sigh007 发表于 2013-9-14 11:24:18

ASTM A727/A727M-2009

ASTM A727/A727M-2009                 
中文名:具有内在切口韧性的管道部件用碳素钢锻件规格
英文名:Standard Specification for Carbon Steel Forgings for Piping Components with Inherent Notch Toughness




2013 发表于 2013-9-15 13:27:10

谢谢分享!!!!!!!!!!
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查看完整版本: ASTM A727/A727M-2009