RAW MATERIAL PIG FOR CAST IRON BY ELECTRIC FURNACE DISSOLUTION, AND PRODUCTION METHOD THEREFOR

PROBLEM TO BE SOLVED: To easily control the content of S in cast iron without the addition of a vulcanizing material in the production of cast iron by electric furnace dissolution. SOLUTION: The raw material pig is obtained by adding a vulcanizing material such as iron sulfide to a hot metal extract...

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Hauptverfasser: NODA TAKASHI, MORIOKA KOICHI, YAMAGATA HITOAKI
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creator NODA TAKASHI
MORIOKA KOICHI
YAMAGATA HITOAKI
description PROBLEM TO BE SOLVED: To easily control the content of S in cast iron without the addition of a vulcanizing material in the production of cast iron by electric furnace dissolution. SOLUTION: The raw material pig is obtained by adding a vulcanizing material such as iron sulfide to a hot metal extracted from a blast furnace at least in either one place from a hot metal gutter to a tundish before a pig iron casting machine to increase the content of S in the hot metal, and thereafter performing cooling/solidifying by the pig iron casting machine, and comprises, by mass, 3.0 to 4.5% C, 0.1 to 12% Si, 0.01 to 5% Mn and >0.3 to 5% S, and the balance Fe with inevitable impurities. COPYRIGHT: (C)2005,JPO&NCIPI
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SOLUTION: The raw material pig is obtained by adding a vulcanizing material such as iron sulfide to a hot metal extracted from a blast furnace at least in either one place from a hot metal gutter to a tundish before a pig iron casting machine to increase the content of S in the hot metal, and thereafter performing cooling/solidifying by the pig iron casting machine, and comprises, by mass, 3.0 to 4.5% C, 0.1 to 12% Si, 0.01 to 5% Mn and &gt;0.3 to 5% S, and the balance Fe with inevitable impurities. 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subjects ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title RAW MATERIAL PIG FOR CAST IRON BY ELECTRIC FURNACE DISSOLUTION, AND PRODUCTION METHOD THEREFOR
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