SE511767C2 - Metod och anordning för tillverkning av rostfritt stål - Google Patents

Metod och anordning för tillverkning av rostfritt stål

Info

Publication number
SE511767C2
SE511767C2 SE9403655A SE9403655A SE511767C2 SE 511767 C2 SE511767 C2 SE 511767C2 SE 9403655 A SE9403655 A SE 9403655A SE 9403655 A SE9403655 A SE 9403655A SE 511767 C2 SE511767 C2 SE 511767C2
Authority
SE
Sweden
Prior art keywords
alloy
ferro
stainless steel
ferroalloy
processing unit
Prior art date
Application number
SE9403655A
Other languages
English (en)
Swedish (sv)
Other versions
SE9403655D0 (sv
SE9403655L (sv
Inventor
Matti Honkaniemi
Veikko Juntunen
Jorma Kemppainen
Risto Pellikka
Eero Raettyae
Original Assignee
Outokumpu Steel Oy
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 Outokumpu Steel Oy filed Critical Outokumpu Steel Oy
Publication of SE9403655D0 publication Critical patent/SE9403655D0/xx
Publication of SE9403655L publication Critical patent/SE9403655L/
Publication of SE511767C2 publication Critical patent/SE511767C2/sv

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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5294—General arrangement or layout of the electric melt shop
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • 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
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • 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
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising 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
    • C21C2007/0093—Duplex process; Two stage processes
    • 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)
  • Treatment Of Steel In Its Molten State (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)
SE9403655A 1993-10-25 1994-10-25 Metod och anordning för tillverkning av rostfritt stål SE511767C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI934698A FI934698A (fi) 1993-10-25 1993-10-25 Menetelmä ja laitteisto ruostumattoman teräksen valmistamiseksi

Publications (3)

Publication Number Publication Date
SE9403655D0 SE9403655D0 (sv) 1994-10-25
SE9403655L SE9403655L (sv) 1995-04-26
SE511767C2 true SE511767C2 (sv) 1999-11-22

Family

ID=8538830

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403655A SE511767C2 (sv) 1993-10-25 1994-10-25 Metod och anordning för tillverkning av rostfritt stål

Country Status (10)

Country Link
US (1) US5514331A (no)
JP (1) JP3563463B2 (no)
BR (1) BR9404221A (no)
CA (1) CA2133918C (no)
FI (1) FI934698A (no)
GR (1) GR1002628B (no)
NO (1) NO308009B1 (no)
PH (1) PH31314A (no)
SE (1) SE511767C2 (no)
ZA (1) ZA947953B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155333A (en) * 1999-02-23 2000-12-05 Techint Compagnia Tecnica Internazionale Continuous electric steelmaking with charge preheating, melting, refining and casting
KR100889685B1 (ko) * 2002-12-24 2009-03-19 주식회사 포스코 스테인레스강의 고청정 정련방법
AT412349B (de) * 2003-06-25 2005-01-25 Voest Alpine Ind Anlagen Verfahren zur herstellung einer legierten metallschmelze und erzeugungsanlage hierzu
UA82962C2 (en) * 2005-12-02 2008-05-26 Sms Demag Ag Method and smelting unit for obtaining steel with high manganese and low carbon content
DE102007050478A1 (de) * 2007-10-23 2009-04-30 Sms Demag Ag Verfahren zur Rostfreistahlerzeugung mit Direktreduktionsöfen für Ferrochrom und Ferronickel auf der Primärseite eines Konverters
CN101928804A (zh) * 2010-08-31 2010-12-29 振石集团东方特钢股份有限公司 奥氏体不锈钢的生产方法
TW201400624A (zh) * 2012-06-28 2014-01-01 Yieh United Steel Corp 利用鎳、鉻礦生產沃斯田鐵系不銹鋼的方法
RU2539280C1 (ru) * 2013-08-19 2015-01-20 Иэ Юнайтед Стил Корп. Способ изготовления аустенитной нержавеющей стали из латеритной никелевой руды и хромитовой руды

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947267A (en) * 1973-07-23 1976-03-30 Armco Steel Corporation Process for making stainless steel

Also Published As

Publication number Publication date
SE9403655D0 (sv) 1994-10-25
SE9403655L (sv) 1995-04-26
GR940100464A (en) 1995-06-30
US5514331A (en) 1996-05-07
CA2133918A1 (en) 1995-04-26
JPH07188831A (ja) 1995-07-25
JP3563463B2 (ja) 2004-09-08
BR9404221A (pt) 1995-06-27
CA2133918C (en) 2002-02-12
FI934698A (fi) 1995-04-26
PH31314A (en) 1998-07-06
NO944042D0 (no) 1994-10-24
NO944042L (no) 1995-04-26
FI934698A0 (fi) 1993-10-25
GR1002628B (el) 1997-03-03
ZA947953B (en) 1995-05-22
NO308009B1 (no) 2000-07-03

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Legal Events

Date Code Title Description
NUG Patent has lapsed