发明名称 REFINING METHOD FOR ULTRA LOW NITROGEN HIGH CHROMIUM STEEL
摘要 PURPOSE:To manufacture the title high Cr steel by subjecting a powder Cr source to ultra low nitriding treatment with a flux consisting of alkali (earth) metals and their halides and mixing the treated source with oxides after which the mixt. is melted along with electrolytic iron, etc. in a vacuum furnace while preventing absorption of nitrogen.
申请公布号 JPS5376117(A) 申请公布日期 1978.07.06
申请号 JP19760151717 申请日期 1976.12.17
申请人 NIPPON STEEL CORP 发明人 KATAYAMA HIROYUKI;KIMURA SHIGEHIRO;KAJIOKA HIROYUKI;ITOU MICHITOSHI;NAKAMURA YASUSHI
分类号 C21C7/00;C21C5/00 主分类号 C21C7/00
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