sigh007 发表于 2012-3-29 11:49:57

MIL-S-83030A


                   MIL-S-83030A, MILITARY SPECIFICATION, STEEL ALLOY, CARBURIZING, BARS AND BILLETS, STEEL NICKEL-CHROMIUM (3310, 3316, AND 9310), PREMIUM QUALITY (28 AUG 1968) ., This specification covers requirements for nickel-chromium and nickel-chromium-molybdenum steels intended for carburizing use in applications requiring restrictive quality.         
         
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