牌号 | 20MnCr5 |
对应标准 | UNI 8550-1984
表面硬化用锻造非合金和合金钢成品—质量、试验要求 Specification unalloyed and alloyed steel finished products, open die and drop forged, for case hardening - Qualities, requirements and tests |
归类 | 合金钢 |
标签 | 合金钢 |