??16Mnq????????????????????п??????????????Ч??

Q345qD???????????|Q345qC??????????????|16Mnq???????????|Q420q???????????" src="/UploadFiles/20140811150255463.jpg">???????δ????????????????Ti+Nb-IF????????16Mnq?????????????????0.74mm??????????????930?棬??????

?????720?棬??????????80%??16Mnq???????????????????????????????????%??????0.003C????0.03Si??

0.10~0.16Mn??0.01~0.02P??0.02~0.05Ti??0.01~0.04Nb????????????????????????Ч?Σ????

??????????Ч?Ρ????????????????760??780??800??820??840??860?档
????????????????IF?????????й??Ч?ε??????????????16Mnq?????????????????????????????????

????????IF????????16Mnq????????????????????????п??????????????Ч??

???й????????Э??????????????7???????????????????175.69????16Mnq???????????????5.08???????????

??2.81%??7??????????????????????????1408.4?????????????????72.5??????????

??4.89%??
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