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Title:
ニッケルラテライト鉱およびクロマイト鉱からオーステナイトステンレス鋼を製造する方法
Document Type and Number:
Japanese Patent JP5778215
Kind Code:
B2
Abstract:
A method for manufacturing an austenitic stainless steel from a nickel laterite ore and a chromite ore includes the steps of determining a nickel content of the nickel laterite ore; processing the nickel laterite ore into a nickel-containing precursor based on the determination; obtaining a molten ferrochrome from the chromite ore; transferring the nickel-containing precursor into a converter, and hot charging the molten ferrochrome into the converter to obtain a molten stainless steel; and charging the molten stainless steel into a continuous casting machine to obtain a stainless steel slab.

Inventors:
Xubun key
Yellow
Uh Issei
Yangzheng Building
Application Number:
JP2013130098A
Publication Date:
September 16, 2015
Filing Date:
June 21, 2013
Export Citation:
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Assignee:
No Union Steel Co., Ltd.
International Classes:
C21C5/28; C22B1/16; C22B3/00; C22B5/10; C22B23/00; C22B23/02; C22B34/32; C22C33/04
Domestic Patent References:
JP2011500965A
JP7188831A
JP52007812A
JP2008007801A
Foreign References:
US20090180945
WO2012014685A1
Other References:
田中克芳,フェロニッケル製造法における最近の状況,鉄と鋼,日本,日本鉄鋼協会,1985年 2月 1日,Vol. 71, (1985), No. 2,147-156
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Shinsuke Onuki