德国 · DIN
1.0127
DIN 17119:1984 — Welded cold formed square and rectangular steel tubes (hollow sections) for structural steelwork; technical delivery conditions
化学成分
| 元素 | min | max | 相似 | 备注 |
|---|---|---|---|---|
| Al | Nitrogen must be fixed e.g. >0. 02%Al met | Nitrogen must be fixed e.g. >0. 02%Al met | ||
| C | 0.17 | |||
| Mn | 0.2 | 0.5 | ||
| P | 0.04 | |||
| S | 0.04 | |||
| Si | 0.03 | 0.3 |