??????????С??????????ˉ??25*3??ˉ??
20#???????ˉ?? GB3087-2008 25*3 ???20T ??????
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?????????ˉ??????????????????????????????????????ˉ??????????????????????????????????????????Щ??ˉ???????????o????1?????????????????????????????????????????????????????????и????????????????????????????????????????????????У???????????????20G??20MnG??25MnG??????????15MoG??20MoG??12CrMoG??15CrMoG??12Cr2MoG??12CrMoVG??12Cr3MoVSiTiB???????????????1Cr18Ni9??1Cr18Ni11Nb?????ˉ??????????????е?????????????????飬??????????????顣??????????????????????????????????????????????????????????
????????????????????????????????????????? http://www.amghtru.cn/2010/5201.html
?????????????????????????????????????????????????????????????????????????????????????????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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