????豸???????ù?-16MN??????ù?-GB6479??????ù????
??????ù???????????ù??GB6479-2000??????????豸??????????????????????豸???????????????????????????20??16Mn??
12CrMo??12Cr2Mo???
??????????ù??GB6479-86?????????????????-40~400?楨????????10~30Ma??????豸?????????????????????????
?????????豸?????????GB6479-2000?????????????????-40~400?楨????????10~30Ma??????豸??????????????????????????
??????????????????????????
??????б????GB6479-2000??ASTM DIN JIS
????????????20# 16Mn??15CrMo,12CrMo??12Cr2Mo??
????4.?????????
????(1)GB3087-2008?????????ˉ?????????漲???????????鷽????GB222-84??GB223???????????????????????е??й?????
????(2)GB5310-2008???????ˉ?????????漲???????????鷽????GB222-84??????????????????????????GB223???????????????????????е??й?????
????(3)?????ˉ???????????鰴????漲???й??????С?
GB6479??????ù????????????????-40~400?楨????????10~30Ma??????豸?????????????????????????
????GB6479??????ù????????????????-40~400?楨????????10~30Ma??????豸??????????????????????????
???????????????硢?????????????????????????????Q235A??B?????GB/T14980-1994????????????????????紙????????ˉ?????????????????????ú???????????????????????????????????????????Q235A?????
??????????????????????????
??????б????GB6479-2000??ASTM DIN JIS
????????????20# 16Mn??15CrMo,12CrMo??12Cr2Mo??
??????????????????:[(??-???)*???]*0.02466=kg/??(????????)
??????????????????????
???????????:
??????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
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