sigh007 发表于 2012-3-29 11:52:39

MIL-S-6049A


                   MIL-S-6049A, MILITARY SPECIFICATION, STEEL, CHROME-NICKEL-MOLYBDENUM (8740) BARS AND REFORGING STOCK (AIRCRAFT QUALITY) (28 JUN 1967) ., This specification presents the requirements for chrome-nickel-molybdenum (8740) steel bars and reforging stock of aircraft quality.         
         
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