HOT DIP GALVANIZED STEEL WIRE FOR STRANDED CONDUCTORS
Diameter (mm) | Initial Stress Mpa | Start value of the extender (250mm) | |
> | ≤ | ||
1.24 | 2.25 | 100 | 0.125 |
2.25 | 3.00 | 200 | 0.250 |
3.00 | 4.75 | 300 | 0.375 |
4.75 | 5.50 | 400 | 0.500 |
The galvanized steel wire is divided into five grades:grade1-5.
The zinc layer is divided into two levels:A,B.
Nominal diameter D (mm) | The unit area quality of zinc layer is the minimum. (g/m2) | ||
> | ≤ | Grade A | Grade B |
1.24 | 1.50 | 185 | 370 |
1.50 | 1.75 | 200 | 400 |
1.75 | 2.25 | 215 | 430 |
2.25 | 3.00 | 230 | 460 |
3.00 | 3.50 | 245 | 490 |
3.50 | 4.25 | 260 | 520 |
4.25 | 4.75 | 275 | 550 |
4.75 | 5.50 | 290 | 580 |