GB1358326A - Process for producing steels according to the oxygen top-blowing method - Google Patents

Process for producing steels according to the oxygen top-blowing method

Info

Publication number
GB1358326A
GB1358326A GB868072A GB868072A GB1358326A GB 1358326 A GB1358326 A GB 1358326A GB 868072 A GB868072 A GB 868072A GB 868072 A GB868072 A GB 868072A GB 1358326 A GB1358326 A GB 1358326A
Authority
GB
United Kingdom
Prior art keywords
slag
blowing
blowing method
time
steels according
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
GB868072A
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.)
Voestalpine AG
Voest AG
Original Assignee
Voestalpine AG
Voest AG
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 Voestalpine AG, Voest AG filed Critical Voestalpine AG
Publication of GB1358326A publication Critical patent/GB1358326A/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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

1358326 Steel production VEREINGTE OSTERREICHISCHE EISEN-UND STAHLWERKE AG 24 Feb 1972 [1 March 1971] 8680/72 Headings C7D and C7M In a steel producing process using atop blown converter, a fluid reactive slag is formed at any time up to the onset of blowing by adding 5-50 kg per metric ton (of metallic imput) of solid Cr 2 O 3 - free slag comprising by weight: - The additive has a grain size of 3-20 mm. Subsequently within a period of 5-20% of the total blowing time an amount of CaO is added as burut lime. The process is used for making soft, rimming, Cr-containing, deep-drawing steels. The slag used has a pyrometric cone fall point (Seger) between 1300‹C and 1370‹C, and a flow point below 1380‹C.
GB868072A 1971-03-01 1972-02-24 Process for producing steels according to the oxygen top-blowing method Expired GB1358326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT171371A AT319298B (en) 1971-03-01 1971-03-01 Process for the production of steel by the oxygen blowing process

Publications (1)

Publication Number Publication Date
GB1358326A true GB1358326A (en) 1974-07-03

Family

ID=3519368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB868072A Expired GB1358326A (en) 1971-03-01 1972-02-24 Process for producing steels according to the oxygen top-blowing method

Country Status (9)

Country Link
US (1) US3802866A (en)
AT (1) AT319298B (en)
BE (1) BE780017A (en)
DE (1) DE2208355A1 (en)
FR (1) FR2128488B1 (en)
GB (1) GB1358326A (en)
IT (1) IT947654B (en)
LU (1) LU64807A1 (en)
NL (1) NL7202308A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884678A (en) * 1974-02-04 1975-05-20 Jones & Laughlin Steel Corp Fluxes
US4746361A (en) * 1987-04-03 1988-05-24 Inland Steel Company Controlling dissolved oxygen content in molten steel
WO2008095329A1 (en) * 2007-01-31 2008-08-14 Institute Of Process Engineering, Chinese Academy Of Sciences An anti-oxidation coating for steel and method of protecting steel from oxidation
CN108842035A (en) * 2018-06-15 2018-11-20 甘肃酒钢集团宏兴钢铁股份有限公司 A kind of manufacturing method of steelmaking converter steel slag deoxidizing ball
CN113174456B (en) * 2021-04-28 2022-10-04 东北大学 Comprehensive utilization method for smelting reduction of high-iron red mud by bottom-top combined blowing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1783013B1 (en) * 1968-09-19 1970-10-29 Rheinische Kalksteinwerke Process for producing steel with high carbon and low phosphorus content by the blown oxygen process

Also Published As

Publication number Publication date
DE2208355A1 (en) 1972-09-14
FR2128488B1 (en) 1976-07-23
IT947654B (en) 1973-05-30
NL7202308A (en) 1972-09-05
LU64807A1 (en) 1972-07-04
FR2128488A1 (en) 1972-10-20
US3802866A (en) 1974-04-09
AT319298B (en) 1974-12-10
BE780017A (en) 1972-06-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee