?????????????????219-1000mm?????20-300mm?????????????????219-1600mm?????20-300mm?????????????????600-2000mm?????80-600mm???????20#??35#??45#??16Mn??27SiMn??15CrMo??42CrMo??40Cr??12CrMoVG????????????-???????????????
????????:
????-?????????-????????-????????-?????????????-??????????
??????????20#??35#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??15CrMoG??12Cr1MOV??12Cr1MoVG??20G??13CrMo44??A335P91??T91??P91??T22??P22??P5??Cr5Mo??1Cr2Mo??12Cr2Mo??35CrMo??42CrMo??40Cr??38CrMoAL??10CrMO910??304??304L??316??316L??321??310S??
???????б????
?????????GB/T8162-2008?????????????GB/T8163-2008?????????ˉ??GB3087-2008???????ˉ??GB5310-1995????????ù?GB6479-2000??????????GB9948-2000????ξ????????GB3639-2008????????????????GB5213-85?????ò?????GB/T14975-2002???????ò?????GB/T14976-2002???????GB/T3091-2008??GB/T9711-2008???????????ASTM???±??????DIN??????????JIS??? ???????д?????????????????????????????????????????????????????????????????????????????????顣