AU525023B2 - Carbon steel and low alloy steel with bottom blowing b.o.f. - Google Patents

Carbon steel and low alloy steel with bottom blowing b.o.f.

Info

Publication number
AU525023B2
AU525023B2 AU58590/80A AU5859080A AU525023B2 AU 525023 B2 AU525023 B2 AU 525023B2 AU 58590/80 A AU58590/80 A AU 58590/80A AU 5859080 A AU5859080 A AU 5859080A AU 525023 B2 AU525023 B2 AU 525023B2
Authority
AU
Australia
Prior art keywords
steel
low alloy
bottom blowing
carbon steel
alloy 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.)
Expired
Application number
AU58590/80A
Other versions
AU5859080A (en
Inventor
Shoji Anezaki
Takeyuki Hirata
Nobuyoshi Hiroki
Tsutomu Kajimoto
Katsukiyo Marukawa
Seiichi Masuda
Yusuyuki Tozaki
Minoru Ueda
Isao Yamazaki
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 JP54064223A external-priority patent/JPS6013402B2/en
Priority claimed from JP6422179A external-priority patent/JPS55158208A/en
Priority claimed from JP6422279A external-priority patent/JPS55158209A/en
Priority claimed from JP54084521A external-priority patent/JPS6023163B2/en
Priority claimed from JP54084522A external-priority patent/JPS6040486B2/en
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of AU5859080A publication Critical patent/AU5859080A/en
Application granted granted Critical
Publication of AU525023B2 publication Critical patent/AU525023B2/en
Anticipated expiration legal-status Critical
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
    • C21C5/35—Blowing from above and through the bath

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)
  • Treatment Of Steel In Its Molten State (AREA)
AU58590/80A 1979-05-24 1980-05-20 Carbon steel and low alloy steel with bottom blowing b.o.f. Expired AU525023B2 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP642231979 1979-05-24
JP54064223A JPS6013402B2 (en) 1979-05-24 1979-05-24 Steel refining equipment with gas circulation system
JP6422179A JPS55158208A (en) 1979-05-24 1979-05-24 Refining method of steel
JP6422279A JPS55158209A (en) 1979-05-24 1979-05-24 Composite blowing method of steel
JP642211979 1979-05-24
JP642221979 1979-05-24
JP54084521A JPS6023163B2 (en) 1979-07-03 1979-07-03 steel smelting method
JP54084522A JPS6040486B2 (en) 1979-07-03 1979-07-03 steel refining method
JP845211979 1979-07-03
JP845221979 1979-07-03

Publications (2)

Publication Number Publication Date
AU5859080A AU5859080A (en) 1980-11-27
AU525023B2 true AU525023B2 (en) 1982-10-14

Family

ID=27523828

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2829080A Pending AU2829080A (en) 1979-05-24 1980-05-20 Carbon steel and low alloy steel with bottom blowing b.o.f.
AU58590/80A Expired AU525023B2 (en) 1979-05-24 1980-05-20 Carbon steel and low alloy steel with bottom blowing b.o.f.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU2829080A Pending AU2829080A (en) 1979-05-24 1980-05-20 Carbon steel and low alloy steel with bottom blowing b.o.f.

Country Status (10)

Country Link
AT (1) AT377007B (en)
AU (2) AU2829080A (en)
BR (1) BR8003268A (en)
CA (1) CA1153560A (en)
DE (1) DE3019899C2 (en)
FR (1) FR2457325A1 (en)
GB (1) GB2054655B (en)
IT (1) IT1130459B (en)
LU (1) LU82481A1 (en)
NL (1) NL183413C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU574326B2 (en) * 1982-04-23 1988-07-07 Sumitomo Metal Industries Ltd. Converter lance for the oxygen-flux refining of molten iron to steel
AU589633B2 (en) * 1985-05-20 1989-10-19 Union Carbide Corporation Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623215A (en) * 1979-08-02 1981-03-05 Nippon Kokan Kk <Nkk> Converter steel making method
JPS5816013A (en) * 1981-07-17 1983-01-29 Kawasaki Steel Corp Operating method for top and bottom blown converter and top blowing lance for operation of top and bottom blown converter
NL8201269A (en) * 1982-03-26 1983-10-17 Hoogovens Groep Bv METHOD FOR MANUFACTURING STEEL IN A CONVERTER FROM CRUDE IRON AND SCRAP.
LU84390A1 (en) * 1982-09-27 1984-04-24 Arbed METHOD AND DEVICE FOR HEATING A STEEL BATH FILLED WITH SCRAP
JPS62136513A (en) * 1985-12-10 1987-06-19 Nippon Steel Corp Refining method by top and bottom blowing in converter
DE4328045C2 (en) * 1993-08-20 2001-02-08 Ald Vacuum Techn Ag Process for decarburizing carbon-containing metal melts
GB0209365D0 (en) 2002-04-24 2002-06-05 Boc Group Plc Injection of solids into liquids
GB0213376D0 (en) 2002-06-11 2002-07-24 Boc Group Plc Refining ferroalloys
US10781499B2 (en) 2018-01-17 2020-09-22 Air Products And Chemicals, Inc. Bottom stirring tuyere and method for a basic oxygen furnace
CN114275784B (en) * 2021-12-24 2023-05-19 上海大学 CO utilization 2 System and method for preparing CO gas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337736B (en) * 1973-02-12 1977-07-11 Voest Ag METHOD OF REFRESHING BIG IRON
FR2273873A1 (en) * 1974-06-07 1976-01-02 British Steel Corp Refining alloy steel - by top blowing with oxygen and introducing a fluid to agitate the melt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU574326B2 (en) * 1982-04-23 1988-07-07 Sumitomo Metal Industries Ltd. Converter lance for the oxygen-flux refining of molten iron to steel
AU589633B2 (en) * 1985-05-20 1989-10-19 Union Carbide Corporation Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining

Also Published As

Publication number Publication date
GB2054655A (en) 1981-02-18
IT1130459B (en) 1986-06-11
DE3019899C2 (en) 1986-04-30
LU82481A1 (en) 1980-10-08
AU2829080A (en) 1980-11-27
FR2457325A1 (en) 1980-12-19
NL183413B (en) 1988-05-16
CA1153560A (en) 1983-09-13
IT8067813A0 (en) 1980-05-23
NL183413C (en) 1988-10-17
GB2054655B (en) 1983-03-30
AT377007B (en) 1985-01-25
ATA277580A (en) 1984-06-15
DE3019899A1 (en) 1980-12-04
NL8003012A (en) 1980-11-26
FR2457325B1 (en) 1983-11-10
BR8003268A (en) 1980-12-30

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired