1Ts · 2Ts · Ø0.5–6.0 · GOST 3282 · ASTM A641
Galvanized wire
Low-carbon wire 0.5–6 mm with zinc coating for outdoor work and fencing
Mesh 20–60 · Ø1.4–3.0 · black · galvanized · GOST 5336
Chain-link mesh
Single-woven mesh with 20–60 mm openings from black and galvanized wire in rolls
GOST 5336-80GOST 3282-74ASTM A392EN 10223-6St2kpSt3psQ195Q235
Parameters
| Parameters | |
|---|---|
| Opening | 20, 25, 35, 45, 50, 60 mm |
| Wire diameter | 1.4–3.0 mm |
| Roll width | 1.0–2.0 m |
| Roll length | 10 m; other to specification |
| Surface | black, galvanized 1Ts or 2Ts |
| Opening shape | square, diamond to specification |
Sizes and weight
| Opening, mm | Wire Ø, mm | Roll width, m | Roll length, m |
|---|---|---|---|
| 20×20 | 1.4–1.8 | 1.0–2.0 | 10 |
| 25×25 | 1.6–2.0 | 1.0–2.0 | 10 |
| 35×35 | 1.6–2.5 | 1.0–2.0 | 10 |
| 45×45 | 1.6–2.5 | 1.0–2.0 | 10 |
| 50×50 | 1.6–3.0 | 1.0–2.0 | 10 |
| 60×60 | 2.0–3.0 | 1.0–2.0 | 10 |
Description
Chain-link is single-woven steel mesh to GOST 5336-80: 1.4–3.0 mm wire to GOST 3282 is wound into flat spirals that are woven into one another without welding, and the spiral ends are bent over or twisted. The opening is square or rhombic; for fencing, square openings of 20–60 mm are used. Chinese mills weave it on automatic machines from Q195–Q235 wire, black or galvanized, and for export to ASTM A392 and EN 10223-6.
Black chain-link is used for temporary fencing, render reinforcement and wrapping thermal insulation, where the service life is limited or the mesh is covered with mortar. Galvanized mesh works outdoors: the zinc weight per m² is set by the coating class to GOST 3282 or EN 10244-2 and stated in the specification. The smaller the opening and the larger the wire diameter, the heavier and stiffer the fabric; the roll weight is stated by the mill in the certificate.
During inspection at the mill the bureau measures the wire diameter with a micrometer on spirals from different rolls, the opening with callipers, the roll width and length with a tape, and checks the bending of spiral ends and the absence of breaks in the weave. For galvanized mesh the zinc weight is checked by the gravimetric method on wire samples. The mill test certificate (MTC) is checked against the wire heat, diameter and coating class; the tag on each roll, the tying and the packaging protecting the coating in transit are checked.
Applications
- fencing of plots, construction sites and warehouse areas
- enclosures, cages and pens on agricultural farms
- render reinforcement and wrapping of pipe insulation
- protective mesh on slopes and in mine workings
- screening bulk materials under light loads
Packing and shipment
Rolls tied with wire in three places, ends covered with film or paper, galvanized mesh additionally wrapped in film; roll weight is agreed in the specification. A mill tag on each roll with opening, wire diameter, coating and dimensions.
Grade equivalents
| GOST | GB (China) | ASTM | EN | Note |
|---|---|---|---|---|
| St1kp (GOST 380) | Q195 | AISI 1006 | C4D (EN 10016-2) | Nearest equivalent by carbon content; wire rod steel for soft tying wire |
| St2kp, St3kp (GOST 380) | Q215, Q235 | AISI 1008 | C7D (EN 10016-2) | Nearest equivalent; for galvanized wire and chain-link mesh. Q235 is stiffer than St2kp; the grade is fixed in the specification |
| O wire (annealed, GOST 3282) | 退火钢丝 (GB/T 343) | ASTM A853 annealed | EN 10218-2 | Equivalence by delivery condition, not by steel grade: EN 10218-2 sets only diameter tolerances |
| 1Ts, 2Ts (GOST 3282) | 热镀锌 / 电镀锌 (GB/T 343) | ASTM A641 Class 1, Class 3 | EN 10244-2 class A–D | Classes are defined by zinc weight per m² and do not match directly; the specification states the coating weight in g/m² |
| VR-1 (GOST 6727) | CRB550 (GB/T 13788) | ASTM A1064 D-wire | B500A (EN 10080) | Nearest equivalent: VR-1 is cold-drawn with indentations, CRB550 is cold-rolled ribbed; strength is close, the profile differs |
| A500C (GOST 34028) | HRB400E, HRB500E | Grade 60 (ASTM A615) | B500B (EN 10080) | Nearest equivalent by yield strength is HRB500E (500 N/mm²); HRB400E is lower (400 N/mm²); for reinforcing mesh the specification states the class to GOST 34028 and the grade to GB/T 1499.2 |
Equivalents are the closest match, not identical: chemistry and tolerances differ between standards. The exact grade and standard are written into the contract.
Related items
VR-1 · Ø3–6 · 50×50–200×200 · GOST 8478 · GOST 23279
Welded masonry and road mesh
Mesh of 3–6 mm cold-drawn wire with 50–200 mm openings in sheets and rolls
Buyer questions
How to read a mill test certificate for wire and mesh
The mill test certificate (MTC) states the standard, steel grade, wire rod heat number, chemical composition, diameter, tensile strength, elongation and number of reverse bends; for galvanized wire, the zinc weight per m². The bureau checks the heat number against the tag on the coil or mesh bundle and against the marking on the packaging: a certificate without a matching heat is not accepted.
How tying wire differs from galvanized wire and which to choose
Tying wire is annealed (O), soft, bends by hand and does not spring back; it is used for tying reinforcement cages and stays inside the concrete, where corrosion is not critical. Galvanized wire is usually unannealed, stiffer, with a zinc coating of class 1Ts or 2Ts; it works outdoors: fencing, guy wires, fixing mesh. Galvanized wire is not needed for tying cages, and black wire is not suitable for outdoor use.
How the tonnage of wire and mesh is calculated
Wire is calculated by weight: the weight per linear metre equals 0.006165·d², where d is the diameter in millimetres; the length per coil and per tonne follows from this. Welded mesh is calculated by weight per square metre: twice the number of wires per metre multiplied by the weight per metre of wire, plus the overhangs at the sheet edges. Chain-link mesh is counted in rolls of a given width and length; the roll weight is stated in the mill certificate.
What is checked during inspection at the mill
Wire diameter with a micrometer in two perpendicular directions on several coils of the batch, ovality, absence of scale and cracks; for galvanized wire, zinc weight by the gravimetric method and coating adhesion by wrapping around a mandrel. For welded mesh: wire diameter, mesh opening, sheet dimensions, shear strength of weld joints, number of unwelded joints. The certificate is checked against the heat, along with marking, tag and packaging; an inspection report with photographs is drawn up.
How a batch is formed and whether there is a minimum quantity
The batch is sized to your quantity; send a specification with diameters, mesh openings, sheet or roll dimensions and coating requirements. Wire and mesh of different sizes are combined in one container so that the load is complete; the weight of coil, roll and bundle is agreed with the mill when the order is placed.
Price request
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Steel pricing depends on grade, size, tonnage and delivery terms on the day of contract. A number on the page would be wrong by the time you read it.
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