NF A 37-503
NF A 37-503 (冷轧带材。渗碳用特殊钢和非合金钢。等级)· AFNOR NF (法国) · 11 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 15 C 2 | 结构钢 | chevron_right |
| 16 MC 5 | 结构钢 | chevron_right |
| 16 NC 6 | 结构钢 | chevron_right |
| 18 CD 4 | 结构钢 | chevron_right |
| 20 MB 5 | 结构钢 | chevron_right |
| 20 MC 5 | 结构钢 | chevron_right |
| 21 B 3 | 结构钢 | chevron_right |
| 25 B 3 | 结构钢 | chevron_right |
| XC 10 | 结构钢 | chevron_right |
| XC 15 | 结构钢 | chevron_right |
| XC 18 | 结构钢 | chevron_right |