?????????????20#??45#--??????????Q345B,16Mn
?????????:
?????????????????????????????????Ρ???????????????????????????????10#??20#??35#??45#??? ??????? 16Mn????????????????????????????????????27SiMn??12Cr1MoV??10CrMo910??15CrMo??35CrMo?????????????????????????????????????????????????????ˉ??????????ˉ???????????????豸???????????????????????????????????????????????????????????????????????????????????????? ???????
???????????????????????????????????е?????ú????????????????? ?????????????????????????????????????????????κ???????????????????????? ???????ò??????????GB/T14975-1994????????????????????????????????е???????????????????????????????????????????????????Σ??????????? ?????????????ò??????????GB/T14976-1994???????????????????????????????????????????Σ???????????
???????:
16Mn????
16Mn???????16Mn?е?????????? ??????????????????0.1%-0.25%,?????????????????衢???????????????????????<3%?????????300??350??400??450MPa??4???????????Q295??Q345??Q390??Q420??Q460???? 16MN????
??Q?????????????????????????д????????????????????С????????s????????????????????????????????????????????????????????仯?????A??B??C??D????????A??B?????????16Mn ????16Mn??????????? ????C??0.12~0.20?? Mn:1.20~1.60?? Si:0.20~0.55?? ????????470~660?/???????? ????????275~345?/???????? ?????21%??????????????????????????????????????????????16~100mm ????16Mn?????????? ???????????????????????16Mnq???????????????????????16MnL??????????????????????16MnR???? ????16Mn???????? ????GB/T8163-2008(??????????) GB6479-2000??????????豸???????? ????16Mn?????????????:[(??-???)*???]*0.02466=kg/??(????????)
??????????????????????
???????????:
??????綽??18921511196??????????????綽??0510-88268136??
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????????????:
??????綽??13382886444??????????????綽??0510-88264321??
??????綽??18014258567??????????????綽??0510-88268567??
????????????:
??????綽??13646176766??????????????綽??0510-88269158??
?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
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