DE69718132T2 - Stahlprodukt aus bainitischem Stahl sowie Verfahren zur Herstellung des Stahlproduktes - Google Patents

Stahlprodukt aus bainitischem Stahl sowie Verfahren zur Herstellung des Stahlproduktes

Info

Publication number
DE69718132T2
DE69718132T2 DE69718132T DE69718132T DE69718132T2 DE 69718132 T2 DE69718132 T2 DE 69718132T2 DE 69718132 T DE69718132 T DE 69718132T DE 69718132 T DE69718132 T DE 69718132T DE 69718132 T2 DE69718132 T2 DE 69718132T2
Authority
DE
Germany
Prior art keywords
steel
steel product
bainitic
producing
section
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 - Fee Related
Application number
DE69718132T
Other languages
English (en)
Other versions
DE69718132D1 (de
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 PUTEAUX
Original Assignee
ASCOMETAL PUTEAUX
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 PUTEAUX filed Critical ASCOMETAL PUTEAUX
Publication of DE69718132D1 publication Critical patent/DE69718132D1/de
Application granted granted Critical
Publication of DE69718132T2 publication Critical patent/DE69718132T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE69718132T 1996-11-26 1997-11-20 Stahlprodukt aus bainitischem Stahl sowie Verfahren zur Herstellung des Stahlproduktes Expired - Fee Related DE69718132T2 (de)

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 (2)

Publication Number Publication Date
DE69718132D1 DE69718132D1 (de) 2003-02-06
DE69718132T2 true DE69718132T2 (de) 2003-10-09

Family

ID=9498012

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69718132T Expired - Fee Related DE69718132T2 (de) 1996-11-26 1997-11-20 Stahlprodukt aus bainitischem Stahl sowie Verfahren zur Herstellung des Stahlproduktes

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016081564A1 (en) * 2014-11-18 2016-05-26 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Materials of construction for use in high pressure hydrogen storage in a salt cavern

Families Citing this family (8)

* 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
CA2747654C (en) * 2003-09-30 2015-04-21 Nippon Steel Corporation High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same
EP2103704B1 (de) 2008-03-10 2012-07-11 Swiss Steel AG Warmgewalztes Langprodukt und Verfahren zu dessen Herstellung
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
EP2812455A1 (de) * 2012-02-10 2014-12-17 Ascometal Verfahren zur herstellung eines stahlteils und in diesem verfahren hergestelltes teil

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
ATE44290T1 (de) * 1985-02-16 1989-07-15 Ovako Oy Verfahren und legierter stahl zum herstellen hochfester schmiedestuecke.
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016081564A1 (en) * 2014-11-18 2016-05-26 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Materials of construction for use in high pressure hydrogen storage in a salt cavern
US9399810B2 (en) 2014-11-18 2016-07-26 Air Liquide Large Industries U.S. Lp Materials of construction for use in high pressure hydrogen storage in a salt cavern

Also Published As

Publication number Publication date
EP0845544B1 (de) 2003-01-02
FR2756298B1 (fr) 1998-12-24
DE69718132D1 (de) 2003-02-06
EP0845544A1 (de) 1998-06-03
NO975392L (no) 1998-05-27
NO975392D0 (no) 1997-11-24
FR2756298A1 (fr) 1998-05-29
ES2190514T3 (es) 2003-08-01
ATE230443T1 (de) 2003-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee