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Galvanized Steel Wire Strand

Galvanized steel wire strand can be supplied in single wire, three wire, seven wires , nineteen wires, thirty-seven wires. Its galvanized layer is bright and firm with strong corrosion-resistance, using hot dip galvanized vertical process, to ensure the thickness of zinc layer. As the core skeleton material of power cable, it directly serves the construction and renovation of power supply and power grid, and has the advantages of corrosion resistance, high strength, good elongation and high cost performance. Products are widely used in hanger, suspension, communication wire, overhead power line, cable steel core and fixed object tether, etc.
section structure: 3 wires, 7wires, 19wires, 37wires

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Standards

Galvanized wire strand is manufactured according to ASTM B498; ASTM A 475; BS 183 etc. The metallic zinc coatings applied by the galvanizing process are an effective way to resist corrosion in steel, is available in a Class A coating, Class B coating and Class C coating.
Class A coatings are smoother and however less corrosion resistant than heavy galvanized coatings and are often used in normal wire working applications such as cages, bucket handles, coat hangers and baskets.
Class B and Class C coatings have strong corrosion resistance and can be used in coastal areas with high salinity and humidity.
Diameter Range of Steel Wire: 1.57 -4.00 mm

Range of Zinc Coating :

Wire diameter	Minimum Coating Mass (g/m2)
Wire diameter	Class A	Class B	Class C
1.6 mm-1.90mm	210	420	630
1.90mm-2.30mm	220	440	660
2.30mm-2.70mm	230	460	690
2.70mm-3.10mm	240	480	720
3.10mm-3.50mm	260	520	780
3.50mm-3.90mm	270	540	810

Tensile Strength (Mpa):

Tensile strength is used to specify the breaking force of steel wire, can be divided into three levels.

Wire diameter	Stress at 1% extension (Mpa)
Wire diameter	Class A	Class B	Class C	Extra-High
1.6 mm-2.30 mm	1310	1240	1170	1560
2.3 mm-3.05 mm	1280	1210	1140	1560
3.05 mm-3.6 mm	1240	1170	1100	1560
3.6 mm-4.8 mm	1170	1100	1070	1560

Wire diameter	Tensile strength (Mpa)
Wire diameter	Class A	Class B	Class C	Extra-High
1.6 mm-2.30 mm	1450	1380	1310	1770

2.3 mm-3.05 mm	1410	1340	1280	1770

3.05 mm-3.6 mm	1410	1340	1280	1770

3.60mm-4.80mm	1380	1280	1240	1770

Wire diameter	extension (%)
Wire diameter	Class A	Class B	Class C
1.6 mm-2.30 mm	3	3	3
2.3 mm-3.05 mm	3.5	3	3
3.05 mm-3.6 mm	4	3	3
3.60mm-4.80mm	4	4	4

Chemical composition of steel

We have many kinds of steel raw material to choose from, and the steel material can be treated with lead hardening to achieve different strengths. The following table shows the chemical composition of steel .

Strength level	% C	% P	% Mn	% Si	%S
General	0.45~0.50	0.032	0.5 ~1.00	0.10~0.34	0.041
High	0.59~0.63	0.035	0.5 ~1.10	0.10~0.35	0.045
Extra-High	0.65~0.83	0.035	0.5 ~1.10	0.10~0.35	0.045

Quality Control

Our company has passed ISO 9001 and ISO/TS 16949 quality management system certification, all the raw materials and semi-finished products are tested and recorded. Every step from raw material to finished products can be traced.

Packing

All products adopt moisture-proof packing method suitable for long-distance sea transportation.

Product packing can be customized with special requirements.

Product packing are suitable for air, sea and land transportation.

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