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LU90232B1 - Manufacturing process of stainless steels and steels with high levels of alloying elements - Google Patents

Manufacturing process of stainless steels and steels with high levels of alloying elements

Info

Publication number
LU90232B1
LU90232B1 LU90232A LU90232A LU90232B1 LU 90232 B1 LU90232 B1 LU 90232B1 LU 90232 A LU90232 A LU 90232A LU 90232 A LU90232 A LU 90232A LU 90232 B1 LU90232 B1 LU 90232B1
Authority
LU
Luxembourg
Prior art keywords
steels
manufacturing process
high levels
alloying elements
stainless steels
Prior art date
Application number
LU90232A
Other languages
French (fr)
Inventor
Jean-Luc Roth
Original Assignee
Wurth Paul Sa
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 Wurth Paul Sa filed Critical Wurth Paul Sa
Priority to LU90232A priority Critical patent/LU90232B1/en
Priority to AU27274/99A priority patent/AU2727499A/en
Priority to PCT/EP1999/001331 priority patent/WO1999053105A1/en
Application granted granted Critical
Publication of LU90232B1 publication Critical patent/LU90232B1/en

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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/567—Manufacture of steel by other methods operating in a continuous way
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/02—Shaft or like vertical or substantially vertical furnaces with two or more shafts or chambers, e.g. multi-storey
    • F27B1/025—Shaft or like vertical or substantially vertical furnaces with two or more shafts or chambers, e.g. multi-storey with fore-hearth
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
LU90232A 1998-04-08 1998-04-08 Manufacturing process of stainless steels and steels with high levels of alloying elements LU90232B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
LU90232A LU90232B1 (en) 1998-04-08 1998-04-08 Manufacturing process of stainless steels and steels with high levels of alloying elements
AU27274/99A AU2727499A (en) 1998-04-08 1999-03-01 Method for making stainless steel and steel with high alloy addition content in an electric furnace comprising two separate zones
PCT/EP1999/001331 WO1999053105A1 (en) 1998-04-08 1999-03-01 Method for making stainless steel and steel with high alloy addition content in an electric furnace comprising two separate zones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90232A LU90232B1 (en) 1998-04-08 1998-04-08 Manufacturing process of stainless steels and steels with high levels of alloying elements

Publications (1)

Publication Number Publication Date
LU90232B1 true LU90232B1 (en) 1999-10-11

Family

ID=19731746

Family Applications (1)

Application Number Title Priority Date Filing Date
LU90232A LU90232B1 (en) 1998-04-08 1998-04-08 Manufacturing process of stainless steels and steels with high levels of alloying elements

Country Status (3)

Country Link
AU (1) AU2727499A (en)
LU (1) LU90232B1 (en)
WO (1) WO1999053105A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118621084B (en) * 2024-08-02 2024-10-29 宝武重工有限公司 Scrap steel preheating device and preheating method based on continuous cathode plasma torch

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1508296A1 (en) * 1966-10-27 1969-05-29 Ver Deutsche Metallwerke Ag Process for melting down steel waste with basic contents of Cr, CrNi and CrNiMo
DE2155589A1 (en) * 1970-11-09 1972-05-10 Armco Steel Corp Process for producing a molten iron alloy
EP0240485A1 (en) * 1986-03-17 1987-10-07 VOEST-ALPINE Industrieanlagenbau GmbH Installation for producing steel from scrap
EP0721990A1 (en) * 1995-01-16 1996-07-17 KCT Technologie GmbH Method for producing alloyed steels
DE19621143A1 (en) * 1996-01-31 1997-08-07 Mannesmann Ag Process for the production of stainless steels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1508296A1 (en) * 1966-10-27 1969-05-29 Ver Deutsche Metallwerke Ag Process for melting down steel waste with basic contents of Cr, CrNi and CrNiMo
DE2155589A1 (en) * 1970-11-09 1972-05-10 Armco Steel Corp Process for producing a molten iron alloy
EP0240485A1 (en) * 1986-03-17 1987-10-07 VOEST-ALPINE Industrieanlagenbau GmbH Installation for producing steel from scrap
EP0721990A1 (en) * 1995-01-16 1996-07-17 KCT Technologie GmbH Method for producing alloyed steels
DE19621143A1 (en) * 1996-01-31 1997-08-07 Mannesmann Ag Process for the production of stainless steels

Also Published As

Publication number Publication date
WO1999053105A1 (en) 1999-10-21
AU2727499A (en) 1999-11-01

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