NBN 253-05
NBN 253-05 (弹簧用钢。等级和类型)· NBN (比利时) · 10 种材料
| 名称 | 材料组别 | |
|---|---|---|
| 45 Si 7 | 结构钢 | chevron_right |
| 45 SiCrMo 6 | 结构钢 | chevron_right |
| 50 CrV 4 | 结构钢 | chevron_right |
| 50 Si 7 | 结构钢 | chevron_right |
| 51 CrMoV 4 | 结构钢 | chevron_right |
| 55 Cr 3 | 结构钢 | chevron_right |
| 55 Si 7 | 结构钢 | chevron_right |
| 60 Si 7 | 结构钢 | chevron_right |
| 60 SiCr 8 | 结构钢 | chevron_right |
| C 79 | 结构钢 | chevron_right |