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Sep 04, 20234340 steel siv rau dab tsi?4340 steel yog siv rau qhov tseem ceeb quenched thiab tempered qhov chaw uas yuav tsum tau zoo toughness, siab zog, thiab loj qhov ntev, xws li heavy-duty machinery shafts, turbine -
Aug 28, 2023Qhov txawv ntawm H11 thiab H13 steel yog dab tsi?Qhov txawv ntawm H11 thiab H13 steel yog dab tsi? -
Aug 28, 2023Dab tsi yog cov yam ntxwv ntawm H11 cov cuab yeej steel?Dab tsi yog cov yam ntxwv ntawm H11 cov cuab yeej steel?
