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20G压服锅炉管割切发行

作者: locoy 来源:原创 发布时间:2019-10-01

关键词: ┊阅读:次┊

????20G??????????з????????????????????????????2018??10??????????????????????????????????26000???????????????16000?????????????1.6????????????????25??????

???????????????????????绰??????????????????????????????????????????????????

??????2??????????15MoG??20MoG??12CrMoG??15CrMoG??12Cr2MoG??12CrMoVG??12Cr3MoVSiTiB?????3?????????????????1Cr18Ni9??1Cr18Ni11Nb?????????????????????е???????棬???????????飬???????????????顣????????????????????????????棬??????????????????????????????????????????????As??Sn??Pb??Bi????С??Fe????????????????????????????????

????20G??????????з???

?????????????????????????20G??????????з??????????????60??90???????????????????????????????????????????????澶30mm-219mm?к?????????????325mmASSRL??????????????????????????????о???????????????С??????????????????????????????????????????????????????澶177mm-426mm?????10mm-100mm?????澶????0.5%,???????5%??

?????????????淶??GB??????ASTN??ASME???淶???????DIN?淶?????JIS?淶?????BS?淶????????????????н????????????????????????????????????????????????????????????????????Ч?????? ??Υ???????????????????

???????????????????????壬???????????20#??45#??16Mn, 15CrMo??15CrMoG??12Cr1MoV??12Cr1MoVG??20G,Cr5Mo??1Cr5Mo??Cr9Mo??35CrMo??42CrMo??10CrMo910??A335P11??A335P91??T91??12Cr2MoWVTiB??WB36??SA106??ST45.8-??????????????????

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