EP0991789B1 - Zusammensetzung von werkzeugstahl - Google Patents

Zusammensetzung von werkzeugstahl Download PDF

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Publication number
EP0991789B1
EP0991789B1 EP99910459A EP99910459A EP0991789B1 EP 0991789 B1 EP0991789 B1 EP 0991789B1 EP 99910459 A EP99910459 A EP 99910459A EP 99910459 A EP99910459 A EP 99910459A EP 0991789 B1 EP0991789 B1 EP 0991789B1
Authority
EP
European Patent Office
Prior art keywords
weight
tool steel
composition according
steel
steel composition
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
EP99910459A
Other languages
English (en)
French (fr)
Other versions
EP0991789A1 (de
Inventor
André GRELLIER
Michel Siaut
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.)
Aubert and Duval SA
Original Assignee
Aubert and Duval 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 Aubert and Duval SA filed Critical Aubert and Duval SA
Publication of EP0991789A1 publication Critical patent/EP0991789A1/de
Application granted granted Critical
Publication of EP0991789B1 publication Critical patent/EP0991789B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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

Claims (13)

  1. Werkzeugstahl-Legierung, bestehend aus (ausgedrückt in Gewichtsprozent): C 0,3 - 0,4 % Cr 2,0 - 4,0 % Mo 0,8 - 3,0 % V 0,4 - 1,0 % W 1,5 - 3,0 % Co 1,0 - 5,0 % Si 0 - 1,0 % Mn 0 - 1,0 % Ni 0 - 1,0 %
    wobei der Rest in der Hauptsache aus Eisen und unvermeidlichen Verunreinigungen besteht.
  2. Werkzeugstahl-Legierung gemäß Anspruch 1 bestehend aus (ausgedrückt in Gewichtsprozent): C 0,33 - 0,37 % Cr 2,58 - 3,50 % Mo 1,20 - 2,20 % V 0,60 - 0,90 %
  3. Werkzeugstahl-Legierung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Gehalte dieser Legierung an P, Sb, Sn und As (ausgedrückt in Gewichtsprozent) die Beziehungen erfüllen: P ≤ 0,008 % Sb ≤ 0,002 % Sn ≤ 0,003 % As ≤ 0,005 %
    während der durch die Bruscato-Beziehung ausgedrückte Wert B = (10 P + 5 Sb + 4 Sn + As) × 0,01 höchstens gleich 0,10 % ist.
  4. Werkzeugstahl-Legierung gemäß Anspruch 1, dadurch gekennzeichnet, daß sie 1,8 bis 2,6 Gewichtsprozent Wolfram enthält.
  5. Werkzeugstahl-Legierung gemäß Anspruch 1, dadurch gekennzeichnet, daß sie 1,5 bis 3,0 Gewichtsprozent Cobalt enthält.
  6. Werkzeugstahl-Legierung gemäß Anspruch 1, dadurch gekennzeichnet, daß sie 0,20 bis 0,50 Gewichtsprozent Silicium enthält.
  7. Werkzeugstahl-Legierung gemäß Anspruch 1, dadurch gekennzeichnet, daß sie 0,20 bis 0,50 Gewichtsprozent Mangan enthält.
  8. Werkzeugstahl-Legierung gemäß Anspruch 1, dadurch gekennzeichnet, daß sie weniger als 0,30 Gewichtsprozent Nickel enthält.
  9. Verfahren zur Herstellung von Werkzeugstahl in einer Zusammensetzung gemäß irgendeinem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß es ein Abschrecken umfaßt bestehend aus:
    einem Erhitzen des Stahls auf Temperaturen zwischen 1020°C und 1100°C und
    einem gestuften Abschrecken bei Temperaturen zwischen 250°C und 320°C.
  10. Verfahren gemäß Anspruch 9, dadurch gekennzeichnet, daß es ein Abschrecken umfaßt bestehend aus:
    einem Erhitzen des Stahls auf Temperaturen zwischen 1040°C und 1070°C und
    einem gestuften Abschrecken bei Temperaturen zwischen 250°C und 320°C.
  11. Verfahren gemäß Anspruch 9 oder 10, dadurch gekennzeichnet, daß der Stahl nach dem Abschrecken einer Vergütung bei Temperaturen zwischen 550°C und 580°C unterzogen wird.
  12. Verfahren gemäß Anspruch 11, dadurch gekennzeichnet, daß der Stahl nach der ersten Vergütung einer zweiten Vergütung bei Temperaturen zwischen 580°C und 680°C unterzogen wird.
  13. Verfahren zur Herstellung von Werkzeugstahl der Legierung gemäß irgendeinem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß es eine Umschmelze mittels Abschmelzelektrode im Vakuum oder mittels Abschmelzelektrode in der Schlacke umfaßt.
EP99910459A 1998-04-02 1999-03-30 Zusammensetzung von werkzeugstahl Expired - Lifetime EP0991789B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9804122A FR2777023B1 (fr) 1998-04-02 1998-04-02 Composition d'acier a outils
FR9804122 1998-04-02
PCT/FR1999/000735 WO1999051788A1 (fr) 1998-04-02 1999-03-30 Composition d'acier a outils

Publications (2)

Publication Number Publication Date
EP0991789A1 EP0991789A1 (de) 2000-04-12
EP0991789B1 true EP0991789B1 (de) 2003-05-02

Family

ID=9524794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99910459A Expired - Lifetime EP0991789B1 (de) 1998-04-02 1999-03-30 Zusammensetzung von werkzeugstahl

Country Status (9)

Country Link
US (1) US6280685B1 (de)
EP (1) EP0991789B1 (de)
AT (1) ATE239103T1 (de)
BR (1) BR9906337A (de)
CA (1) CA2292742A1 (de)
DE (2) DE69907358T2 (de)
ES (1) ES2198903T3 (de)
FR (1) FR2777023B1 (de)
WO (1) WO1999051788A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0016258A (pt) 1999-12-07 2002-08-20 Carburação de aços de alta velocidade, com baixo teor de carbono, baixo teor de cromo
FR2858331B1 (fr) * 2003-08-01 2006-12-01 Aubert Et Duval Surface en contact avec le titane ou un alliage de titane
US7700210B2 (en) * 2005-05-10 2010-04-20 Bloom Energy Corporation Increasing thermal dissipation of fuel cell stacks under partial electrical load
CN101717892B (zh) * 2009-12-14 2011-07-20 浙江正达模具有限公司 一种热作模具钢的回火工艺
CN110157984B (zh) * 2019-05-29 2020-04-10 唐山志威科技有限公司 一种高均匀性高抛光型塑料模具钢zw636及其制备方法
CN111690800B (zh) * 2020-06-16 2022-02-18 北京首钢吉泰安新材料有限公司 拉丝机塔轮用钢及其制备方法、拉丝机塔轮及应用

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149697A1 (de) * 1970-10-08 1972-04-13 Allegheny Ludlum Ind Inc Verbesserter Stahl,insbesondere fuer Warmformwerkzeuge
SE364997B (de) * 1972-07-17 1974-03-11 Bofors Ab
JPS5436893B2 (de) * 1973-11-28 1979-11-12
JPS516117A (ja) * 1974-07-06 1976-01-19 Daido Steel Co Ltd Tainetsushogekiseiokairyoshita kojinseiteitankabutsukeinetsukankoguko
JPS5534687A (en) * 1978-09-04 1980-03-11 Hitachi Metals Ltd Precipitation hardening type hot working tool steel
JPH03134135A (ja) * 1989-10-18 1991-06-07 Hitachi Metals Ltd 熱間加工用工具鋼
JPH04318148A (ja) * 1991-04-18 1992-11-09 Hitachi Metals Ltd 熱間加工用工具鋼

Also Published As

Publication number Publication date
DE69907358T2 (de) 2004-03-25
WO1999051788A1 (fr) 1999-10-14
BR9906337A (pt) 2000-10-03
FR2777023B1 (fr) 2000-06-16
DE991789T1 (de) 2001-01-11
ATE239103T1 (de) 2003-05-15
DE69907358D1 (de) 2003-06-05
ES2198903T3 (es) 2004-02-01
EP0991789A1 (de) 2000-04-12
US6280685B1 (en) 2001-08-28
CA2292742A1 (fr) 1999-10-14
FR2777023A1 (fr) 1999-10-08

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