ZA9710138B - Melting of Ni laterite in making alloyed iron or steel background of the invention. - Google Patents

Melting of Ni laterite in making alloyed iron or steel background of the invention.

Info

Publication number
ZA9710138B
ZA9710138B ZA9710138A ZA9710138A ZA9710138B ZA 9710138 B ZA9710138 B ZA 9710138B ZA 9710138 A ZA9710138 A ZA 9710138A ZA 9710138 A ZA9710138 A ZA 9710138A ZA 9710138 B ZA9710138 B ZA 9710138B
Authority
ZA
South Africa
Prior art keywords
laterite
bath
melting
carbon
alloyed iron
Prior art date
Application number
ZA9710138A
Other languages
English (en)
Inventor
David M Kundrat
Original Assignee
Armco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Armco Inc filed Critical Armco Inc
Publication of ZA9710138B publication Critical patent/ZA9710138B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005—Manufacture of stainless steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/076—Use of slags or fluxes as treating agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating With Molten Metal (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
ZA9710138A 1996-12-04 1997-11-11 Melting of Ni laterite in making alloyed iron or steel background of the invention. ZA9710138B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/760,363 US5749939A (en) 1996-12-04 1996-12-04 Melting of NI laterite in making NI alloyed iron or steel

Publications (1)

Publication Number Publication Date
ZA9710138B true ZA9710138B (en) 1998-06-08

Family

ID=25058877

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9710138A ZA9710138B (en) 1996-12-04 1997-11-11 Melting of Ni laterite in making alloyed iron or steel background of the invention.

Country Status (11)

Country Link
US (1) US5749939A (es)
EP (1) EP0846778B1 (es)
JP (1) JPH10158712A (es)
KR (1) KR19980063738A (es)
CN (1) CN1190133A (es)
AT (1) ATE196170T1 (es)
AU (1) AU717368B2 (es)
CA (1) CA2221644A1 (es)
DE (1) DE69703020T2 (es)
ES (1) ES2150730T3 (es)
ZA (1) ZA9710138B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245289B1 (en) 1996-04-24 2001-06-12 J & L Fiber Services, Inc. Stainless steel alloy for pulp refiner plate
AU3334601A (en) * 1999-12-22 2001-07-03 Mintek Iron-nickel alloy production
JP4167101B2 (ja) * 2003-03-20 2008-10-15 株式会社神戸製鋼所 粒状金属鉄の製法
US7056400B1 (en) * 2003-04-22 2006-06-06 R. J. Lee Group, Inc. Method of separating superalloy metal powder from admixed contaminants
US7153377B2 (en) * 2004-02-02 2006-12-26 R. J. Lee Group, Inc. Method of separating admixed contaminants from superalloy metal powder
CN100560767C (zh) * 2007-03-27 2009-11-18 宝山钢铁股份有限公司 一种电弧炉冶炼不锈钢实现镍直接合金化的方法
DE102007015585A1 (de) * 2007-03-29 2008-10-02 M.K.N. Technologies Gmbh Schmelzmetallurgisches Verfahren zur Herstellung von Metallschmelzen und übergangsmetallhaltiger Zuschlagstoff zur Verwendung in diesen
CN100478477C (zh) * 2007-07-09 2009-04-15 贵研铂业股份有限公司 一种从红土矿中提取镍铁合金的方法
FI123241B (fi) * 2011-06-13 2013-01-15 Outokumpu Oy Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa
CN102719582B (zh) * 2012-07-03 2014-10-29 刘光火 一种冶炼低品位复合矿的工艺
DE102014011231A1 (de) * 2014-07-23 2016-01-28 Sms Group Gmbh Verfahren zur Nickel Pig Iron (NPI)- Entkohlung im AOD -Konverter
DK3701053T3 (da) * 2017-10-27 2021-12-13 Umicore Nv Fremgangsmåde til genindvinding af metaller fra cobaltbærende materialer
KR102408309B1 (ko) * 2019-12-20 2022-06-14 주식회사 포스코 저품위 니켈 철 합금으로부터 니켈 매트를 제조하는 방법
CN111635997B (zh) * 2020-06-12 2021-08-03 中南大学 氢气直接还原熔炼红土镍矿冶炼镍铁合金的方法
CN113249540B (zh) * 2021-05-14 2022-08-23 山西太钢不锈钢股份有限公司 使用aod炉以氢氧化镍为原料冶炼镍系不锈钢的生产方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1463020A (fr) * 1965-08-25 1966-06-03 Procédé pour l'élaboration d'alliage de ferro-nickel par fusion simultanée de minerai de fer nickélifère avec un taux élevé de récupération de nickel
JPS5335892B2 (es) * 1972-05-29 1978-09-29
US4001012A (en) * 1973-11-28 1977-01-04 United States Steel Corporation Method of producing stainless steel
US5039480A (en) * 1989-02-21 1991-08-13 Nkk Corporation Method for manufacturing molten metal containing Ni and Cr
JPH02221336A (ja) * 1989-02-21 1990-09-04 Nkk Corp Ｎｉ鉱石の溶融還元法
JPH0791600B2 (ja) * 1989-03-09 1995-10-04 日本鋼管株式会社 Ｎｉ鉱石の溶融還元法
ZA935789B (en) * 1992-08-11 1994-03-03 Mintek The production of stainless steel.
US5575829A (en) * 1995-06-06 1996-11-19 Armco Inc. Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel

Also Published As

Publication number Publication date
MX9709082A (es) 1998-06-30
KR19980063738A (ko) 1998-10-07
CN1190133A (zh) 1998-08-12
EP0846778B1 (en) 2000-09-06
CA2221644A1 (en) 1998-06-04
EP0846778A1 (en) 1998-06-10
JPH10158712A (ja) 1998-06-16
DE69703020T2 (de) 2001-01-11
ATE196170T1 (de) 2000-09-15
ES2150730T3 (es) 2000-12-01
US5749939A (en) 1998-05-12
AU717368B2 (en) 2000-03-23
DE69703020D1 (de) 2000-10-12
AU4684497A (en) 1998-06-11

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