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????????????????426-1200?????10-60.????20#??45#??16Mn
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????????????? GB/T8162-2008
??????????????? GB/T8163-2008
???????????ˉ?? GB3087-2008
?????????ˉ?? GB5310-2008
????????????????????:
?????????-?????????????-????????????????????------??????????????????????0510-88268136***88268567?????????????????,???????????????
?????????????????????????????????????????????????????????????????????????????????????????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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