CA1106621A - Method for producing improved metal castings by pneumatically refining the melt - Google Patents

Method for producing improved metal castings by pneumatically refining the melt

Info

Publication number
CA1106621A
CA1106621A CA300,003A CA300003A CA1106621A CA 1106621 A CA1106621 A CA 1106621A CA 300003 A CA300003 A CA 300003A CA 1106621 A CA1106621 A CA 1106621A
Authority
CA
Canada
Prior art keywords
melt
castings
gas
argon
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
CA300,003A
Other languages
English (en)
French (fr)
Inventor
Frank S. Death
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of CA1106621A publication Critical patent/CA1106621A/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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
    • 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
    • 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)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Continuous Casting (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
CA300,003A 1977-03-31 1978-03-30 Method for producing improved metal castings by pneumatically refining the melt Expired CA1106621A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78343177A 1977-03-31 1977-03-31
US783,431 1977-03-31

Publications (1)

Publication Number Publication Date
CA1106621A true CA1106621A (en) 1981-08-11

Family

ID=25129226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300,003A Expired CA1106621A (en) 1977-03-31 1978-03-30 Method for producing improved metal castings by pneumatically refining the melt

Country Status (21)

Country Link
JP (1) JPS6039729B2 (it)
AR (1) AR216787A1 (it)
AT (1) AT376454B (it)
AU (1) AU518013B2 (it)
BE (1) BE865518A (it)
BR (1) BR7801963A (it)
CA (1) CA1106621A (it)
CH (1) CH621953A5 (it)
DE (1) DE2813717A1 (it)
ES (1) ES468347A1 (it)
FI (1) FI780978A7 (it)
FR (1) FR2385467A1 (it)
GB (1) GB1603135A (it)
IT (1) IT1102498B (it)
MX (1) MX5384E (it)
NL (1) NL179300C (it)
NO (1) NO157606C (it)
NZ (1) NZ186831A (it)
SE (1) SE443373B (it)
TR (1) TR20268A (it)
ZA (1) ZA781814B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187102A (en) * 1978-08-24 1980-02-05 Union Carbide Corporation Method for controlling the temperature of the melt during pneumatic refining of steel
FR2448572B1 (fr) * 1979-02-09 1985-10-18 Pennsylvania Engineering Corp Procede d'obtention d'acier a basse teneur en carbone au convertisseur oxygene-argon
DE3347718C2 (de) * 1983-09-02 1986-05-28 Ulrich Dipl.-Ing. 5905 Freudenberg Glasmeyer Verfahren zur Herstellung von Stählen mit hohem Reinheitsgrad und geringen Gasgehalten in Stahlwerken und Stahlgießereien
JPS62138975U (it) * 1986-02-25 1987-09-02
DE4328045C2 (de) * 1993-08-20 2001-02-08 Ald Vacuum Techn Ag Verfahren zum Entkohlen von kohlenstoffhaltigen Metallschmelzen
DE102015105307A1 (de) * 2015-04-08 2016-10-13 Sms Group Gmbh Konverter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252790A (en) * 1956-06-27 1966-05-24 Union Carbide Corp Preparation of metals and alloys
FR1309507A (fr) * 1960-11-18 1962-11-16 Union Carbide Corp Procédé de décarburation des aciers à teneur élevée en chrome
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
FR2146900A1 (en) * 1971-07-23 1973-03-09 Creusot Loire Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
FR2173717A2 (en) * 1972-02-29 1973-10-12 Creusot Loire Decarburising chrome steels by blowing with diluted carbon - monoxide through double/triple feed tuyeres
DE2160999A1 (de) * 1971-12-09 1973-06-28 Maximilianshuette Eisenwerk Duese zum einleiten von sauerstoff mit einem schutzmedium in konvertergefaesse
FR2216362B1 (it) * 1973-02-07 1975-10-31 Creusot Loire
US3861888A (en) * 1973-06-28 1975-01-21 Union Carbide Corp Use of CO{HD 2 {B in argon-oxygen refining of molten metal
JPS51130604A (en) * 1975-05-08 1976-11-13 Nisshin Steel Co Ltd A steelmaking process with ar recycle-recovery system

Also Published As

Publication number Publication date
SE7803592L (sv) 1978-10-01
IT7848708A0 (it) 1978-03-31
CH621953A5 (en) 1981-03-13
AR216787A1 (es) 1980-01-31
AT376454B (de) 1984-11-26
FR2385467A1 (fr) 1978-10-27
IT1102498B (it) 1985-10-07
NO157606B (no) 1988-01-11
NL7803393A (nl) 1978-10-03
FR2385467B1 (it) 1982-03-05
FI780978A7 (fi) 1978-10-01
ES468347A1 (es) 1978-12-01
SE443373B (sv) 1986-02-24
JPS53131916A (en) 1978-11-17
NZ186831A (en) 1981-12-15
MX5384E (es) 1983-07-04
ATA226478A (de) 1984-04-15
GB1603135A (en) 1981-11-18
ZA781814B (en) 1979-03-28
AU518013B2 (en) 1981-09-10
BE865518A (fr) 1978-10-02
BR7801963A (pt) 1978-10-24
TR20268A (tr) 1980-12-08
JPS6039729B2 (ja) 1985-09-07
NO781100L (no) 1978-10-03
NO157606C (no) 1988-04-20
DE2813717A1 (de) 1978-10-05
AU3464678A (en) 1979-10-04
NL179300C (nl) 1986-08-18

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Legal Events

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