sigh007 发表于 2012-3-31 17:41:26

MIL-S-50783


                   MIL-S-50783, MILITARY SPECIFICATION: STEEL ALLOY, SPECIAL PURPOSE FOR AMMUNITION COMPONENTS (HF-1) (20 SEP 1973)., This specification covers hot tooled bars and semi-finished billets of a specific composition to be used in the manufacture of Artillery, Warhead and Mortar Ammunition Components.         
         
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