Method for producing chromium-containing molten iron

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United States of America

PATENT NO 12134799
SERIAL NO

17603593

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Abstract

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A charged material containing a metal raw material of at least one of ferrochromium containing metal Si or ferrosilicon and unreduced slag containing Cr oxide generated by oxidation refining is charged into an AC electric furnace including three electrodes, a mass ratio of a metal Si amount to a Cr oxide amount being from 0.30 to 0.40, and a C concentration being from 2.0% by mass to a saturation concentration.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asahara, Norifumi Tokyo, JP 2 0
Futaka, Mikio Tokyo, JP 1 0
Kaneko, Naoki Tokyo, JP 55 157
Kato, Katsuhiko Tokyo, JP 87 616
Nakagawa, Junichi Tokyo, JP 116 601
Tanaka, Yasuhiro Tokyo, JP 350 3417

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