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12Cr1MoVG??????????? ????12Cr1MoVG????????????????100%???????????????????????????????????????????????????12Cr1MoVG???????????? ???? 12Cr1MoVG????
?????12Cr1MoVG????????????????????????????????????12Cr1MoVG???????????????????????????????????????й????Э??12Cr1MoVG????????о???δ????????12Cr1MoVG??????????????????????10-12%?? ????1. ????? ?????????????????????????????????????????Σ?????????????????Σ?????????????ι?????ι??????
15CrMoG????????????????й???????????500??-550????t??н??????????????????????550?棬?????????????????????15CrMo??????????????????510??????????????????????????550??????????? ???? 15CrMoG???????
??????????????????????15XM?????????T12??P12????????STBA22??STPA22??1???13CrMo44??? ????15CrMo????????????????????????????????壬15CrMo??????????500??-550?淶Χ???????й????У?????????????????????????????????????????估????????????15CrMo?????????????????????????????????????????????????????????????????2??????????????Ч??????????????15CrMo???????????????????????????ж??????????????????о?????
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????У??? 4mm ???? 720mm*1mm ?? 90mm
??16mn????????????16Mn??Q345B)??????????????????????? ,??????0.1%-0.25%,?????????????????衢????????? ???????????????<3%?????????300??350??400??450MPa??4???????????Q295??Q345??Q390??Q420??Q460??????Q??????????????????????????д????????????????????С????????s????????????????????????????????????????????????????????仯?????A??B??C??D???????16mn???????????16mn???????????16mn????? ???16mn?????????????16Mn??????????????C??0.12~0.20?? Mn:1.20~1.60?? Si:0.20~0.55??
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