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16Mn????? 16Mn?????? ??? ???????????????????%?? C Si Mn P?? S?? Cr Mo V 16Mn 0.12~0.20 0.20~0.60 1.20~1.60 0.030 0.030 - - - 16Mn??????? ??? ???????MPa ??????MPa ?????%?? 16Mn 490~670 320 21 16Mn?????????????? 95*8-10 273*8-12-16-22-25-30 450*10-12-25 108-133*5-10 299*8-12-16 508*10-12-25 159*8-10-12 325*10-16-18 530*12-20-25 168-180-194*8-10 351*10-12 610*12-20-33 203*12-16 377*10-12-16-22-25-30 630*10-20-33 219*8-12-14-16 402*16-18 720*10-20-30 245*8-10-16 426*12-14-16   ????????????б?????δ?????16Mn??????????綽?????????????????????????????????!