fxrwinner 发表于 2016-12-10 21:46:08

求助ASTM A336-2016标准

求助ASTM A336-2016标准

liuxilin1215 发表于 2016-12-10 21:46:09

最新版：
ASTM A336/A336M-15 Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
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