高速鋼淬火回火工藝參數(shù)見(jiàn)表3.5-6、表3.5-7。表3.5-6高速鋼淬火回火工藝參數(shù)鋼號(hào)淬火預(yù)熱淬火加熱淬火介質(zhì)回火工藝要點(diǎn)硬度HRC備注溫度/℃時(shí)間/(s/mm)介質(zhì)溫度/℃時(shí)間/(s/mm)W18Cr4V85024中性鹽爐1260~128012~15油560℃保溫1h,空冷,3次≥6 (共 2170 字) [閱讀本文] >>
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 高速鋼淬火回火工藝參數(shù)見(jiàn)表3.5-6、表3.5-7。表3.5-6高速鋼淬火回火工藝參數(shù)鋼號(hào)淬火預(yù)熱淬火加熱淬火介質(zhì)回火工藝要點(diǎn)硬度HRC備注溫度/℃時(shí)間/(s/mm)介質(zhì)溫度/℃時(shí)間/(s/mm)W18Cr4V85024中性鹽爐1260~128012~15油560℃保溫1h,空冷,3次≥6 (共 2170 字) [閱讀本文] >>