????????????????????????????????GB8162?????????20#?????
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GB/T8162????????? 6-8-10-12*1-2-3??????????????
GB/T8162?????????14-16-18*2-3??????????????
GB/T8162?????????20-25-27*2-3-4-5??????????????
GB/T8162?????????32-34-36-38*3-4-5-6-8??????????????
GB/T8162?????????42-45-48-51*3-4-5-6-8??????????????
GB/T8162?????????57-60-63-65*3-4-5-6-8-10??????????????
GB/T8162?????????68-70-76*4-5-6-8-10-12??????????????
GB/T8162?????????89-95-102-108*4-5-6-8-10??????????????
???????GB8162-2008???? GB8162-2008?????????????
?????????????????????????????????????????????????????????????????????????????????????????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 ?????13967282625??18921237777
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