??QPQ????????QPQ?????????

2019-07-31


QPQ????????QPQ???????

????Quench??Polish??Quench????д????????????????????????????????????????У???????????????????????γ?????????????????????????????????о?????????????????Ч???????????????QPQ???????????й??е??????ù??????QPQ???????????????Σ??????????????Ч????????????????????????????????????

??????е???,QPQ?????????????????????????????,??????????????г???????????????????????????????Ч???????????????????????:

1.????????????????????

?ù??????????????????????????????????????,???????????????????QPQ??????,?????????????????16??????,??20#?????????9??????,?????????????????2?????????????????:?ù????????????????????40%????,?????????,???嵪??Ч?????á??ù??????????????????????,??????????,???????????ж???

2.?????????????

??????????????????????????????????????????,?? ASTMB1117?????????????????????,???????????35??2??,??????>95%,5%NaCL????????????????????,??QPQ?????????????????1Crl8ni9Ti??????5??,????????70??,??????280????

3.?????????????С

??????QPQ??????????????б??β???,??????Ч????????????????????????????????????????:????510??460??1.5mm??2Cr13???????徭QPQ???????,?????????HRC60,?????С??0.5mm??

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