FR2408661A1 - Procede de production d'aciers resulfures - Google Patents

Procede de production d'aciers resulfures

Info

Publication number
FR2408661A1
FR2408661A1 FR7826591A FR7826591A FR2408661A1 FR 2408661 A1 FR2408661 A1 FR 2408661A1 FR 7826591 A FR7826591 A FR 7826591A FR 7826591 A FR7826591 A FR 7826591A FR 2408661 A1 FR2408661 A1 FR 2408661A1
Authority
FR
France
Prior art keywords
resulfured
steel
production process
steel production
calcium
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
FR7826591A
Other languages
English (en)
Other versions
FR2408661B1 (fr
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.)
British Steel Corp
Original Assignee
British Steel 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 British Steel Corp filed Critical British Steel Corp
Publication of FR2408661A1 publication Critical patent/FR2408661A1/fr
Application granted granted Critical
Publication of FR2408661B1 publication Critical patent/FR2408661B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

L'INVENTION A POUR OBJET LA PRODUCTION D'UN ACIER RESULFURE POSSEDANT UNE MEILLEURE APTITUDE A L'USINAGE ET CONTENANT DE 0,05 A 0,20 DE SOUFRE EN POIDS. ON AJOUTE A UN BAIN D'ACIER EN FUSION UN METAL ALCALINO-TERREUX (PAR EXEMPLE LE CALCIUM OU UN ALLIAGE CONTENANT DU CALCIUM) POSSEDANT UNE GRANDE AFFINITE POUR LE SOUFRE, EN UNE QUANTITE SUFFISANTE POUR OBTENIR DANS L'ACIER, APRES SOLIDIFICATION, DES INCLUSIONS GLOBULAIRES ISOLEES DE SULFURE, L'ADDITION DE CALCIUM ETANT DE 0,02 A 0,20 EN POIDS.
FR7826591A 1977-09-15 1978-09-15 Procede de production d'aciers resulfures Expired FR2408661B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3855077 1977-09-15

Publications (2)

Publication Number Publication Date
FR2408661A1 true FR2408661A1 (fr) 1979-06-08
FR2408661B1 FR2408661B1 (fr) 1985-09-13

Family

ID=10404202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7826591A Expired FR2408661B1 (fr) 1977-09-15 1978-09-15 Procede de production d'aciers resulfures

Country Status (5)

Country Link
US (1) US4180397A (fr)
DE (1) DE2839637A1 (fr)
FR (1) FR2408661B1 (fr)
GB (1) GB2008154B (fr)
IT (1) IT1109115B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542761A1 (fr) * 1983-03-15 1984-09-21 Vallourec Procede de fabrication d'aciers a haute usinabilite

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE447580B (sv) * 1979-04-30 1986-11-24 Scandinavian Lancers Injektionsmetallurgiskt forfarande vid framstellning av aluminiumtetade stal med lag kol- och kiselhalt
US4286984A (en) * 1980-04-03 1981-09-01 Luyckx Leon A Compositions and methods of production of alloy for treatment of liquid metals
US4444590A (en) * 1983-03-28 1984-04-24 Esm Incorporated Calcium-slag additive for steel desulfurization and method for making same
FR2682686B1 (fr) * 1991-10-17 1994-07-01 Vallourec Ind Acier au carbonne-manganese destine notamment au decolletage.
US5397379A (en) * 1993-09-22 1995-03-14 Oglebay Norton Company Process and additive for the ladle refining of steel
US6179895B1 (en) 1996-12-11 2001-01-30 Performix Technologies, Ltd. Basic tundish flux composition for steelmaking processes
IT1296821B1 (it) * 1997-12-01 1999-08-02 Lucchini Centro Ricerche E Svi Acciaio automatico al carbonio a lavorabilita' migliorata

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321644B2 (de) * 1973-04-28 1976-06-10 Verfahren zum entschwefeln von stahlschmelzen
US3929464A (en) * 1973-08-31 1975-12-30 Union Carbide Corp Desulfurization of molten ferrous metals
JPS5412083B2 (fr) * 1974-02-23 1979-05-19
DE2419070B2 (de) * 1974-04-20 1976-03-04 Thyssen Niederrhein AG Hütten- und Walzwerke, 4200 Oberhausen Verfahren zur herstellung von stahl mit erhoehten zaehigkeitseigenschaften
DE2419176B2 (de) * 1974-04-20 1976-02-26 Thyssen Niederrhein AG Hütten- und Walzwerke, 4200 Oberhausen Verfahren zum einbringen von erdalkali-behandlungsmitteln in stahlschmelzen
FR2287521A1 (fr) * 1974-10-11 1976-05-07 Ugine Aciers Acier de decolletage
US4066444A (en) * 1974-11-09 1978-01-03 Klockner-Werke Ag Process for deoxidizing steel by means of molten aluminum
US3998625A (en) * 1975-11-12 1976-12-21 Jones & Laughlin Steel Corporation Desulfurization method
JPS5261115A (en) * 1975-11-14 1977-05-20 Aikoh Co Magnesium base iron melt treating material
JPS5261110A (en) * 1975-11-14 1977-05-20 Aikoh Co Desulfurization of iron melt
DE2636400A1 (de) * 1976-08-11 1978-02-16 Mannesmann Ag Verfahren zur verbesserung der kristallstruktur von im strang abgegossenem stahl

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542761A1 (fr) * 1983-03-15 1984-09-21 Vallourec Procede de fabrication d'aciers a haute usinabilite
EP0123632A1 (fr) * 1983-03-15 1984-10-31 Vallourec Procédé de fabrication d'aciers à haute usinabilité

Also Published As

Publication number Publication date
GB2008154B (en) 1982-04-07
US4180397A (en) 1979-12-25
FR2408661B1 (fr) 1985-09-13
IT1109115B (it) 1985-12-16
GB2008154A (en) 1979-05-31
DE2839637A1 (de) 1979-03-22
IT7869137A0 (it) 1978-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse