???????????-16Mn??????ù?*GB6479??????ù?
GB6479??????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??
????????????????????????????????????????????????????ˉ????????????????????????????????????????20# 35# 45# 16Mn 27SiMn 15CrMo 12Cr1MoV 35CrMo Cr5Mo 10CrMo910 T91 T11 P22 P23. ??й???GB/T8162- 2008?????????GB/T8163-2008??????????GB/T3087-2008?????????ˉ?????GB/T5310-1995 GB5310-2008???????ˉ????? GB/T6479-86????????ù????GB/T9948-88????????????????????????????????????????????????????????????????????????????????.???????λ??????
?????????? ??????????????????????
?????????????????????????????????????????????????????????????????????????????????????????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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