GB5310??ˉ????20G?????ˉ????????????ˉ?????25-630mm???????????ˉ?????
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????????????:10#??20#??35#??45#??20G??40Cr??20Gr??16Mn-45Mn??J55??N80??27SiMn??Cr5Mo?? 12CrMo(T12)??12Cr1MoV??12Cr1MoVG??10CrMo910?? 15CrMo??35CrMo??40CrMo??P11??T91??P22??304??316??201??0Cr18Ni9Ti???
?????????г?20G?????ˉ??????GB5310?????ˉ???????????????????????????????????????????????磺0510-88268136
20G?????ˉ????????￡?
25-28-30*2-3-4-5-6 34-36-38-42*3-4-5-6-8 45-48-51-57*3-4-5-6-8-10
60-65-68-70*4-5-6-8-10 73-76-83-89*4-5-6-8-10 102-108*4.5-5-6-8-10
114-121-127*4.5-5-6-8-10 133-140-146-152-159*4.5-5-6-8-10-12-14-16
168-180-194-203*6-8-10-12-14-16-18 219-245-273*8-10-12-14-16-18
?????????????????????????????????????????????????????????????????????????????????????????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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