CA2014265A1 - Procede de fabrication d'acier allie de nuances variees - Google Patents

Procede de fabrication d'acier allie de nuances variees

Info

Publication number
CA2014265A1
CA2014265A1 CA002014265A CA2014265A CA2014265A1 CA 2014265 A1 CA2014265 A1 CA 2014265A1 CA 002014265 A CA002014265 A CA 002014265A CA 2014265 A CA2014265 A CA 2014265A CA 2014265 A1 CA2014265 A1 CA 2014265A1
Authority
CA
Canada
Prior art keywords
melt
process according
gas
carburization
steel
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002014265A
Other languages
English (en)
Inventor
Gerhard Gross
Marjan Velikonja
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2014265A1 publication Critical patent/CA2014265A1/fr
Abandoned legal-status Critical Current

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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CA002014265A 1989-04-13 1990-04-10 Procede de fabrication d'acier allie de nuances variees Abandoned CA2014265A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912061A DE3912061A1 (de) 1989-04-13 1989-04-13 Verfahren zur herstellung von legierten stahlmarken
DEP3912061.9 1989-04-13

Publications (1)

Publication Number Publication Date
CA2014265A1 true CA2014265A1 (fr) 1990-10-13

Family

ID=6378545

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002014265A Abandoned CA2014265A1 (fr) 1989-04-13 1990-04-10 Procede de fabrication d'acier allie de nuances variees

Country Status (5)

Country Link
EP (1) EP0392239A1 (fr)
JP (1) JPH02294421A (fr)
CA (1) CA2014265A1 (fr)
DE (1) DE3912061A1 (fr)
ZA (1) ZA902827B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19608530C2 (de) * 1996-02-09 1999-01-14 Eisenbau Essen Gmbh Verwendung von reinem CO¶2¶-Gas oder einem im wesentlichen CO¶2¶ enthaltenden Gas als Trägergas bei der Behandlung von Stahl in einem Lichtbogenofen
US9045805B2 (en) 2013-03-12 2015-06-02 Ati Properties, Inc. Alloy refining methods
DE102014011231A1 (de) * 2014-07-23 2016-01-28 Sms Group Gmbh Verfahren zur Nickel Pig Iron (NPI)- Entkohlung im AOD -Konverter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB809407A (en) * 1956-10-09 1959-02-25 Union Carbide Corp Process for alloying steel
US3861888A (en) * 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
FR2394610A1 (fr) * 1977-06-13 1979-01-12 Siderurgie Fse Inst Rech Procede d'alimentation en co2 liquide d'une tuyere d'affinage d'un metal liquide
DE2820555A1 (de) * 1978-05-11 1979-11-15 Basf Ag Verfahren zur behandlung von roheisen- und stahlschmelzen bzw. legierungen
DE3071404D1 (en) * 1979-06-29 1986-03-20 William H Moore Method of recycling steel scrap
HU196632B (en) * 1984-08-01 1988-12-28 Vasipari Kutato Fejleszto Process for producing high-purity steels

Also Published As

Publication number Publication date
JPH02294421A (ja) 1990-12-05
ZA902827B (en) 1991-01-30
EP0392239A1 (fr) 1990-10-17
DE3912061A1 (de) 1990-10-18

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Legal Events

Date Code Title Description
FZDE Dead