俄罗斯 · GOST
58
GOST 1050:1988 — Carbon structural quality steel gauged bars with special surface finish. General specifications
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| As | 0.08 | |||
| C | 0.55 | 0.63 | ||
| Cr | 0.15 | |||
| Cu | 0.3 | |||
| Mn | 0.2 | |||
| N | 0.008 | For BOF cold rolled steel sheets N=max 0.0060% | For BOF cold rolled steel sheets N=max 0.0060% | |
| Ni | 0.3 | |||
| P | 0.035 | |||
| S | 0.04 | |||
| Si | 0.1 | 0.3 |
力学性能
| 热处理 / 状态 | 屈服强度 | 抗拉强度 | 伸长率 | 断面收缩率 | 冲击功 | 硬度 |
|---|---|---|---|---|---|---|
| 棒材 d, t <= 80 mm (d - 直径, t - 厚度) | 315 | 600 | 12 | 28 | ||
| 棒材 未经热处理 | HB ≤255 Rolled and forged product. | |||||
| 棒材 退火或回火 | HB ≤217 Rolled and forged product. |