ES535098A0 - PROCEDURE FOR ADDING CALCIUM TO A MELTED FERROUS MATERIAL BATH - Google Patents

PROCEDURE FOR ADDING CALCIUM TO A MELTED FERROUS MATERIAL BATH

Info

Publication number
ES535098A0
ES535098A0 ES535098A ES535098A ES535098A0 ES 535098 A0 ES535098 A0 ES 535098A0 ES 535098 A ES535098 A ES 535098A ES 535098 A ES535098 A ES 535098A ES 535098 A0 ES535098 A0 ES 535098A0
Authority
ES
Spain
Prior art keywords
procedure
ferrous material
adding calcium
material bath
melted
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.)
Granted
Application number
ES535098A
Other languages
Spanish (es)
Other versions
ES8700330A1 (en
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 US06/522,754 external-priority patent/US4481032A/en
Priority claimed from US06/522,753 external-priority patent/US4512800A/en
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of ES535098A0 publication Critical patent/ES535098A0/en
Publication of ES8700330A1 publication Critical patent/ES8700330A1/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/10—Making spheroidal graphite cast-iron
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • 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
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
ES535098A 1983-08-12 1984-08-10 Process and apparatus for adding calcium to a bath of molten ferrous material. Expired ES8700330A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/522,754 US4481032A (en) 1983-08-12 1983-08-12 Process for adding calcium to a bath of molten ferrous material
US06/522,753 US4512800A (en) 1983-08-12 1983-08-12 Wire injection apparatus

Publications (2)

Publication Number Publication Date
ES535098A0 true ES535098A0 (en) 1986-10-16
ES8700330A1 ES8700330A1 (en) 1986-10-16

Family

ID=27060927

Family Applications (3)

Application Number Title Priority Date Filing Date
ES535098A Expired ES8700330A1 (en) 1983-08-12 1984-08-10 Process and apparatus for adding calcium to a bath of molten ferrous material.
ES545813A Expired ES8607408A1 (en) 1983-08-12 1985-08-01 Process and apparatus for adding calcium to a bath of molten ferrous material.
ES545812A Expired ES8607407A1 (en) 1983-08-12 1985-08-01 Process and apparatus for adding calcium to a bath of molten ferrous material.

Family Applications After (2)

Application Number Title Priority Date Filing Date
ES545813A Expired ES8607408A1 (en) 1983-08-12 1985-08-01 Process and apparatus for adding calcium to a bath of molten ferrous material.
ES545812A Expired ES8607407A1 (en) 1983-08-12 1985-08-01 Process and apparatus for adding calcium to a bath of molten ferrous material.

Country Status (8)

Country Link
EP (1) EP0137618B1 (en)
JP (1) JPH0347909A (en)
KR (1) KR880000468B1 (en)
AU (1) AU550957B2 (en)
BR (1) BR8404033A (en)
DE (1) DE3472274D1 (en)
DK (1) DK386284A (en)
ES (3) ES8700330A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE456001B (en) * 1983-11-08 1988-08-29 Bind O Matic Ab BLOCK AND WAY TO MAKE THE SAME
WO1986004359A1 (en) * 1985-01-24 1986-07-31 Vallourec Method for treating liquid metals by using a calcium-containing coated wire
US4705261A (en) * 1986-11-28 1987-11-10 Pfizer Inc. Wire injection nozzle
FR2764905B1 (en) * 1997-06-23 1999-07-23 Pechiney Electrometallurgie PROCESS FOR TREATING MOLTEN LEAD WITH CALCIUM AND CALCIUM-BASED WIRE FOR SUCH TREATMENT
RU2152834C1 (en) * 1999-12-06 2000-07-20 Неретин Александр Алексеевич Method for making calcium wire
FR2871477B1 (en) 2004-06-10 2006-09-29 Affival Sa Sa WIRE FOURRE
US8221677B2 (en) * 2007-04-02 2012-07-17 Specialty Minerals (Michigan) Inc. Wire injection lance nozzle insert

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577837A (en) * 1949-10-29 1951-12-11 Lothar R Zifferer Introduction of magnesium into molten iron
FR2008407A1 (en) * 1968-05-13 1970-01-23 Nippon Kokan Kk
US3778250A (en) * 1969-02-26 1973-12-11 Jones & Laughlin Steel Corp Method for treating metallic melts
JPS4936086B1 (en) * 1969-03-07 1974-09-27
BE795333A (en) * 1972-03-01 1973-05-29 Thyssen Niederrhein Ag DESULFURATION PROCESS FOR FUSION STEEL AND POCKET FOR ITS IMPLEMENTATION
DE2607947C2 (en) * 1976-02-27 1985-03-14 Fried. Krupp Gmbh, 4300 Essen Loading device
DE2634282C2 (en) * 1976-07-28 1978-04-13 Mannesmann Ag, 4000 Duesseldorf Process for the continuous introduction of additives into a vessel filled with liquid metal
US4094666A (en) * 1977-05-24 1978-06-13 Metal Research Corporation Method for refining molten iron and steels
JPS5713115A (en) * 1980-06-26 1982-01-23 Komatsu Ltd Production of tough and strong free-cutting ca cast steel

Also Published As

Publication number Publication date
EP0137618B1 (en) 1988-06-22
ES545813A0 (en) 1986-06-16
DK386284D0 (en) 1984-08-10
AU3178384A (en) 1985-02-14
KR850001921A (en) 1985-04-10
ES8607407A1 (en) 1986-06-16
JPH0369966B2 (en) 1991-11-06
DE3472274D1 (en) 1988-07-28
EP0137618A3 (en) 1986-04-02
EP0137618A2 (en) 1985-04-17
JPH0347909A (en) 1991-02-28
KR880000468B1 (en) 1988-04-07
ES8607408A1 (en) 1986-06-16
DK386284A (en) 1985-02-13
AU550957B2 (en) 1986-04-10
BR8404033A (en) 1985-07-16
ES8700330A1 (en) 1986-10-16
ES545812A0 (en) 1986-06-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060704