ES2190514T3 - Producto siderurgico hecho de acero bainitico y proceso para fabricarlo. - Google Patents

Producto siderurgico hecho de acero bainitico y proceso para fabricarlo.

Info

Publication number
ES2190514T3
ES2190514T3 ES97402787T ES97402787T ES2190514T3 ES 2190514 T3 ES2190514 T3 ES 2190514T3 ES 97402787 T ES97402787 T ES 97402787T ES 97402787 T ES97402787 T ES 97402787T ES 2190514 T3 ES2190514 T3 ES 2190514T3
Authority
ES
Spain
Prior art keywords
siderurgico
manufacture
product made
section
sum
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 - Lifetime
Application number
ES97402787T
Other languages
English (en)
Inventor
Jacques Bellus
Gilles Pierson
Claude Pichard
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.)
Ascometal SA
Original Assignee
Ascometal SA
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 Ascometal SA filed Critical Ascometal SA
Application granted granted Critical
Publication of ES2190514T3 publication Critical patent/ES2190514T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite

Abstract

PRODUCTO SIDERURGICO DE ACERO QUE TIENE UNA ESTRUCTURA BAINITICA Y, A 20 UNA RELACION DE LIMITE DE ELASTICIDAD A RESISTENCIA A LA TRACCION RP0,2 / RM 0,78, UNA ESTRICCION Z 55 % Y UNA RESILIENCIA MESNAGER KM 45 J/CM SUP,2}; LA COMPOSICION QUIMICA DEL ACERO COMPRENDE, EN PESO: 0,06 % C 0,11 % ; 1 % MN 1,7 % ; 0,15 % SI 0,40 % ; 0,025 % S 0,10 % ; P 0,025 % ; 0 % NI 0,25 % ; 0,5 % CR 1,20 % ; 0,08 % MO 0,13 % ; 0 % CU 0,25 % ; 0,003 % AL 0,035 % ; 0 % TI 0,035 % ; 0 % V 0,10 % ; 0 % NB 0,06 % ; 0,0008 % B 0,0040 % ; 0,0060 % N 0,011 % ; EVENTUALMENTE, UNO O VARIOS ELEMENTOS ELEGIDOS ENTRE TE HASTA 0,010 %, SE HASTA 0,025 %, BI HASTA 0,013 %, PB HASTA 0,090 %, CA HASTA 0,0040 %, SIENDO EL RESTO HIERRO E IMPUREZAS RESULTANTES DE LA ELABORACION. LA COMPOSICION QUIMICA SATISFACE ADEMAS LAS RELACIONES MN + CR + MO 2,1 % ; 0,015 V + NB + TI 0,13 %; AL + TI 0,020 % ; MN/S 12. PROCEDIMIENTO PARA LA FABRICACION DEL PRODUCTO SIDERURGICO.
ES97402787T 1996-11-26 1997-11-20 Producto siderurgico hecho de acero bainitico y proceso para fabricarlo. Expired - Lifetime ES2190514T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9614434A FR2756298B1 (fr) 1996-11-26 1996-11-26 Acier et procede pour la fabrication d'une piece de mecanique ayant une structure bainitique

Publications (1)

Publication Number Publication Date
ES2190514T3 true ES2190514T3 (es) 2003-08-01

Family

ID=9498012

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97402787T Expired - Lifetime ES2190514T3 (es) 1996-11-26 1997-11-20 Producto siderurgico hecho de acero bainitico y proceso para fabricarlo.

Country Status (6)

Country Link
EP (1) EP0845544B1 (es)
AT (1) ATE230443T1 (es)
DE (1) DE69718132T2 (es)
ES (1) ES2190514T3 (es)
FR (1) FR2756298B1 (es)
NO (1) NO975392L (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802607B1 (fr) 1999-12-15 2002-02-01 Inst Francais Du Petrole Conduite flexible comportant des armures en acier bas carbone
FR2807068B1 (fr) * 2000-03-29 2002-10-11 Usinor Acier lamine a chaud a tres haute limite d'elasticite et resistance mecanique utilisable notamment pour la realisation de piece de vehicules automobiles
JP2003096534A (ja) * 2001-07-19 2003-04-03 Mitsubishi Heavy Ind Ltd 高強度耐熱鋼、高強度耐熱鋼の製造方法、及び高強度耐熱管部材の製造方法
EP2309012B1 (en) * 2003-09-30 2012-09-12 Nippon Steel Corporation High yield ratio and high-strength cold rolled thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized cold rolled thin steel sheet, high-yield ratio high-strength hot-dip galvannealed cold rolled thin steel sheet, and methods of production of same
SI2103704T1 (sl) 2008-03-10 2012-11-30 Swiss Steel Ag Vroče valjani dolg proizvod in postopek za njegovo izdelavo
FR2958660B1 (fr) * 2010-04-07 2013-07-19 Ascometal Sa Acier pour pieces mecaniques a hautes caracteristiques et son procede de fabrication.
EP2453026A1 (de) 2010-11-10 2012-05-16 Swiss Steel AG Warmumgeformtes Stahlprodukt und Verfahren zu dessen Herstellung
WO2013117953A1 (en) * 2012-02-10 2013-08-15 Ascometal Process for making a steel part, and steel part so obtained
US20160138142A1 (en) 2014-11-18 2016-05-19 Air Liquide Large Industries U.S. Lp Materials of construction for use in high pressure hydrogen storage in a salt cavern

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524932A (en) * 1978-08-08 1980-02-22 Nippon Steel Corp Manufacture of bainite tough hardening steel
JPS59110721A (ja) * 1982-12-14 1984-06-26 Nippon Steel Corp 硫化物応力腐食割れ抵抗性に優れた低合金高張力鋼の製造方法
DE3571254D1 (en) * 1985-02-16 1989-08-03 Ovako Oy Method and steel alloy for producing high-strength hot forgings
GB8603500D0 (en) * 1986-02-13 1986-03-19 Hunting Oilfield Services Ltd Steel alloys
JPH0565540A (ja) * 1991-09-10 1993-03-19 Nissan Motor Co Ltd 高強度ボルトの製造方法
FR2685708B1 (fr) * 1991-12-30 1994-07-22 Ascometal Sa Produit long pour la fabrication par formage a froid, notamment par frappe a froid, de produits elabores tels que des boulons et procede de fabrication d'un produit a froid.
JPH06248341A (ja) * 1993-02-23 1994-09-06 Sumitomo Metal Ind Ltd 非調質鋼からの高強度高靱性鋼の製造方法
FR2741632B1 (fr) * 1995-11-27 1997-12-26 Ascometal Sa Acier pour la fabrication d'une piece forgee ayant une structure bainitique et procede de fabrication d'une piece

Also Published As

Publication number Publication date
FR2756298B1 (fr) 1998-12-24
NO975392D0 (no) 1997-11-24
EP0845544A1 (fr) 1998-06-03
FR2756298A1 (fr) 1998-05-29
DE69718132T2 (de) 2003-10-09
ATE230443T1 (de) 2003-01-15
NO975392L (no) 1998-05-27
DE69718132D1 (de) 2003-02-06
EP0845544B1 (fr) 2003-01-02

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