Description
Our galvanized stranded wires provide a combination of superior properties compared to conventional six strand ropes. With compacted structure and smooth face, this 1*7 galvanized stranded wire provides enhanced durability and resistance to abrasion and crushing, and improves the service life.
Construction & Diameter: 1*7/4.8-12.7 mm
Features
1. The galvanized stranded wire offers a smooth and polished surface.
2. It offers excellent antirust performance.
3. It is adhesive and flexible.
Application
Our 1*7 galvanized stranded wire can be used as messenger wires, guy wires, core wires or strength members, earth wires/ground wires, barrier cables, structure cables, messenger wires for optical fiber cable, etc.
As a professional 1*7 galvanized stranded wire manufacturer and supplier based in China, We also offers1*3, 1*19 galvanized stranded wire, 12.70mm PC strand, 2.0mm and 2.64mm galvanized steel wire, among others.
EN 50189 Standard
|
Table 1. Initial Settings for Determining Stress 1% Extension |
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|
Nominal Wire Diameter, mm |
Initial Stress, N/mm2 |
Initial setting of extensometer for a gauge length of 250mm2 |
|
|
1.24 |
2.25 |
100 |
0.125 |
|
2.25 |
3 |
200 |
0.25 |
|
3 |
4.75 |
300 |
0.375 |
|
4.75 |
5.5 |
400 |
0.5 |
|
For other gauge lengths, multiply the initial setting by the gauge length in mm divided by 250. |
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|
Table 2. Zinc Coating Requirements |
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|
Nominal Wire Diameter, mm |
Class A |
Class B |
Class C |
Class D |
Class E |
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|
Over |
Up to and incl. |
Min. mass of Zn g/m2 |
Min. no. of one minute dips |
Min. mass of Zn g/m2 |
Min. no. of one minute dips |
Min. mass of Zn g/m2 |
Min. no. of one minute dips |
Min. mass of Zn g/m2 |
Min. no. of one minute dips |
Min. mass of Zn g/m2 |
Min. no. of one minute dips |
|
1.24 |
1.5 |
185 |
2 |
370 |
3.5 |
150 |
1 |
365 |
3 |
185 |
2 |
|
1.5 |
1.75 |
200 |
2 |
400 |
3.5 |
160 |
1.5 |
460 |
3.5 |
200 |
2 |
|
1.75 |
2 |
215 |
2.5 |
430 |
4 |
175 |
2 |
550 |
4 |
215 |
2.5 |
|
2 |
2.25 |
215 |
2.5 |
430 |
4 |
175 |
2 |
550 |
4 |
250 |
3.5 |
|
2.25 |
2.75 |
230 |
3 |
460 |
4 |
190 |
2.5 |
640 |
5 |
250 |
3.5 |
|
2.75 |
3 |
230 |
3 |
460 |
4 |
190 |
2.5 |
640 |
5 |
250 |
3.5 |
|
3 |
3.5 |
245 |
3.5 |
490 |
4 |
205 |
3 |
730 |
6 |
250 |
3.5 |
|
3.5 |
4.25 |
260 |
3.5 |
520 |
4 |
260 |
3.5 |
730 |
6 |
260 |
3.5 |
|
4.25 |
4.75 |
275 |
4 |
550 |
4 |
275 |
4 |
775 |
6 |
275 |
4 |
|
4.75 |
5 |
200 |
4 |
580 |
5 |
290 |
4 |
825 |
6 |
290 |
4 |
|
5 |
5.25 |
290 |
4 |
580 |
5 |
290 |
4 |
825 |
6 |
290 |
4 |
|
5.25 |
5.5 |
290 |
4 |
580 |
5 |
290 |
4 |
825 |
6 |
290 |
4 |
|
Table 3. Mechanical Properties of ST1A Wires |
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|
Nominal wire diameter mm |
Diameter tolerance |
Stress at 1% extension, MPa |
Tensile strength, MPa |
Elongation on 250mm |
Mandrel diameter for wrapping test |
No. of torsion twists |
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