???????|?????????|????????
<GB/T8162-2008?????????>
??????????????20???????γ?????????????????????????????????????????????????????????????????????????????????????????????????????
????????????20#??45#??16Mn??Q345B??27SiMn ??40Cr??.
?????????:0Cr18Ni9??304????0Cr17Ni12Mo2(316)??00Cr17Ni14Mo2??316L????1Cr18Ni9Ti??321????0Cr25Ni20??310S????
????????????:20#??45#??16Mn??.
????????:12Cr1MoV ??12Cr1MoVG??15CrMo??35CrMo??10CrMo910??.
?????????:Q195.Q235.Q345.16Mn.20#??.
??????????GB/T8162-2008???????????????е????????
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????GB/T8162?????й???????
????ASTM A53???????????????????????
????ASME SA53 ??????????ˉ??????????淶
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???????????????????????豸?????????е?????????
?????????
????10??20??35??45??Q345??15CrMo??12Cr1MoV??A53A??A53B??SA53A??SA53B
?????????????????????????????????????????????????????????????????????????????????????????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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