PROCESS FOR MELTING ULTRA-LOW SULFUR AND LOW NITROGEN STEEL

To provide a process for melting an extremely low sulfur and nitrogen steel having a sulfur concentration of 5 ppm or less and a nitrogen concentration of 30 ppm or less.SOLUTION: The melting process for extremely low sulfur and low nitrogen steel includes a ladle refining process for performing des...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE YUSUKE, OYAMA TOMOJI, UEHARA HIROHIDE, YAMAUCHI TAKASHI, HASEGAWA TAKASHI, TANAKA TAKANORI, MATSUMOTO TAKUYA
Format:	Patent
Sprache:	eng ; jpn
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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