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%??
??????????????лл