牌号 | 20NiCrMo2 |
---|---|
對應标準 | UNI 8550-1984
表面硬化用鍛造非合金和合金鋼成品—質量、試驗要求 Specification Unalloyed and Alloyed Steel Finished Products, Open Die and Drop Forged, for Case Hardening - Qualities, Requirements and Tests |
歸類 | 合金鋼 |
标簽 | 合金鋼 |
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