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DIN17175-79
JISG3467-88
JISG3458-88??GB5310-95
GB9948-88
ASTMA335/A335m
ASTMA213/A213m
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???? T22 ASTM213/233??P22 ASTM??A335
?1? DIN17175-79
?й? GB5310-95 GB6479-2000
??? JIS3462-88 JIS3467-88 JIS3458-88
????????????????????????????????8-1240??1-200mm???????2-16M??????????????????????,?????????????????顢???????????ˉ?????龡??????????????????? ???????????????????????????????????????????????????????????????????????????????????:10????20????Q235????35????45????20G??16Mn??Q345????27SiMn??15 CrMo??12Cr1MoV??15CrMoV??35CrMoV??10CrMoV910??T91??.??б????GB/T8162-1999??GB/T8163-1999??GB3087-1999??GB5310-1995??GB6479-2000??GB9948-88??GB5312-1999??
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