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FR3064282B1 - STEEL, METHOD FOR MANUFACTURING MECHANICAL PARTS FROM THIS STEEL, AND PARTS SO MANUFACTURED - Google Patents

STEEL, METHOD FOR MANUFACTURING MECHANICAL PARTS FROM THIS STEEL, AND PARTS SO MANUFACTURED Download PDF

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Publication number
FR3064282B1
FR3064282B1 FR1752403A FR1752403A FR3064282B1 FR 3064282 B1 FR3064282 B1 FR 3064282B1 FR 1752403 A FR1752403 A FR 1752403A FR 1752403 A FR1752403 A FR 1752403A FR 3064282 B1 FR3064282 B1 FR 3064282B1
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France
Prior art keywords
traces
steel
parts
bslim
manufactured
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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
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FR1752403A
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French (fr)
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FR3064282A1 (en
Inventor
Thomas Sourmail
Karolina Maminska
Andre Galtier
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ASCO IND
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ASCO IND
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Filing date
Publication date
Application filed by ASCO IND filed Critical ASCO IND
Priority to FR1752403A priority Critical patent/FR3064282B1/en
Priority to PL18163690T priority patent/PL3378957T3/en
Priority to EP18163690.3A priority patent/EP3378957B1/en
Priority to SI201830196T priority patent/SI3378957T1/en
Priority to ES18163690T priority patent/ES2836441T3/en
Publication of FR3064282A1 publication Critical patent/FR3064282A1/en
Application granted granted Critical
Publication of FR3064282B1 publication Critical patent/FR3064282B1/en
Expired - Fee Related legal-status Critical Current
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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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • 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
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

Acier pour pièce sécable mise en forme à chaud, caractérisé en ce que sa composition consiste en, exprimée en pourcentages pondéraux : 0,15% ≤ C ≤ 0,40% ; de préférence 0,20% ≤ C ≤ 0,35% ; 0,60% ≤ Mn ≤ 1,80% ; de préférence 0,80% ≤ Mn ≤ 1,60% ; Traces ≤ Cr ≤ 1,60% ; Traces ≤ Mo ≤ 0,40% ; Traces ≤ Ni ≤ 1,50% ; - Traces ≤ Cu ≤ 0,80% ; 0,02% ≤ V ≤ 0,70% ; Traces ≤ Nb ≤ 0,08% ; Traces ≤ Si ≤ 1,20 % ; de préférence traces ≤ Si ≤ 0,60% ; Traces ≤ Al ≤ 0,10%; Traces ≤ B ≤ 0,010%, Traces ≤ Ti ≤ 0,10% ; Traces ≤ S ≤ 0,15% ; de préférence 0,005% ≤ S ≤ 0,15% ; Traces ≤ P ≤ 0,10% ; Traces ≤ Ca ≤ 0,010% ; Traces ≤ Te ≤ 0,030% ; Traces ≤ Se ≤ 0,050% ; Traces ≤ Bi ≤ 0,10% Traces ≤ Pb ≤ 0,20% ; Traces ≤ N ≤ 0,025% ; Traces ≤O ≤ 0,008% ; le reste étant du fer et des impuretés liées à l'élaboration ; et : * V'% = V% + 2 Nb% + Cu%/5 ≥0,18%; * Bs = 830 - 270C% - 90Mn% - 37Ni% - 70Cr% - 83 Mo% - 50Cu% - 100V% ≤ Bslim, avec Bslim calculé comme suit : Bslim = 530 + 330 (V' - 0,18), si 530 + 330 (V' - 0,18) est inférieur à 600 ; Bslim = 600, si 530 + 330 (V' - 0,18) est supérieur ou égal à 600. Procédé de fabrication d'une pièce mécanique à partir de cet acier, et pièce mécanique ainsi réalisée.Steel for hot-formed breakable parts, characterized in that its composition consists of, expressed in percentages by weight: 0.15% ≤ C ≤ 0.40%; preferably 0.20%≤C≤0.35%; 0.60% ≤ Mn ≤ 1.80%; preferably 0.80%≤Mn≤1.60%; Traces ≤ Cr ≤ 1.60%; Traces ≤ MB ≤ 0.40%; Traces ≤ Ni ≤ 1.50%; - Traces ≤ Cu ≤ 0.80%; 0.02%≤V≤0.70%; Traces ≤ Nb ≤ 0.08%; Traces ≤ Si ≤ 1.20%; preferably traces ≤ Si ≤ 0.60%; Traces ≤ Al ≤ 0.10%; Traces ≤ B ≤ 0.010%, Traces ≤ Ti ≤ 0.10%; Traces ≤ S ≤ 0.15%; preferably 0.005%≤S≤0.15%; Traces ≤ P ≤ 0.10%; Traces ≤ Ca ≤ 0.010%; Traces ≤ Te ≤ 0.030%; Traces ≤ Se ≤ 0.050%; Traces ≤ Bi ≤ 0.10% Traces ≤ Pb ≤ 0.20%; Traces ≤ N ≤ 0.025%; Traces ≤O ≤ 0.008%; the rest being iron and impurities linked to the production; and: * V'% = V% + 2 Nb% + Cu%/5 ≥0.18%; * Bs = 830 - 270C% - 90Mn% - 37Ni% - 70Cr% - 83 Mo% - 50Cu% - 100V% ≤ Bslim, with Bslim calculated as follows: Bslim = 530 + 330 (V' - 0.18), if 530 + 330 (V' - 0.18) is less than 600; Bslim=600, if 530+330 (V'-0.18) is greater than or equal to 600. Process for manufacturing a mechanical part from this steel, and mechanical part thus produced.

FR1752403A 2017-03-23 2017-03-23 STEEL, METHOD FOR MANUFACTURING MECHANICAL PARTS FROM THIS STEEL, AND PARTS SO MANUFACTURED Expired - Fee Related FR3064282B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1752403A FR3064282B1 (en) 2017-03-23 2017-03-23 STEEL, METHOD FOR MANUFACTURING MECHANICAL PARTS FROM THIS STEEL, AND PARTS SO MANUFACTURED
PL18163690T PL3378957T3 (en) 2017-03-23 2018-03-23 Steel, method for manufacturning mechanical pieces made of the steel, and parts thus manufactured
EP18163690.3A EP3378957B1 (en) 2017-03-23 2018-03-23 Steel, method for manufacturning mechanical pieces made of the steel, and parts thus manufactured
SI201830196T SI3378957T1 (en) 2017-03-23 2018-03-23 Steel, method for manufacturning mechanical pieces made of the steel, and parts thus manufactured
ES18163690T ES2836441T3 (en) 2017-03-23 2018-03-23 Steel, procedure for the manufacture of mechanical parts of this steel and parts thus manufactured

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1752403A FR3064282B1 (en) 2017-03-23 2017-03-23 STEEL, METHOD FOR MANUFACTURING MECHANICAL PARTS FROM THIS STEEL, AND PARTS SO MANUFACTURED
FR1752403 2017-03-23

Publications (2)

Publication Number Publication Date
FR3064282A1 FR3064282A1 (en) 2018-09-28
FR3064282B1 true FR3064282B1 (en) 2021-12-31

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FR1752403A Expired - Fee Related FR3064282B1 (en) 2017-03-23 2017-03-23 STEEL, METHOD FOR MANUFACTURING MECHANICAL PARTS FROM THIS STEEL, AND PARTS SO MANUFACTURED

Country Status (5)

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EP (1) EP3378957B1 (en)
ES (1) ES2836441T3 (en)
FR (1) FR3064282B1 (en)
PL (1) PL3378957T3 (en)
SI (1) SI3378957T1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3123659A1 (en) * 2021-06-02 2022-12-09 Ascometal France Holding Sas Hot-formed steel part and method of manufacture
CN113913704B (en) * 2021-12-13 2022-03-11 北京科技大学 Tellurium-sulfur co-processed aluminum deoxidized steel and preparation method and application thereof
CN115261722B (en) * 2022-07-29 2023-04-07 攀钢集团攀枝花钢铁研究院有限公司 A low-carbon multiphase bainite steel rail and its preparation method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2742448B1 (en) * 1995-12-14 1998-01-16 Ascometal Sa STEEL FOR THE MANUFACTURE OF SECABLE MECHANICAL PARTS AND OBTAINED PART
DE69813920T3 (en) * 1997-02-04 2006-08-03 Daido Tokushuko K.K., Nagoya High strength non-thermal virgin steel for hot forging
GB2335200A (en) * 1998-03-10 1999-09-15 British Steel Plc Steel composition
FR2847908B1 (en) * 2002-12-03 2006-10-20 Ascometal Sa A BAINITIQUE STEEL COOLED, COOLED AND REINVENTED, AND METHOD OF MANUFACTURING THE SAME.
FR2847910B1 (en) * 2002-12-03 2006-06-02 Ascometal Sa METHOD FOR MANUFACTURING A FORGED STEEL PIECE AND PART THUS OBTAINED
FR2958660B1 (en) * 2010-04-07 2013-07-19 Ascometal Sa STEEL FOR MECHANICAL PIECES WITH HIGH CHARACTERISTICS AND METHOD FOR MANUFACTURING THE SAME.
FR3022259A1 (en) * 2014-06-16 2015-12-18 Asco Ind STEEL FOR HIGH PERFORMANCE TREATED SURFACE MECHANICAL PIECES, AND MECHANICAL PIECES THEREOF AND PROCESS FOR PRODUCING SAME

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Publication number Publication date
EP3378957B1 (en) 2020-11-04
EP3378957A1 (en) 2018-09-26
SI3378957T1 (en) 2021-04-30
PL3378957T3 (en) 2021-07-26
ES2836441T3 (en) 2021-06-25
FR3064282A1 (en) 2018-09-28

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