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> 9948-2013???????????

9948-2013???????????

9948-2013???????????


?????????GB/T9948-2013??????????????????????????????????????????????????????????????????????????????????????????????????????????950?????±???35-40??????Щ????????????????????????????????????????????????????????????????????????и????????????????????????????????????????????????У???????????????20G??20MnG??25MnG??????????15MoG??20MoG??12CrMoG??15CrMoG??12Cr2MoG??12CrMoVG??12Cr3MoVSiTiB???????????????1Cr18Ni9??1Cr18Ni11Nb????????????????????е?????????????????飬???????????????.
9948?????缰???????
?????
??????????????
D1
??1.5%????С??0.75 mm
D2
??1.0%????С??0.50 mm
D3
??0.75%????С??0.30 mm
D4
??0.50%????С??0.10 mm
????????????????www.tjtpco.com.cn
?????????????????????
?????????????????????????40%
???????????????? ???????????????????????? ??????????????????????????????????????????????????????????????????????????????????????

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