IN143021B - - Google Patents

Info

Publication number
IN143021B
IN143021B IN1978/CAL/74A IN1978CA1974A IN143021B IN 143021 B IN143021 B IN 143021B IN 1978CA1974 A IN1978CA1974 A IN 1978CA1974A IN 143021 B IN143021 B IN 143021B
Authority
IN
India
Application number
IN1978/CAL/74A
Other languages
English (en)
Inventor
L Norberg
K Oberg
Original Assignee
Uddeholms Ab
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 SE7316039A external-priority patent/SE397100B/sv
Priority claimed from SE7404473A external-priority patent/SE397202B/sv
Priority claimed from SE7404474A external-priority patent/SE401522B/sv
Priority claimed from SE7406840A external-priority patent/SE397203B/sv
Priority claimed from SE7407845A external-priority patent/SE401199B/sv
Application filed by Uddeholms Ab filed Critical Uddeholms Ab
Publication of IN143021B publication Critical patent/IN143021B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • 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
    • C21C5/34—Blowing 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
    • 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

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
IN1978/CAL/74A 1973-11-28 1974-09-03 IN143021B (sv)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE7316039A SE397100B (sv) 1973-11-28 1973-11-28 Sett for reduktion av metalloxid enligt patentet 7306894-2
SE7404473A SE397202B (sv) 1974-04-03 1974-04-03 Sett for reduktion av metalloxid enligt patentet 7306894-2
SE7404474A SE401522B (sv) 1974-04-03 1974-04-03 Sett vid genomforande av en metallurgisk process enligt patent 7316039-2
SE7406840A SE397203B (sv) 1974-05-22 1974-05-22 Sett for reduktion av metalloxid enligt patentet 7306894-2
SE7407845A SE401199B (sv) 1974-06-14 1974-06-14 Sett for framstellning av rostfritt stal enligt patentet 7316039-2

Publications (1)

Publication Number Publication Date
IN143021B true IN143021B (sv) 1977-09-24

Family

ID=27532737

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1978/CAL/74A IN143021B (sv) 1973-11-28 1974-09-03

Country Status (10)

Country Link
US (1) US3942978A (sv)
JP (1) JPS5530041B2 (sv)
CA (1) CA1040863A (sv)
DE (1) DE2443177C2 (sv)
FI (1) FI66203C (sv)
FR (1) FR2252414B1 (sv)
IN (1) IN143021B (sv)
IT (1) IT1025039B (sv)
LU (1) LU70867A1 (sv)
NO (1) NO743247L (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507961C3 (de) * 1975-02-25 1978-07-20 Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg Verfahren zum Herstellen von Stahl aus Roheisen
SE423721B (sv) * 1976-03-17 1982-05-24 Stora Kopparbergs Bergslags Ab Sett for framstellning av rastal genom direktreduktion
JPS5456015A (en) * 1977-10-12 1979-05-04 Nippon Steel Corp Manufacture of molten iron in converter
US4190435A (en) * 1978-10-25 1980-02-26 Uddeholms Aktiebolag Process for the production of ferro alloys
US4708738A (en) * 1986-04-01 1987-11-24 Union Carbide Corporation Method for refining very small heats of molten metal
US5182079A (en) * 1990-07-17 1993-01-26 Nelson & Associates Research, Inc. Metallic composition and processes for use of the same
US5055253A (en) * 1990-07-17 1991-10-08 Nelson & Associates Research, Inc. Metallic composition
US5505798A (en) * 1994-06-22 1996-04-09 Jerry L. Nelson Method of producing a tool or die steel
US20060228294A1 (en) * 2005-04-12 2006-10-12 Davis William H Process and apparatus using a molten metal bath
SE537146C2 (sv) * 2012-05-08 2015-02-17 Uvån Holding Ab Metod för selektiv oxidation av en eller flera metaller frånen järnsmälta
CN104498656B (zh) * 2014-12-15 2016-10-05 钢铁研究总院 直接利用粉矿熔融还原炼铁的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502259A (en) * 1946-12-12 1950-03-28 Air Reduction Method of eliminating carbon from and controlling the temperature of molten steel
US2593505A (en) * 1948-04-10 1952-04-22 Hydrocarbon Research Inc Metal refining process
DE1408183A1 (de) * 1957-11-30 1968-10-03 Huettenwerk Oberhausen Ag Verfahren zum Frischen von Roheisen
GB1148602A (en) * 1966-09-26 1969-04-16 Steel Co Of Wales Ltd Improvements in and relating to the treatment of metals

Also Published As

Publication number Publication date
FR2252414A1 (sv) 1975-06-20
FR2252414B1 (sv) 1980-07-04
FI66203B (fi) 1984-05-31
DE2443177C2 (de) 1984-12-06
DE2443177A1 (de) 1975-06-12
FI262374A (sv) 1975-05-29
AU7292974A (en) 1976-03-11
FI66203C (fi) 1984-09-10
IT1025039B (it) 1978-08-10
JPS5085511A (sv) 1975-07-10
JPS5530041B2 (sv) 1980-08-08
NO743247L (sv) 1975-06-23
CA1040863A (en) 1978-10-24
LU70867A1 (sv) 1975-01-02
US3942978A (en) 1976-03-09

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