EP2976437A4 - Air-hardenable bainitic steel with enhanced material characteristics - Google Patents

Air-hardenable bainitic steel with enhanced material characteristics

Info

Publication number
EP2976437A4
EP2976437A4 EP14771156.8A EP14771156A EP2976437A4 EP 2976437 A4 EP2976437 A4 EP 2976437A4 EP 14771156 A EP14771156 A EP 14771156A EP 2976437 A4 EP2976437 A4 EP 2976437A4
Authority
EP
European Patent Office
Prior art keywords
air
material characteristics
bainitic steel
enhanced material
hardenable
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.)
Granted
Application number
EP14771156.8A
Other languages
German (de)
French (fr)
Other versions
EP2976437A1 (en
EP2976437B1 (en
Inventor
Tianjun Liu
Matthew Thomas Kiser
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of EP2976437A1 publication Critical patent/EP2976437A1/en
Publication of EP2976437A4 publication Critical patent/EP2976437A4/en
Application granted granted Critical
Publication of EP2976437B1 publication Critical patent/EP2976437B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/22—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
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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
    • C21D2261/00—Machining or cutting being involved
EP14771156.8A 2013-03-22 2014-03-19 Air-hardenable bainitic steel with enhanced material characteristics Active EP2976437B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/848,829 US20140283960A1 (en) 2013-03-22 2013-03-22 Air-hardenable bainitic steel with enhanced material characteristics
PCT/US2014/031201 WO2014153398A1 (en) 2013-03-22 2014-03-19 Air-hardenable bainitic steel with enhanced material characteristics

Publications (3)

Publication Number Publication Date
EP2976437A1 EP2976437A1 (en) 2016-01-27
EP2976437A4 true EP2976437A4 (en) 2016-12-14
EP2976437B1 EP2976437B1 (en) 2019-05-15

Family

ID=51568246

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14771156.8A Active EP2976437B1 (en) 2013-03-22 2014-03-19 Air-hardenable bainitic steel with enhanced material characteristics

Country Status (8)

Country Link
US (2) US20140283960A1 (en)
EP (1) EP2976437B1 (en)
JP (1) JP6382937B2 (en)
KR (1) KR20150132320A (en)
CN (1) CN105143474A (en)
AU (1) AU2014235986B2 (en)
RU (1) RU2015143271A (en)
WO (1) WO2014153398A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9440693B2 (en) * 2014-03-20 2016-09-13 Caterpillar Inc. Air-hardenable bainitic steel part
JP6789611B2 (en) * 2015-01-22 2020-11-25 臼井国際産業株式会社 Manufacturing method of fuel rail for gasoline direct injection
JP6782060B2 (en) * 2015-01-22 2020-11-11 臼井国際産業株式会社 How to manufacture fuel rails
CN106048149A (en) * 2016-07-16 2016-10-26 柳州科尔特锻造机械有限公司 Heat treatment process of low-alloy steel
US10882574B2 (en) * 2016-07-26 2021-01-05 Caterpillar Inc. Method of track link manufacture
MX2016013350A (en) * 2016-10-06 2018-04-05 Aboytes Trejo Juan Process and system for thermal treatment of low- and medium-carbon alloyed steel parts for the production of a desired crystalline structure.
WO2018215813A1 (en) * 2017-05-22 2018-11-29 Arcelormittal Method for producing a steel part and corresponding steel part
CN107385156B (en) * 2017-06-29 2019-01-15 江南工业集团有限公司 The Strengthening and Toughening composite heat treating method of 30CrMnSiA steel
WO2021009543A1 (en) * 2019-07-16 2021-01-21 Arcelormittal Method for producing a steel part and steel part
CN112008031B (en) * 2020-08-25 2023-06-16 无锡继平新材料科技有限公司 Forging and heat treatment process of valve body for shale gas exploitation
CN114850365A (en) * 2022-04-19 2022-08-05 中国恩菲工程技术有限公司 Bainite-based grinding medium and preparation method and application thereof

Citations (4)

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EP1069198A1 (en) * 1999-01-28 2001-01-17 Sumitomo Metal Industries, Ltd. Machine structural steel product
US20070227634A1 (en) * 2005-03-16 2007-10-04 Mittal Steel Gandrange Forged or Stamped Average or Small Size Mechanical Part
JP2012237040A (en) * 2011-05-12 2012-12-06 Jfe Bars & Shapes Corp Steel for automotive suspension spring component, automotive suspension spring component, and method for manufacturing the same
JP2013028840A (en) * 2011-07-28 2013-02-07 Nippon Steel & Sumitomo Metal Corp High-frequency quenching steel and crank shaft manufactured by using the same

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JPS60215743A (en) * 1984-04-11 1985-10-29 Sumitomo Metal Ind Ltd Wear-resistant steel
JP3139876B2 (en) * 1993-04-05 2001-03-05 新日本製鐵株式会社 Method of manufacturing non-heat treated steel for hot forging and non-heat treated hot forged product, and non-heat treated hot forged product
JP3300500B2 (en) * 1993-10-12 2002-07-08 新日本製鐵株式会社 Method for producing hot forging steel excellent in fatigue strength, yield strength and machinability
JP2979987B2 (en) * 1994-12-20 1999-11-22 住友金属工業株式会社 Steel for soft nitriding
GB2297094B (en) 1995-01-20 1998-09-23 British Steel Plc Improvements in and relating to Carbide-Free Bainitic Steels
CN1074468C (en) * 1997-01-28 2001-11-07 山东工业大学 Multielement micro-alloyed air cooled bainitic steel
JP3762543B2 (en) * 1998-04-02 2006-04-05 新日本製鐵株式会社 Manufacturing method of non-tempered steel for hot forging and non-tempered hot forged product and hot forged non-tempered product
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JP2000199041A (en) * 1999-01-07 2000-07-18 Nippon Steel Corp Bainitic rail excellent in rolling fatigue damaging resistance and inside fatigue damaging resistance
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Publication number Priority date Publication date Assignee Title
EP1069198A1 (en) * 1999-01-28 2001-01-17 Sumitomo Metal Industries, Ltd. Machine structural steel product
US20070227634A1 (en) * 2005-03-16 2007-10-04 Mittal Steel Gandrange Forged or Stamped Average or Small Size Mechanical Part
JP2012237040A (en) * 2011-05-12 2012-12-06 Jfe Bars & Shapes Corp Steel for automotive suspension spring component, automotive suspension spring component, and method for manufacturing the same
JP2013028840A (en) * 2011-07-28 2013-02-07 Nippon Steel & Sumitomo Metal Corp High-frequency quenching steel and crank shaft manufactured by using the same

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Title
See also references of WO2014153398A1 *

Also Published As

Publication number Publication date
RU2015143271A (en) 2017-04-27
US20140283960A1 (en) 2014-09-25
WO2014153398A1 (en) 2014-09-25
EP2976437A1 (en) 2016-01-27
EP2976437B1 (en) 2019-05-15
US20150376750A1 (en) 2015-12-31
JP2016518521A (en) 2016-06-23
CN105143474A (en) 2015-12-09
KR20150132320A (en) 2015-11-25
AU2014235986A1 (en) 2015-11-05
AU2014235986B2 (en) 2017-11-16
JP6382937B2 (en) 2018-08-29

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