牌號(hào) | 20NiCrMo2 |
對應(yīng)標(biāo)準(zhǔn) | UNI 8550-1984
表面硬化用鍛造非合金和合金鋼成品—質(zhì)量嚎衡、試驗(yàn)要求 Specification unalloyed and alloyed steel finished products, open die and drop forged, for case hardening - Qualities, requirements and tests |
歸類 | 合金鋼 |
標(biāo)簽 | 合金鋼 |