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原帖由 asdolmlm 于 2006-9-27 22:06 发表8 k: u3 d5 B/ C+ }9 W! o 碳素钢:A3,50,55,40,45 7 \1 B, E% x0 V! l; M+ C$ J5 D8 @# B合金钢:45Mn,38CrMoAlA,20Cr,20CrMo,40Cr,20Mn2TiB,50Mn2 6 y. k5 Y. h" h铸钢:ZG45, ! S& |" ?$ i( G- \铸铁:HT300,QT600-3,HT180 $ v/ k V9 d* ~" ^7 c) g有色金属:ZQSnD6-3-3,HAl60-1-1,ZCuZn40Pb2,QSn6.5-0.1,QA15
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