sigh007 发表于 2012-3-31 17:44:46

MIL-S-46049C


                   MIL-S-46049C, MILITARY SPECIFICATION: STRIP, METAL, CARBON STEEL, COLD ROLLED, HARDENED AND TEMPERED SPRING QUALITY (06 FEB 1987)., This specification covers cold rolled carbon steel of hardened and tempered spring quality in strip form for use in spring applications.         
         
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