PRODUCTION OF ULTRA-CLEAN STAINLESS STEEL MEMBER
PURPOSE:To produce an ultra-clean steel without occurring pitting at the time of an electrolytic polishing by remelting a stainless steel ingot melted in a vacuum induction furnace by vacuum arc melting method and executing the decrease of non-metallic inclusion and the adjustment of chemical compon...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To produce an ultra-clean steel without occurring pitting at the time of an electrolytic polishing by remelting a stainless steel ingot melted in a vacuum induction furnace by vacuum arc melting method and executing the decrease of non-metallic inclusion and the adjustment of chemical component composition. CONSTITUTION:The stainless steel ingot is produced by the vacuum induction furnace melting method, then remelted by a vacuum arc melting method, thereby oxygen and the non-metallic inclusion are removed. At the same time, this chemical component composition is adjusted so as to become 0.006-0.020wt% C, |
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