EU 89
EU 89 (热成形热处理弹簧用合金钢：质量规范)· EU (欧盟) · 9 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 |