牌號(hào) | 349S52 |
對(duì)應(yīng)標(biāo)準(zhǔn) | BS 970-4-1970
規(guī)范鍛造的鋼坯瞻凤,方坯,鋼棒和鍛件——部分4:閥門(mén)鋼 Specification for Wrought steels in the form of blooms,billets,bars and forgings--Part 4:Valve steels |
歸類(lèi) | 奧氏體不銹鋼 |