AU467460B2 - Process for refining alloy steels containing chromium - Google Patents

Process for refining alloy steels containing chromium

Info

Publication number
AU467460B2
AU467460B2 AU41733/72A AU4173372A AU467460B2 AU 467460 B2 AU467460 B2 AU 467460B2 AU 41733/72 A AU41733/72 A AU 41733/72A AU 4173372 A AU4173372 A AU 4173372A AU 467460 B2 AU467460 B2 AU 467460B2
Authority
AU
Australia
Prior art keywords
containing chromium
alloy steels
steels containing
refining alloy
refining
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.)
Expired
Application number
AU41733/72A
Other versions
AU4173372A (en
Inventor
I. Erny Pierre
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.)
Creusot Loire SA
Original Assignee
Creusot Loire 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
Priority claimed from FR7119463A external-priority patent/FR2139642A1/en
Priority claimed from FR7127016A external-priority patent/FR2147795A1/en
Priority claimed from FR7127015A external-priority patent/FR2146900A1/en
Priority claimed from FR7206824A external-priority patent/FR2173717A2/en
Application filed by Creusot Loire SA filed Critical Creusot Loire SA
Publication of AU4173372A publication Critical patent/AU4173372A/en
Application granted granted Critical
Publication of AU467460B2 publication Critical patent/AU467460B2/en
Expired 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
    • C21C5/005—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
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel

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)
AU41733/72A 1971-05-28 1972-05-01 Process for refining alloy steels containing chromium Expired AU467460B2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
FRFR71-19463 1971-05-28
FR7119463A FR2139642A1 (en) 1971-05-28 1971-05-28 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
FR7127016A FR2147795A1 (en) 1971-07-23 1971-07-23 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
FRFR71-27016 1971-07-23
FR7127015A FR2146900A1 (en) 1971-07-23 1971-07-23 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
FR7206824A FR2173717A2 (en) 1972-02-29 1972-02-29 Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
FRFR72-06824 1972-02-29

Publications (2)

Publication Number Publication Date
AU4173372A AU4173372A (en) 1973-11-08
AU467460B2 true AU467460B2 (en) 1975-12-04

Family

ID=27446111

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41733/72A Expired AU467460B2 (en) 1971-05-28 1972-05-01 Process for refining alloy steels containing chromium

Country Status (9)

Country Link
US (1) US3844768A (en)
JP (2) JPS5147133B1 (en)
AU (1) AU467460B2 (en)
BE (1) BE781241A (en)
CA (1) CA971755A (en)
DE (1) DE2215435B2 (en)
GB (1) GB1354853A (en)
IT (1) IT954593B (en)
LU (1) LU65052A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139370A (en) * 1972-01-13 1979-02-13 Gesellschaft Fur Elektrometallurgie Mbh Method of refining ferro-alloys
US3990888A (en) * 1972-10-06 1976-11-09 Uddeholms Aktiebolag Decarburization of a metal melt
FR2291287A2 (en) * 1974-11-13 1976-06-11 Creusot Loire BLOWING METHOD WITH A VIEW TO OBTAINING VERY LOW CARBON CONTENTS IN CHROME STEELS
US3985550A (en) * 1975-01-23 1976-10-12 United States Steel Corporation Method of producing low sulfur steel
DE2504946C2 (en) * 1975-02-06 1980-04-30 Kloeckner-Werke Ag, 4100 Duisburg Method and device for melting down scrap, sponge iron, pellets or the like
US4138098A (en) * 1975-08-14 1979-02-06 Creusot-Loire Method of blowing smelting shaft furnaces and tuyeres used for said blowing
US4023676A (en) * 1976-09-20 1977-05-17 Armco Steel Corporation Lance structure and method for oxygen refining of molten metal
US4218049A (en) * 1978-07-17 1980-08-19 Pennsylvania Engineering Corporation Metallurgical vessel
DE2924761A1 (en) * 1979-06-20 1981-01-22 Kloeckner Humboldt Deutz Ag METHOD AND DEVICE FOR GENERATING A CONVECTIVE REACTION SYSTEM BETWEEN A REACTION MEDIUM AND A MELT BATH
DE3045966A1 (en) * 1980-12-05 1982-07-08 Korf Industrie Und Handel Gmbh + Co Kg, 7570 Baden-Baden METHOD FOR PROTECTING THE NOZZLES AND THE FIRE-RESISTANT LINING OF A VESSEL TO FRESH A METAL MELT
JPS5871343A (en) * 1981-10-22 1983-04-28 Kobe Steel Ltd Nozzle for blowing of gas provided in molten metal vessel
US4401466A (en) * 1981-11-30 1983-08-30 Korf Technologies, Inc. Process for protection of nozzles and refractory lining of a vessel for refining molten metal
US4657586A (en) * 1985-10-25 1987-04-14 Union Carbide Corporation Submerged combustion in molten materials
US4783219A (en) * 1985-11-13 1988-11-08 Nippon Kokan Kabushiki Kaisha Method for melting and reducing chrome ore
JPS62167811A (en) * 1986-01-20 1987-07-24 Nippon Kokan Kk <Nkk> Melt reduction steel making method
JPH0297611A (en) * 1988-09-30 1990-04-10 Nippon Steel Corp Method for melting cold iron source
US5366537A (en) * 1993-01-05 1994-11-22 Steel Technology Corporation Fuel and oxygen addition for metal smelting or refining process
SE501381C2 (en) * 1993-05-14 1995-01-30 Stiftelsen Metallurg Forsk Ways to control bath temperature during converter operation
US5435833A (en) * 1993-09-30 1995-07-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process to convert non-ferrous metal such as copper or nickel by oxygen enrichment
KR100948927B1 (en) * 2007-08-29 2010-03-23 주식회사 포스코 Tuyere for manufacturing molten iron and method for injecting gas using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003865A (en) * 1959-09-10 1961-10-10 Cameron Iron Works Inc Decarburizing process for alloy steels containing chromium
BE610265A (en) * 1960-11-18
NL296346A (en) * 1962-08-07
GB1148602A (en) * 1966-09-26 1969-04-16 Steel Co Of Wales Ltd Improvements in and relating to the treatment of metals
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
US3725041A (en) * 1970-09-25 1973-04-03 Allegheny Ludlum Ind Inc Deoxidizing metal

Also Published As

Publication number Publication date
DE2215435B2 (en) 1973-07-05
US3844768A (en) 1974-10-29
CA971755A (en) 1975-07-29
DE2215435A1 (en) 1973-01-04
BE781241A (en) 1972-07-17
IT954593B (en) 1973-09-15
JPS50110923A (en) 1975-09-01
LU65052A1 (en) 1972-07-11
AU4173372A (en) 1973-11-08
JPS5147133B1 (en) 1976-12-13
GB1354853A (en) 1974-06-05

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