??????????????????45#65*8??????
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45#??????? ?????GB/T8162-2008
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??λ??????????????GB3639-2000?????????е???????豸???羫??????????????λ???????????????
???????????ξ??????????????????????????,???????ξ??????????????????????????Ч???????? ??ν???????ι???????????羫??(????Χ)?????????????????????????????????? ?ü?????????????????ι????????????????????????????GB8713--88???????ISO4394/I-1980(E) ?????????±?: ????????????????????? ? ???? GB8713-88 ISO4394/I ?????繫?? H8 H9 H10 H8 H9 H10 H8 H9 H10 ? ?? ?? 0.3/1000 A: 0.3/1000 A: 0.5/1000 B: 1/1000 B: 1/1000 C: 1.5/1000 C: 1.5/1000 ???%10????? %10????? %5???????? ? ?? 0.04 ??漲 ??
????????????????:[(??-???)*???]*0.02466=kg/??(????????)
?????????????????????????????????????????????????????????????????????????????????????????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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