sigh007 发表于 2012-3-31 17:42:37

MIL-S-46172A


                   MIL-S-46172A, MILITARY SPECIFICATION: STEEL FORGINGS (09 NOV 1984)., This specification covers steel forgings that are produced by a hot deformation process such as hammering, pressing, upsetting, extruding, or any combination of these processes (see 6.1).         
         
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