??????ò??????Q235A??Q235C
Q235B??16Mn??20#??Q345??L245??L290??X42??X46??X60??X80??0Cr13??1Cr17??00Cr19Ni11??1Cr18Ni9??0Cr18Ni11Nb???
??????????????????????????亸????????????ˉ??????紙?????躸?????????綃
????
????????亸??????????????????????????????????????????????κ????????????????????????????????????????????????????????
GB/T3091-2008??????????????ú??????????????????????ú????????????????????????????????????????????????????????????Q235A?????
GB/T14291-2006?????????????????????????????????硢?????????????????????????????Q235A??B?????GB/T14980-1994????????????????????紙?????????????????????????ú???????????????????????????????????????????Q235A?????
GB/T12770-2002????е???ò????????????????????е???????????г?????????????????μ???????е???????????????????0Cr13??1Cr17??00Cr19Ni11??1Cr18Ni9??0Cr18Ni11Nb???
GB/T12771-1991???????????ò??????????????????????????????????????????0Cr13??0Cr19Ni9??00Cr19Ni11??00Cr17??0Cr18Ni11Nb??0017Cr17Ni14Mo2???
???У?????ú???????????GB/T 18705-2002????????????ò??????????JG/T 3030-1995??????????????????????紙????GB/T 3091-2001??????????????ú??????YB4103-2000
?????????????????????????????????????????????????????????????????????????????????????????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???
?? ? ? ?? 
