sigh007 发表于 2013-9-14 11:24:53

ASTM A727/A727M-2010

ASTM A727/A727M-2010         
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 13:21:41

谢谢分享!!!!!!!!!!!!!!!!!!!!!

lotus999 发表于 2014-12-1 10:09:27

thanks for your sharing!!!!great job.

aimar1617 发表于 2015-10-21 10:37:01


很好的资料,学习了!感谢分享
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