DECARBONIZATION REFINE METHOD FOR CHROMIUM-BASED STAINLESS STEEL

PROBLEM TO BE SOLVED: To provide a method capable of stably reducing the dust producing quantity in a high carbon concentration region at the first half period of the refining, and also stably suppressing the chromium oxidizing quantity at the ending period of the refining when producing a chromium-...

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Hauptverfasser:	YUKI TOSHITAKA, ISHIKAWA ATSUHIRO, OGAWA YUJI, SASAGAWA SHINJI, SUGANO KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method capable of stably reducing the dust producing quantity in a high carbon concentration region at the first half period of the refining, and also stably suppressing the chromium oxidizing quantity at the ending period of the refining when producing a chromium-based stainless steel by a decarbonization refining process. SOLUTION: When smelting the chromium-based stainless steel having 10 mass% to