China · GB
50
GB 3206:1982 — Carbon constructional quality steel wires
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.47 | 0.55 | ||
| Cr | 0.25 | |||
| Cu | 0.25 | |||
| Mn | 0.5 | 0.8 | ||
| Ni | 0.3 | |||
| P | 0.035 | |||
| S | 0.035 | |||
| Si | 0.17 | 0.37 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| Wires | 637–882 | ≥6 | ≥30 | |||
| cold drawnsteel wire | 735–1080 非标准数据，仅供参考；635–885 非标准数据，仅供参考 | ≥6 非标准数据，仅供参考 | ≥30 非标准数据，仅供参考 |