PT520QH
2023-05-17 17:07:57
来源:钢铁之家
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牌号 | PT520QH |
对应标准 | ISO 9328-6-2018
承压扁钢制品-淬火和回火的可焊细晶粒钢 Steel flat products for pressure purposes - Weldable fine grain steels, quenched and tempered |
归类 | 合金钢 |