FR2469460A1 - Procede de recuit des aciers - Google Patents

Procede de recuit des aciers

Info

Publication number
FR2469460A1
FR2469460A1 FR8023576A FR8023576A FR2469460A1 FR 2469460 A1 FR2469460 A1 FR 2469460A1 FR 8023576 A FR8023576 A FR 8023576A FR 8023576 A FR8023576 A FR 8023576A FR 2469460 A1 FR2469460 A1 FR 2469460A1
Authority
FR
France
Prior art keywords
steel
austenity
carbides
annealing process
steel annealing
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
FR8023576A
Other languages
English (en)
Other versions
FR2469460B1 (fr
Inventor
Gerald W Wilks
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.)
Lasalle Steel Co
Original Assignee
Lasalle Steel Co
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 Lasalle Steel Co filed Critical Lasalle Steel Co
Publication of FR2469460A1 publication Critical patent/FR2469460A1/fr
Application granted granted Critical
Publication of FR2469460B1 publication Critical patent/FR2469460B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing

Abstract

L'INVENTION CONCERNE L'INDUSTRIE DE LA METALLURGIE DE L'ACIER. PROCEDE DE RECUIT ACCELERE SELON LEQUEL ON CHAUFFE RAPIDEMENT L'ACIER JUSQU'A UNE TEMPERATURE SUPERIEURE A SA TEMPERATURE DE TRANSFORMATION SUPERIEURE, POUR CONVERTIR L'ACIER EN AUSTENITE ET EN CARBURES, PUIS ON REFROIDIT L'ACIER, LA VITESSE DU CHAUFFAGE DE L'ACIER ETANT TELLE QU'ON PROVOQUE LA DISSOLUTION DE LA PLUS GRANDE PARTIE DES CARBURES DANS L'AUSTENITE AINSI FORMEE, TOUT EN LAISSANT SUBSISTER DE PETITES PARTICULES DE CARBURE NON DISSOUS, EN QUANTITE SUFFISANTE POUR SERVIR DE NOYAUX DANS LA PRECIPITATION DES PRODUITS DE TRANSFORMATION SUPERIEURE. APPLICATION AU TRAITEMENT DES ACIERS HYPOEUTECTOIDES CONTENANT JUSQU'A 0,7 EN POIDS DE CARBONE OU MOINS, ET FAIBLEMENT ALLIES.
FR8023576A 1979-11-09 1980-11-05 Procede de recuit des aciers Granted FR2469460A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9300779A 1979-11-09 1979-11-09

Publications (2)

Publication Number Publication Date
FR2469460A1 true FR2469460A1 (fr) 1981-05-22
FR2469460B1 FR2469460B1 (fr) 1985-01-18

Family

ID=22236273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023576A Granted FR2469460A1 (fr) 1979-11-09 1980-11-05 Procede de recuit des aciers

Country Status (14)

Country Link
JP (1) JPS56139618A (fr)
AU (1) AU537333B2 (fr)
BE (1) BE886095A (fr)
BR (1) BR8007075A (fr)
CA (1) CA1151513A (fr)
CH (1) CH649313A5 (fr)
DE (1) DE3042067A1 (fr)
DK (1) DK154229C (fr)
ES (1) ES496654A0 (fr)
FR (1) FR2469460A1 (fr)
GB (1) GB2066850B (fr)
IT (1) IT1134136B (fr)
MX (1) MX154795A (fr)
SE (1) SE449008B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247415A2 (fr) * 1986-05-28 1987-12-02 Uddeholm Tooling Aktiebolag Produit en acier allié, porte-estampes et autres produits forgés et coulés fabriqués avec cet acier et procédé pour la fabrication du produit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023579B4 (de) * 2004-05-13 2014-04-03 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Verfahren zur Wärmebehandlung eines Fügeteils aus hochfestem Stahl

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2106124A5 (fr) * 1970-08-31 1972-04-28 Uss Eng & Consult
FR2220585A1 (fr) * 1972-03-07 1974-10-04 Licencia Talalmanyokat
FR2348274A1 (fr) * 1976-04-16 1977-11-10 Lasalle Steel Co Procede pour accroitre la resistance des aciers au carbone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4894618A (fr) * 1972-03-15 1973-12-05

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2106124A5 (fr) * 1970-08-31 1972-04-28 Uss Eng & Consult
FR2220585A1 (fr) * 1972-03-07 1974-10-04 Licencia Talalmanyokat
FR2348274A1 (fr) * 1976-04-16 1977-11-10 Lasalle Steel Co Procede pour accroitre la resistance des aciers au carbone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247415A2 (fr) * 1986-05-28 1987-12-02 Uddeholm Tooling Aktiebolag Produit en acier allié, porte-estampes et autres produits forgés et coulés fabriqués avec cet acier et procédé pour la fabrication du produit
EP0247415A3 (en) * 1986-05-28 1989-01-18 Uddeholm Tooling Aktiebolag Alloy steel product, die blocks and other forgings and castings made thereof and a method to manufacture the product

Also Published As

Publication number Publication date
SE8007767L (sv) 1981-05-10
IT8025723A0 (it) 1980-10-31
ES8202867A1 (es) 1982-02-16
DE3042067A1 (de) 1981-05-21
DK154229B (da) 1988-10-24
AU6351780A (en) 1981-05-14
DK154229C (da) 1989-03-20
GB2066850B (en) 1983-09-21
BR8007075A (pt) 1981-05-12
ES496654A0 (es) 1982-02-16
SE449008B (sv) 1987-03-30
CA1151513A (fr) 1983-08-09
GB2066850A (en) 1981-07-15
CH649313A5 (it) 1985-05-15
FR2469460B1 (fr) 1985-01-18
AU537333B2 (en) 1984-06-21
MX154795A (es) 1987-12-15
DK473080A (da) 1981-05-10
JPS56139618A (en) 1981-10-31
BE886095A (fr) 1981-03-02
IT1134136B (it) 1986-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse