德国 · DIN
EStE 355
DIN 17102:1983 — Weldable normalized fine grain structural steels;technical delivery conditions for plate,strip,wide flats,sections and bars.
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| Al | 0.02 | If nitrogen is additionally fixed by niobium | If nitrogen is additionally fixed by niobium | |
| C | 0.18 | |||
| Cr | 0.3 | |||
| Cr+Cu+Mo | 0.45 | |||
| Cu | 0.2 | |||
| Mn | 0.9 | 1.65 | ||
| Mo | 0.08 | |||
| Nb | 0.05 | |||
| Nb+Ti+V | 0.12 | |||
| Ni | 0.3 | If Ni is added as an alloying element | If Ni is added as an alloying element | |
| P | 0.025 | |||
| S | 0.015 | |||
| Si | 0.1 | 0.5 | ||
| V | 0.1 |
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, 型钢 100< t-厚度 ≤125mm 热轧, 扁钢 | 305 | 460 600.00 | 22 | |||
| 棒材, 型钢 125< t-厚度 ≤150mm 热轧, 扁钢 | 295 | 450 590.00 | 22 | |||
| 棒材, 型钢 35< t-厚度 ≤50mm 热轧, 扁钢 | 345 | 490 630.00 | 22 | |||
| 棒材, 型钢 50< t-厚度 ≤70mm 热轧, 扁钢 | 335 | 490 630.00 | 22 | |||
| 棒材, 型钢 70< t-厚度 ≤85mm 热轧, 扁钢 | 325 | 480 620.00 | 22 | |||
| 棒材, 型钢 85< t-厚度 ≤100mm 热轧, 扁钢 | 315 | 470 610.00 | 22 | |||
| 棒材, 型钢 t-厚度 ≤35mm 热轧, 扁钢 | 355 | 490 630.00 | 22 |