GB9948????????++20#??????????++16Mn???????????
GB9948????????????????????????????????????????ˉ??????????????????????????????????????? ?????Щ??ˉ??????o????1?????????????????????????????????????????????????????????и????????????????????????????????????????
????GB9948????????????????????????????????????????ˉ??????????????????????????????????????? ?????Щ??ˉ??????o????1?????????????????????????????????????????????????????????и??????????????????????????????????????????????У???????????????20G??20MnG??25MnG??????????15MoG??20MoG??12CrMoG??15CrMoG??12Cr2MoG??12CrMoVG??12Cr3MoVSiTiB???????????????1Cr18Ni9??1Cr18Ni11Nb?????ˉ??????????????е?????????????????飬??????????????飬??????????????????????
1??????
????(1)????????????
?????????GB9948?????????????450?????￡????????????10???20???????????????ι?????
??????GB9948???????????????????o????????????????????????????????????￡??????????????????????и??????????????????????????????????????????
????(2)?????
?????????GB9948?????????????????????????????????????????????ˉ???????????????С???????????
??????GB9948??????????????????????????ˉ????????????????????????????????????
????2.????
????GB9948??????????????????????????ˉ???????ˉ???????????ˉ???????ˉ????????????????????????
????3.??????????
????(1)GB3087-2008?????????ˉ?????????漲?????????ˉ????????10??426mm??????43??????1.5??26mm????29???????????ˉ?ù????????????????С??????????????????й漲??
????(2)GB5310-2008???????ˉ?????????????????22??530mm?????20??70mm????????(????)????10??108mm?????2.0??13.0mm?????
????(3)GB3087-2008?????????ˉ??????????GB5310-2008???????ˉ??????????漲????????????????????治?????????????????????????????????Щ?????????????????????ó????????????????????????????С?????????????С???
??????????????????????
???????????:
??????綽??18921511196??????????????綽??0510-88268136??
??????綽??13812042226??????????????綽??0510-88267553??
????????????:
??????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
|
?????λ???
?? ? ? ?? 
