| Coating Mass | |||
| Coating | Bronze1 | Bronze2 | Remarks |
| Compositions | Cu ≥ 97% | Cu80.0-94.0 | |
| component | Sn0.3-3.0 | Sn6.0-20.0 | |
| Coating thickness ( um ) | 0.10±0.05 | 0.17±0.05 | |
| Mechanical Performance of The Wire | ||
| Diameter of steel wire (mm) | Normal tensile (MPa) | Hight tensile (MPa) |
| ≥0.78-0.96 | ≥1850 | 2150-2500 |
| ≥0.96-1.2 | ≥1850 | |
| ≥1.2-1.65 | 1750-2150 | 2050-2400 |
| ≥1.65-2.1 | 1500-2050 | |
| Grade of tensile strength | Diamter of steel wire(MPa) | (Torsions/360)not less than | Elongation at breaking (%) not less than |
| Normal tensile (MPa) | <1.00 | 50 | 5 |
| ≥1.00-1.30 | 25 | 5 | |
| ≥1.30-1.42 | 22 | 5 | |
| ≥1.42 | 20 | 5 | |
| High tensile (MPa) | <1.00 | 50 | 5 |
| ≥1.00-1.82 | 20 | 5 | |
| ≥1.82 | 15 | 5 |
PRODUCTION LINE
