Hello楊筅笙 发表于 2015-10-22 14:10:39

多谢楼主分享如此好资料~

15950505292 发表于 2016-1-22 10:50:13



多谢楼主分享好资料！

richard4900 发表于 2016-9-28 09:43:55

ASTM A269/A269M-14e1 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
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查看完整版本: ASTM A269/A269M-14e1 一般用途的无缝和焊接奥氏体不锈钢管标准