QQ C 390 : B被替代
COPPER ALLOY CASTINGS (INCLUDING CAST BAR)
出版：US Military Specs/Standards/Handbooks
專家解讀視頻
Covers castings produced by static of centrifugal mold or continuous processes.
SAE AMS 4842 : 2012 - Similar to
SAE AMS 4862 : 2016 - Identical
SAE AMS 4845 : 2015 - Similar to
SAE AMS 4860 : 2015 - Similar to
SAE AMS 4855 : 2015 - Similar to
SAE AMS 4842 : 2012 - Similar to
SAE AMS 4862 : 2016 - Identical
