DE69802394D1 - Wärmebehandlung von stahl - Google Patents

Wärmebehandlung von stahl

Info

Publication number
DE69802394D1
DE69802394D1 DE69802394T DE69802394T DE69802394D1 DE 69802394 D1 DE69802394 D1 DE 69802394D1 DE 69802394 T DE69802394 T DE 69802394T DE 69802394 T DE69802394 T DE 69802394T DE 69802394 D1 DE69802394 D1 DE 69802394D1
Authority
DE
Germany
Prior art keywords
temperature
heat treatment
steel
low
steel heat
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
DE69802394T
Other languages
English (en)
Inventor
Jouko Leinonen
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.)
Aspector Oy
Original Assignee
Aspector Oy
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 Aspector Oy filed Critical Aspector Oy
Application granted granted Critical
Publication of DE69802394D1 publication Critical patent/DE69802394D1/de
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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • C21D1/785—Thermocycling
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/28—Normalising
    • 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
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
DE69802394T 1997-04-17 1998-04-16 Wärmebehandlung von stahl Expired - Lifetime DE69802394D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI971625A FI971625A (fi) 1997-04-17 1997-04-17 Teräksen lämpökäsittely
PCT/FI1998/000334 WO1998048061A1 (en) 1997-04-17 1998-04-16 Heat treatment of steel

Publications (1)

Publication Number Publication Date
DE69802394D1 true DE69802394D1 (de) 2001-12-13

Family

ID=8548655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802394T Expired - Lifetime DE69802394D1 (de) 1997-04-17 1998-04-16 Wärmebehandlung von stahl

Country Status (6)

Country Link
EP (1) EP0975814B1 (de)
AT (1) ATE208428T1 (de)
AU (1) AU6836698A (de)
DE (1) DE69802394D1 (de)
FI (1) FI971625A (de)
WO (1) WO1998048061A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60011666T2 (de) 1999-10-19 2005-06-30 Aspector Oy Verfahren zur herstellung von ultrafeiner kornstruktur für unlegierte oder niedriglegierte stähle
JP5382421B2 (ja) * 2009-02-24 2014-01-08 株式会社デルタツーリング 高強度高靱性薄肉鋼の製造方法及び熱処理装置
FR2999607B1 (fr) * 2012-12-13 2015-04-17 Peugeot Citroen Automobiles Sa Procede de traitement d'acier comprenant un pretraitement d'affinage du grain

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE418124C (de) * 1923-11-06 1925-08-25 Fried Krupp Akt Ges Verfahren zum Verfeinern des Kornes von Stahl
US3278345A (en) * 1963-05-28 1966-10-11 United States Steel Corp Method of producing fine grained steel
US3178324A (en) * 1963-06-03 1965-04-13 United States Steel Corp Method of producing ultrafine grained steel
US3201288A (en) * 1963-11-01 1965-08-17 United States Steel Corp Method of treating steel to produce a fine-grained condition
SE349059B (de) * 1968-11-22 1972-09-18 Nippon Kokan Kk
US4040872A (en) * 1976-04-16 1977-08-09 Lasalle Steel Company Process for strengthening of carbon steels
US4457789A (en) * 1979-11-09 1984-07-03 Lasalle Steel Company Process for annealing steels
DE3113822A1 (de) * 1981-04-06 1982-10-21 Dunai Vasmü, 2401 Dunaujváros Verfahren zur waermebehandlung von unlegierten bzw. niedriglegierten staehlen mit kohlenstoffgehalten unter 0,25%
CA1199684A (en) * 1982-09-04 1986-01-21 Hiroshi Nakate Production of electrical resistance welded steel tubes with welds having improved toughness
JPS5980718A (ja) * 1982-11-01 1984-05-10 Sumitomo Metal Ind Ltd 低温靭性のすぐれた高強度鋼材
JPH05320775A (ja) * 1992-05-22 1993-12-03 Kawasaki Steel Corp 低温靭性に優れた電縫鋼管の製造方法

Also Published As

Publication number Publication date
WO1998048061A1 (en) 1998-10-29
EP0975814B1 (de) 2001-11-07
AU6836698A (en) 1998-11-13
ATE208428T1 (de) 2001-11-15
EP0975814A1 (de) 2000-02-02
FI971625A (fi) 1998-10-18
FI971625A0 (fi) 1997-04-17

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Legal Events

Date Code Title Description
8332 No legal effect for de