宝钢431 S43100 440A S44002 440B不
不锈钢17Cr16Ni12 ..
宝钢1Cr18Mn8Ni5N..
宝钢431 S43100 4..
宝钢1Cr18Ni12Mo3..
不锈钢XM15 S38100..
宝钢00Cr12 1Cr17..