2023
12-04
12-04
非硫处理碳素钢ASTM A29/A29M-2012/1020/G10200 NEW
非硫处理碳素钢ASTM A29/A29M-2012/1020/G10200非硫处理碳素钢ASTM A29/A29M-2012/1020/G10200美国UNSG10200ASTM型号或牌号1020对应标准ASTM A29/A29M-2012热锻碳素钢和合金钢棒材一般要求标准规范Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought归类碳钢性能冲击...
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