DIN 17121
DIN 17121 (钢结构工程用无缝圆钢管；交货技术条件)· DIN (德国) · 10 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 1.0038 | 结构钢 | chevron_right |
| 1.0044 | 结构钢 | chevron_right |
| 1.0116 | 结构钢 | chevron_right |
| 1.0144 | 结构钢 | chevron_right |
| 1.0570 | 结构钢 | chevron_right |
| RSt 37-2 | 结构钢 | chevron_right |
| St 37-3 | 结构钢 | chevron_right |
| St 44-2 | 结构钢 | chevron_right |
| St 44-3 | 结构钢 | chevron_right |
| St 52-3 | 结构钢 | chevron_right |