FR2372897A1 - Agents de traitement contenant du magnesium, notamment pour la production de fonte nodulaire - Google Patents

Agents de traitement contenant du magnesium, notamment pour la production de fonte nodulaire

Info

Publication number
FR2372897A1
FR2372897A1 FR7736663A FR7736663A FR2372897A1 FR 2372897 A1 FR2372897 A1 FR 2372897A1 FR 7736663 A FR7736663 A FR 7736663A FR 7736663 A FR7736663 A FR 7736663A FR 2372897 A1 FR2372897 A1 FR 2372897A1
Authority
FR
France
Prior art keywords
cast iron
production
magnesium
nodular cast
degrees
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
FR7736663A
Other languages
English (en)
Other versions
FR2372897B1 (fr
Inventor
John Robert Mclaughlin
Michael David Bryant
Manfred Fessel
Kenneth Clark Taylor
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.)
Foseco International Ltd
Original Assignee
Foseco International 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 GB50847/76A external-priority patent/GB1565256A/en
Application filed by Foseco International Ltd filed Critical Foseco International Ltd
Publication of FR2372897A1 publication Critical patent/FR2372897A1/fr
Application granted granted Critical
Publication of FR2372897B1 publication Critical patent/FR2372897B1/fr
Granted 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
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for 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
    • C21C1/105—Nodularising additive agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

Agent de traitement qui est un mélange tassé comprenant du fer, du magnésium et du calcium en particules. magnésium est Il est caractérisé en ce que : 1 degrés la teneur en magnésium est de 5 % à 15 % en poids, 2 degrés le rapport pondéral du magnésium au calcium est compris entre 1 : 1 et : 1, 3 degrés le fer a une pureté d'au moins 95 % en poids et une dimension de particule inférieure à 0,5 mm, et 4 degrés le mélange est tassé en un corps de masse volumique d'au moins 4,3 g/cm**3. Production de fonte nodulaire, désoxydation de l'acier et désulfuration de la fonte.
FR7736663A 1976-12-06 1977-12-06 Agents de traitement contenant du magnesium, notamment pour la production de fonte nodulaire Granted FR2372897A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB50847/76A GB1565256A (en) 1976-12-06 1976-12-06 Magnesium-containing treatment agents for iron and steel
GB580777 1977-02-11

Publications (2)

Publication Number Publication Date
FR2372897A1 true FR2372897A1 (fr) 1978-06-30
FR2372897B1 FR2372897B1 (fr) 1980-05-16

Family

ID=26240168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736663A Granted FR2372897A1 (fr) 1976-12-06 1977-12-06 Agents de traitement contenant du magnesium, notamment pour la production de fonte nodulaire

Country Status (20)

Country Link
US (1) US4173466A (fr)
JP (1) JPS53124112A (fr)
AR (1) AR215278A1 (fr)
AT (1) AT366421B (fr)
BR (1) BR7708098A (fr)
CA (1) CA1076847A (fr)
CH (1) CH632296A5 (fr)
DD (1) DD134650A5 (fr)
DE (1) DE2753282C2 (fr)
DK (1) DK540777A (fr)
FI (1) FI63258C (fr)
FR (1) FR2372897A1 (fr)
IN (1) IN147621B (fr)
IT (1) IT1093038B (fr)
MX (1) MX151882A (fr)
NL (1) NL7713488A (fr)
NO (1) NO149433C (fr)
PH (1) PH13766A (fr)
SE (1) SE442212B (fr)
TR (1) TR20654A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486099A1 (fr) * 1979-12-19 1982-01-08 Foseco Int Agent de traitement et procede de fabrication de fonte a graphite vermiculaire

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948636A1 (de) * 1979-12-04 1981-06-11 Metallgesellschaft Ag, 6000 Frankfurt Drahtfoermiges mittel zum behandeln von metallschmelzen
US4313758A (en) * 1980-10-01 1982-02-02 Union Carbide Corporation Method for adding unalloyed magnesium metal to molten cast iron
US4705561A (en) * 1986-01-27 1987-11-10 The Dow Chemical Company Magnesium calcium oxide composite
US6352570B1 (en) 2000-04-10 2002-03-05 Rossborough Manufacturing Co., Lp Magnesium desulfurization agent
US6372014B1 (en) 2000-04-10 2002-04-16 Rossborough Manufacturing Co. L.P. Magnesium injection agent for ferrous metal
US6350295B1 (en) 2001-06-22 2002-02-26 Clayton A. Bulan, Jr. Method for densifying aluminum and iron briquettes and adding to steel
US6989040B2 (en) * 2002-10-30 2006-01-24 Gerald Zebrowski Reclaimed magnesium desulfurization agent
US7731778B2 (en) * 2006-03-27 2010-06-08 Magnesium Technologies Corporation Scrap bale for steel making process
US20080196548A1 (en) * 2007-02-16 2008-08-21 Magnesium Technologies Corporation Desulfurization puck
NO20161094A1 (en) * 2016-06-30 2018-01-01 Elkem As Cast Iron Inoculant and Method for Production of Cast Iron Inoculant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1922037A (en) * 1930-06-28 1933-08-15 Hardy Metallurg Company Treatment of metals
US2762705A (en) * 1953-01-23 1956-09-11 Int Nickel Co Addition agent and process for producing magnesium-containing cast iron
US2837422A (en) * 1955-08-27 1958-06-03 Metallgesellschaft Ag Addition agents for the treatment of molten cast iron
GB799972A (en) * 1955-08-27 1958-08-13 Metallgesellschaft Ag Addition agents for the treatment of molten cast iron
US3459541A (en) * 1966-09-22 1969-08-05 Gen Motors Corp Process for making nodular iron
SE321095B (fr) * 1967-06-08 1970-02-23 Jaernfoeraedling Ab
DE1302000B (de) * 1968-03-21 1969-09-25 Elektrometallurgie Gmbh Brikett zum Einbringen von Magnesium in metallische Schmelzen
BE789056A (fr) * 1971-09-23 1973-01-15 Ranke Robert L Procede et briquettes pour rendre la fonte
GB1364859A (en) * 1972-08-09 1974-08-29 Foseco Int Deoxydising steel
SE406930B (sv) * 1973-05-28 1979-03-05 Pont A Mousson Forfarande for nodularisering av grafit i smelt gjutjern med modulariseringsmedel i form av pelleter
US3953198A (en) * 1973-08-03 1976-04-27 N L Industries, Inc. Method for treating molten iron using a magnesium infiltrated metal network
JPS5144085A (en) * 1974-10-10 1976-04-15 Reisaku Izawa Wantatsuchishiki oyobi kaatoritsujishikinerihamigakyoki
GB1515201A (en) * 1976-02-10 1978-06-21 British Cast Iron Res Ass Cast iron

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486099A1 (fr) * 1979-12-19 1982-01-08 Foseco Int Agent de traitement et procede de fabrication de fonte a graphite vermiculaire

Also Published As

Publication number Publication date
NO774154L (no) 1978-06-07
CA1076847A (fr) 1980-05-06
PH13766A (en) 1980-09-18
FI63258C (fi) 1983-05-10
AR215278A1 (es) 1979-09-28
SE7713774L (sv) 1978-06-07
DE2753282C2 (de) 1984-05-30
BR7708098A (pt) 1978-09-05
SE442212B (sv) 1985-12-09
FI63258B (fi) 1983-01-31
CH632296A5 (de) 1982-09-30
AT366421B (de) 1982-04-13
DK540777A (da) 1978-06-07
IN147621B (fr) 1980-05-03
TR20654A (tr) 1982-03-25
NO149433B (no) 1984-01-09
DE2753282A1 (de) 1978-06-08
DD134650A5 (de) 1979-03-14
US4173466A (en) 1979-11-06
NL7713488A (nl) 1978-06-08
FR2372897B1 (fr) 1980-05-16
MX151882A (es) 1985-04-23
JPS5654363B2 (fr) 1981-12-25
NO149433C (no) 1984-04-18
IT1093038B (it) 1985-07-19
ATA874877A (de) 1981-08-15
JPS53124112A (en) 1978-10-30
FI773645A (fi) 1978-06-07

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Legal Events

Date Code Title Description
ST Notification of lapse