At the request of the client, we will produce any length of the bay (5 m, 7.5 m, 10 m, 15 m, 20 m).
The weight of one coil depends on the diameter and number of linear meters in the coil. For example:
- coil weight diameter 500 mm. L10/ 62 turns is 8 kg.,
- coil weight diameter 900mm. L20/100 turns is 23 kg.
2.2. When purchasing fidget barbed wire, it is necessary to take into account the stretch length of the coil
The most important condition is that the distance between the turns should be no more than 200-250 mm.
If the coil is overstretched, this leads to an increase in the distance between the turns, and therefore the original diameter of the product is lost, the Egoza KP product is distorted, and the effectiveness of the barrier effect is reduced.
According to GOST of the Russian Federation, the stretching length of the Egoza coil is 10 linear meters, 62 turns (6.2 turns per 1 p/m).
It is permissible to use 50 or 40 turns, but this must be taken into account when installing fidget barbed wire.
2.3. Yug-Proizvodstvo LLC produces fidget wire, fastened along the diameter in three and five places
Five-point twisting allows you to more effectively maintain the shape of the razor fence.
Rabitz. History of invention.
Back in 1878, German inventor Karl Rabitz invented a metal mesh structural material, which he patented in his Patent No. 3789 of 1878. He also invented a machine for the production of metal mesh, which Karl called “Chain-link” in his patent.
It is currently believed that the earliest official patent for the production of mesh netting is patent No. 124,286 dated March 5, 1872, issued in the name of Peters.
Based on such an early mention of chain-link mesh, we can conclude that the need for metal fencing has existed for a long time and was in great demand.
Rabitz. Manufacturing technology.
The chain-link mesh is made on a special semi-automatic mesh weaving machine. For the manufacture of chain-link mesh, low-carbon steel wire is used; it is possible to use galvanized wire and polymer-coated wire.
The chain-link mesh comes in two types:
— woven rhombic mesh (acute angle of the rhombus 60 degrees)
— square woven mesh.
Chain-link mesh is supplied in rolls 10 meters long, height from 1.5 meters to 2 meters.
The end of the spiral in the roll is bent.
Chain-link mesh is supplied in regular rolls, the mesh fabric is wound in the usual way (for installation this is the most convenient way).
Wide range of applications for chain-link mesh:
— creating fencing for gardens, vegetable gardens, dachas;
— for sifting materials;
— for construction work;
— for thermal insulation work;
This makes it in demand today not only among individuals, but also many organizations use this type of fencing to protect their territory, production bases, and construction sites.
How to check the strength of a chain-link mesh?
The strength of the chain-link mesh depends on:
- depending on the cell size
- on the diameter of the wire.
The most durable mesh has a larger wire diameter and smaller cells.
Today, Yug-Proizvodstvo LLC, being a direct manufacturer, has the opportunity to offer various options for cell sizes and roll heights, depending on the customer’s wishes.
3. Capacity of the Egoza gearbox in a vehicle during transportation
No. Vehicle Egoza⌀500 Egoza⌀600 Egoza⌀900| 1 | Container 20 tons | 6000 m.p. | 6000 m.p. | 5000 m.p. |
| 2 | Container 5 tons | 2000 m.p. | 2000 m.p. | 1600 m.p. |
| 3 | Container 3 tons | 1000 m.p. | 600 m.p. | 400 m.p. |
| 4 | 20 foot sea container | 6000 m.p. | 6000 m.p. | 5000 m.p. |
| 5 | Gondola car 64 tons | 20 tons | 16 Tons | 12 tons |
| 6 | Kamaz length 12.5 m | 7000 m.p. | 6200 m.p. | 3600 m.p. |
| 7 | Kamaz open 9 m | 5000 m.p. | 4500 m.p. | 2000 m.p. |
| 8 | Kamaz open 6 m | 3000 m.p. | 2500 m.p. | 1500 m.p. |
| 9 | Kamaz with trailer | 6000 m.p. | 5500 m.p. | 5000 m.p. |
| 10 | Kamaz 31 m3 | 6000 m.p. | 5500 m.p. | 5000 m.p. |
| 11 | SuperMAZ 14 m | 6500 m.p. | 6000 m.p. | 4000 m.p. |
| 12 | Gas - booth 53 | 2000-2500m.p. | 1500-2000m.p. | 1500 m.p. |
| 13 | "Bychok" 16 m3 | 2000 m.p. | 1300 m.p. | 1000 m.p. |
| 14 | Gazelle tented | 1000 m.p. | 900 m.p. | 700 m.p. |
Source: http://xn----7sbicgn2c7h.xn--p1ai/egoza-info
Weight of galvanized wire 1, 2, 3, 4, 5, 6, 8 mm
Galvanized wire is a type of construction wire that is produced by hot drawing followed by galvanizing the surfaces to increase anti-corrosion protection.
The main advantages are the low cost of its production and unique technical characteristics. Along with the high strength and stability of the structural steel from which this type of rolled metal is produced, the wire also:
- inert to moisture and corrosion;
- resistant to climatic changes and frost;
- insensitive to chemical media;
- has high elasticity and plasticity.
With such characteristics, it is widely used for braiding electrical cables, making mesh, barbed mesh, ground loops, making nails, screws, screws and household products.
Weight of 1 meter of galvanized wire, dimensions and weight of a coil of steel wire
The table shows theoretical data. Due to the fact that according to GOST standards small deviations (+ or -) in the diameter of the wire are allowed, the weight is 1 linear meter. may also change slightly.
| f, mm. | Hank weight, kg. | External f of the skein, mm. | Internal f of the skein, mm. | 1m/linear kg, not ots. | Weight 1m/linear. kg, gal. | Coil weight, kg. |
| 0,5 | 15 — 20 | 350-400 | 150-200 | 0,0015 | ||
| 0,6 | 20 — 25 | 400 | 200 | 0,0021 | 15-20 | |
| 0,7 | 25 — 30 | 400 | 150-200 | |||
| 0,8 | 30 — 70 | 350-500 | 150-200 | 0,004 | 22-30 | |
| 0,9 | 80 — 100 | 350-500 | 200 | 0,005 | 23-30 | |
| 1,0 | 80 — 130 | 500 | 250-450 | 0,006 | 0,0058 | 57-100 |
| 1,2 | 80 — 130 | 450-800 | 400-450 | 0,009 | 0,0094 | 50-120 |
| 1,25 | 120-160 | 750-800 | 400-450 | 0,0099 | 70-90 | |
| 1,4 | 120-160 | 750-800 | 400-450 | 0,012 | 0,0125 | 150-180 |
| 1,6 | 120-180 | 750-800 | 400-450 | 0,015 | 100-170 | |
| 1,8 | 120-180 | 800 | 400 | 0,019 | 0,0198 | 89-160 |
| 2,0 | 150-180 | 800 | 400 | 0,024 | 0,025 | 100-150 |
| 2,1 | 150-180 | 800 | 400 | 0,028 | ||
| 2,4 | 150-180 | 800 | 400 | 0,0312 | ||
| 2,5 | 150-180 | 800 | 400 | 0,039 | 0,405 | 100-150 |
| 2,8 | 150-180 | 800 | 400 | 0,0447 | ||
| 3,0 | 150-180 | 800 | 400 | 0,055 | 0,0572 | 130-180 |
| 3,25 | 150-180 | 800 | 400 | 0,0574 | ||
| 3,5 | 150-180 | 800 | 400 | 0,075 | 0,078 | |
| 4,0 | 150-180 | 800 | 400 | 0,099 | 0,1029 | 150-200 |
| 4,5 | 150-180 | 800 | 400 | 0,135 | ||
| 5,0 | 150-180 | 800 | 400 | 0,148 | 0,1601 | 150-220 |
| 6,0 | 150-200 | 750-900 | 450-500 | 0,220 | 0,2308 | 160-250 |
| 8,0 | 900-1200 | 1000 | 500 |
Standard weight values for galvanized wire:
Grid of weight values for one linear meter of OP made of round profile carbon steel, produced in accordance with GOST 1526-81 :
- 0.3 (mm) – 0.003 (kg), 0.5 (mm) – 0.005 (kg), 0.8 (mm) – 0.008 (kg), 1 (mm) – 0.01 (kg), 2 (mm) – 0.02 (kg).
Source: https://DomStrouSam.ru/ves-otsinkovanoy-provoloki-1-2-3-4-5-6-8-mm-na-1-metr/
Barbed wire GOST 285-69
The Granza fencing plant offers to purchase GOST 285-69 barbed wire for fencing systems at a price of 139 rubles per kilogram.
The price per linear meter is determined based on the order parameters.
Barbed wire as a fencing barrier is widely used in organizations and enterprises with enhanced security.
Fence projects
Types of barbed wire
There are 2 types of barbed wire:
- AKL – reinforced razor tape. Galvanized tape 0.5 mm thick (±0.05), with symmetrical double-edged spikes, is crimped around galvanized steel rope wire. Tooth pitch 35 mm.
- ASKL – reinforced twisted razor tape. Galvanized tape 0.5 mm (±0.05) thick, with symmetrical double-edged spikes, is twisted around galvanized steel rope wire. Tooth pitch 35 mm.
AKL and ASKL are used for the production of EGOZA barbed wire, as well as for the production of a flat safety barrier (FBB) and a spiral safety barrier (SBB).
Single core barbed wire
Type Name Parameters Price, rubles with VAT per kg*| Barbed wire KTs 1 kg | GOST 285-69, galvanized, 1 kg = 11 meters +/- 10% | 139 |
Spiral Safety Barrier
Type Name Parameters Price, rubles including VAT*| SBB AKL 500/40/3 | GOST 9850-72, spiral ø 500 mm, 40 turns, fenced perimeter 8-10 m, fastening with 3 rivets | Request full price list Calculate cost Request conditions for dealer |
| SBB AKL 500/62/5 | GOST 9850-72, spiral ø 500 mm, 62 turns, fenced perimeter 10 m, fastening with 5 rivets | |
| SBB AKL 600/40/3 | GOST 9850-72, spiral ø 600 mm, 40 turns, fenced perimeter 8-10 m, fastening with 3 rivets | |
| SBB AKL 600/62/5 | GOST 9850-72, spiral ø 600 mm, 62 turns, fenced perimeter 10 m, fastening with 5 rivets |
Flat safety barrier
Type Name Parameters Price, rubles including VAT*| PBB AKL 500/10 | GOST 9850-72, spiral ø 500 mm, fenced perimeter 10 m | Request full price list Calculate cost Request conditions for dealer |
| PBB AKL 600/10 | GOST 9850-72, spiral ø 600 mm, fenced perimeter 10 m |
Accessories for SBB/PBB
Type Name Parameters Price, rubles including VAT*| Tension string 1 meter | ø 2.5 mm, galvanized, GOST 9850-72 | 7,5 |
| Mounting bracket 1 pc. | 50x10x1.2 mm, galvanized | 3,5 |
Materials for production
The following materials are used in the production of barbed wire:
- galvanized steel strip GOST R 52246-04;
- galvanized wire without hot water, GOST 9850-72 or GOST 3282-74;
- galvanized metal for fastening brackets.
Source: https://samara.granza.su/produktsiya/kolyuchaya-provoloka.html
Barbed wire: advice on selection and application features. Basic rules for installing barbed wire
To effectively and reliably protect private property you need a fence. Barbed wire works well for this. Despite its light weight and simple design, it does a good job of protecting the territory from outsiders.
Design features, application
A thin strip (metal thread) with spikes along its entire length - this is the design of barbed wire. Simple and unpretentious. But very effective!
France is considered the birthplace of the “thorn”, although it gained fame in America thanks to one farmer named Henry. He used it as a fence, which interested the others.
The barbed wire fence was reliable, had high protective properties at a fairly low price. This interested many farmers. There was “mad demand” for such fencing.
The first company that seriously began selling “thorns” was able to sell 270 tons of them!
A lot of time has passed since then. Razor fencing is still in demand and is used to protect:
- Private property (territory);
- Military bases;
- Special sports grounds;
- Strategically important objects;
- Enterprises;
- Facilities launched into construction;
- Areas where special dog training takes place;
- Various prison colonies;
- Various private pastures.
Peculiarities
A fence using barbed wire has a number of advantages:
- The territory is under reliable protection;
- Simplicity, ease of installation;
- Affordable cost of all elements included in the design and installation of the fence.
Varieties
According to the manufacturing method, the “thorn” is divided into:
Galvanized steel wire with spikes along its entire length. Its thickness is 2.8 mm. It is the simplest protective structure for protecting your property on a farm or country house;
Reinforced (corrugated) tape. It looks like a thin strip of steel with razor-sharp edges. It has 2 varieties - AKL (straight) and ASKL (twisted).
Used at strategic and industrial sites. More reliable than the first “thorn” option, as it is a difficult barrier to pass.
Domestic manufacturers produce various versions of the “thorn” for all household, industrial, strategic and other needs. The most popular and well-known products are under two brands:
Reinforced barbed wire
It has several variations that increase the degree of protection of the fence from penetration into the protected area. Manufactured in the following form:
- Flat steel corrugated tape with sharp edges;
- Chain-link type meshes (the same diamond-shaped cells);
- In the form of a Bruno spiral (turns of different diameters);
- Spikes that are easily installed on the main fence.
Fencing
You can install barbed wire on:
- Pillars. It is enough to secure them well, stretch a “thorn” of a suitable type between them;
- An ordinary fence (fence). It is installed on top, mounted on special brackets (gitter mesh). Usually such a fence is made of stone, quite massive and high, and the barbed wire itself is laid in the form of a spiral.
Installation of the “thorn”
To protect your dacha, there are 2 options for installing a protective fence:
- On top of or on a regular fence;
- Make a continuous spiked (barbed) fence.
For this we need:
- Barbed wire (preferably reinforced);
- Mounting brackets;
- Electric welding machine;
- Electrodes;
- Hardware (staples);
- Pliers;
- String;
- Protective clothing;
- Mittens.
The brackets are welded to the posts. The barbed wire is stretched and secured with hardware. To prevent it from sagging, the string is stretched. A “thorn” is evenly distributed and secured on top of it.
To avoid scratches and cuts, perform all installation of the fence with gloves on and tight, tear-resistant workwear.
To make a continuous fence made of barbed wire (which can often be seen in the photo), pillars are dug in at a distance of at least 2 meters from each other. To increase stability, it is better to concrete them or make supports.
To tighten and fix the “thorns”, “eyes” are welded to the posts along the entire length. Their pitch is at least 100 mm. The barbed wire is secured to the “eyes” using hardware (staples).
To increase the protective functions of the fence, voltage can be applied to it. At the same time, you must remember to post a sign warning about this!
Photo of barbed wire
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Source: https://stroimaterials.ru/kolyuchaya-provoloka/
Single core corrugated barbed wire GOST 285-69
| Name | Unit change | bases, mm | spike, mm | Length, mpog. | Coil weight, kg. |
| Barbed wire KTs-1 in coils | kg. | 2,8 | 2 | 420 | 35 |
INTERSTATE STANDARD
| SINGLE BAIN CORRUGATED Specifications Barbed monobasic fluted wire. Specifications | GOST |
Date of introduction 07/01/70
This standard applies to barbed wire consisting of one corrugated strand (base) with spikes located on it at equal distances from each other.
1. MAIN PARAMETERS AND DIMENSIONS
1.1. The wire is made according to the type of surface:
without coating - K;
galvanized - CC (classes 1, 2, 3 and 4);
galvanized passivated - KCP;
by manufacturing accuracy:
increased accuracy - A;
normal accuracy.
(Changed edition, Amendment No. 2).
1.2. The design, main dimensions and maximum deviations according to them, depending on the components of the barbed wire, must correspond to those indicated in the drawing and in the table. 1.
Angles α, β, γ must be at least 30°.
Dimensions should be:
a - not less than 2.8 mm;
b - not less than 2.3 mm;
h - not less than 17 mm.
Examples of symbols
Barbed wire, uncoated, normal precision:
Wire to GOST 285-69
The same, galvanized 1st class, increased accuracy:
Wire KTs-1A GOST 285-69
The same, galvanized 1st class, passivated:
Table 1
mm
| Components of barbed wire | The diameter of the wire | Maximum diameter deviation | |||
| for uncoated wire, galvanized 1, 2 classes and galvanized 1, 2 classes passivated | for galvanized wire 3, 4 classes and galvanized 3, 4 classes passivated | ||||
| increased accuracy | normal accuracy | increased accuracy | normal accuracy | ||
| The basis | 2,8 | ±0,06 | ±0,10 | ±0,08 | +0,15 -0,10 |
| Thorn | 2,0 | ±0,05 | -0,12 | ±0,05 | +0,04 -0,12 |
(Changed edition, Amendment No. 1, 2).
2. TECHNICAL REQUIREMENTS
2.1. Barbed wire must be manufactured in accordance with the requirements of this standard according to technological regulations approved in the prescribed manner.
The wire for the base and spikes of barbed wire must be made from wire rod. It is allowed to manufacture wire from steel grade 08kp according to GOST 1050.
2.2. The base of the barbed wire is made from heat-treated wire, which must have a temporary tensile strength of at least 350 N/mm 2 (36 kgf/mm 2 ) and withstand at least five 180° bends without destruction.
2.3. Barbed wire spikes are made from thermally untreated wire with a tensile strength of no more than 1180 N/mm 2 (120 kgf/mm 2 ).
2.1-2.3. (Changed edition, Amendment No. 2).
2.4. The ends of the tenons must be straight and sharp (the angle of the point must correspond to that indicated on the drawing). No more than one spike per meter of barbed wire is allowed to be blunted or bent.
2.5. The spikes should sit motionless on the base. It is allowed to rotate the spikes around the base at an angle of no more than 30° and move the spikes along the base within the distance between the protrusions of the base.
2.6. It is allowed to omit spikes, as well as the presence of spikes that do not meet the requirements of clause 2.5, in sections no longer than 0.5 m, provided that the total length of such sections in the skein does not exceed 4 m and the distance between them is at least 5 m.
2.7. Spots, holes, cracks, delaminations and rust are not allowed on the surface of the uncoated wire base.
Longitudinal and transverse marks are allowed on the surface of uncoated wire spikes.
(Changed edition, Amendment No. 2).
2.8. (Deleted, Amendment No. 2).
2.9. Passivated wire must be covered with a passive film. The color of the passive film is from light yellow to gray-yellow.
(Changed edition, Amendment No. 1).
2.10. The zinc coating on the wire intended for the base must be continuous. Local influxes of zinc are allowed.
The zinc coating on the wire intended for spikes must be continuous, durable and must not crack or peel when the wire is spirally wound in five turns onto a cylindrical core equal to a diameter of 2.75 mm for galvanized wire of classes 1 and 2 and equal to 4 times the diameter of the wound wire. wire for galvanized wire of classes 3 and 4.
The presence of surface dusty peeling of the zinc coating on wound samples is allowed.
(Changed edition, Amendment No. 2).
2.11. The cut edges of the tenons remain ungalvanized. Peeling of the zinc coating is allowed at a distance of 5 mm from the base of the tenon cut.
2.12. (Deleted, Amendment No. 2).
2.13. The surface density of zinc, the number of dives and the duration of each dive must correspond to those indicated in the table. 2.
table 2
| Components of barbed wire | 1 class | 2nd grade | 3rd grade | 4th grade | ||||
| surface density of zinc, g/m 2, not less | Number of dives lasting 60 s | surface density of zinc, g/m 2, not less | Number of dives lasting 60 s | surface density of zinc, g/m 2, not less | Number of dives lasting 60 s | surface density of zinc, g/m 2, not less | Number of dives lasting 60 s | |
| The basis | 80 | 2 | 114 | 2,5 | 175 | 4 | 260 | 5 |
| Thorn | 60 | 1 | 85 | 2 | 147 | 3 | 240 | 4 |
Note. Wire of coating classes 3 and 4 is manufactured according to customer requirements.
(Changed edition, Amendment No. 2).
2.14. The wire must be produced in coils weighing (35±2) kg with an outer diameter of the coil no more than 600 mm, and a height of no more than 250 mm. The internal diameter of the wire coil should be from 100 to 140 mm. The taper of the skein hole is allowed within the same limits.
Note. The length of wire in a coil weighing 35 kg is approximately 400 m.
(Changed edition, Amendment No. 1).
2.15. No more than two connections of the barbed wire base are allowed in a coil. The ends of the segments must be connected in the form of loops entering one another. The loops must be secured by firmly winding at least four turns of each bent end of the loop around the base.
2.16. (Deleted, Amendment No. 2).
3a. ACCEPTANCE RULES
3a.1. Wire is accepted in batches. The batch must consist of one type of wire and be accompanied by a quality document containing:
trademark or name and trademark of the manufacturer;
wire symbol;
results of tests performed;
number of skeins in the batch;
net weight of the batch;
batch number.
3a.2. The quality of the surface, dimensions, fastening of the tenons, and the color of the passive film are checked on each coil of wire.
3a.3. To check the mechanical properties and quality of the zinc coating of the wire intended for the manufacture of the base and spikes, 1% of the coils, but not less than five coils, are selected from the batch.
3a.4. If unsatisfactory test results are obtained for at least one of the indicators, repeated tests are carried out on a double sample.
Source: http://m-metiz.ru/provolka/provoloka-gost-285-69.html
