EP3339464C0 - Method for manufacturing a high-hardness steel sheet - Google Patents

Method for manufacturing a high-hardness steel sheet

Info

Publication number
EP3339464C0
EP3339464C0 EP16839505.1A EP16839505A EP3339464C0 EP 3339464 C0 EP3339464 C0 EP 3339464C0 EP 16839505 A EP16839505 A EP 16839505A EP 3339464 C0 EP3339464 C0 EP 3339464C0
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel sheet
hardness steel
hardness
sheet
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.)
Active
Application number
EP16839505.1A
Other languages
German (de)
French (fr)
Other versions
EP3339464B1 (en
EP3339464A1 (en
EP3339464A4 (en
Inventor
Young-Roc Im
Jun-Sang Jang
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Priority to EP24150998.3A priority Critical patent/EP4324954A3/en
Publication of EP3339464A1 publication Critical patent/EP3339464A1/en
Publication of EP3339464A4 publication Critical patent/EP3339464A4/en
Application granted granted Critical
Publication of EP3339464C0 publication Critical patent/EP3339464C0/en
Publication of EP3339464B1 publication Critical patent/EP3339464B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—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
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/008—Martensite

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)
  • Heat Treatment Of Sheet Steel (AREA)
EP16839505.1A 2015-08-21 2016-08-18 Method for manufacturing a high-hardness steel sheet Active EP3339464B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24150998.3A EP4324954A3 (en) 2015-08-21 2016-08-18 High-hardness steel sheet, and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150117985A KR101696094B1 (en) 2015-08-21 2015-08-21 Steel sheet having superior hardness and method for manufacturing the same
PCT/KR2016/009079 WO2017034216A1 (en) 2015-08-21 2016-08-18 High-hardness steel sheet, and manufacturing method therefor

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP24150998.3A Division EP4324954A3 (en) 2015-08-21 2016-08-18 High-hardness steel sheet, and manufacturing method thereof
EP24150998.3A Division-Into EP4324954A3 (en) 2015-08-21 2016-08-18 High-hardness steel sheet, and manufacturing method thereof

Publications (4)

Publication Number Publication Date
EP3339464A1 EP3339464A1 (en) 2018-06-27
EP3339464A4 EP3339464A4 (en) 2018-08-08
EP3339464C0 true EP3339464C0 (en) 2024-07-03
EP3339464B1 EP3339464B1 (en) 2024-07-03

Family

ID=57835400

Family Applications (2)

Application Number Title Priority Date Filing Date
EP24150998.3A Pending EP4324954A3 (en) 2015-08-21 2016-08-18 High-hardness steel sheet, and manufacturing method thereof
EP16839505.1A Active EP3339464B1 (en) 2015-08-21 2016-08-18 Method for manufacturing a high-hardness steel sheet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP24150998.3A Pending EP4324954A3 (en) 2015-08-21 2016-08-18 High-hardness steel sheet, and manufacturing method thereof

Country Status (6)

Country Link
US (1) US20180237875A1 (en)
EP (2) EP4324954A3 (en)
JP (1) JP6843119B2 (en)
KR (1) KR101696094B1 (en)
CN (1) CN107923023B (en)
WO (1) WO2017034216A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102031446B1 (en) * 2017-12-22 2019-11-08 주식회사 포스코 Wear resistant steel having excellent hardness and impact toughness and method of manufacturing the same
KR102031443B1 (en) * 2017-12-22 2019-11-08 주식회사 포스코 Wear resistant steel having excellent hardness and impact toughness and method of manufacturing the same
KR102045646B1 (en) * 2017-12-26 2019-11-15 주식회사 포스코 Abrasion resistance steel having excellent homogeneous material properties and method for manufacturing the same
KR102175570B1 (en) * 2018-09-27 2020-11-06 주식회사 포스코 Wear resistant steel having excellent hardness and impact toughness and method of manufacturing the same
JP7163889B2 (en) * 2019-08-21 2022-11-01 Ｊｆｅスチール株式会社 Manufacturing method for wear-resistant steel with excellent fatigue resistance
JP7163887B2 (en) * 2019-08-21 2022-11-01 Ｊｆｅスチール株式会社 Wear-resistant steel with excellent fatigue resistance
DE102019215055A1 (en) * 2019-09-30 2021-04-01 Thyssenkrupp Steel Europe Ag Process for manufacturing a steel product and a corresponding steel product
CN113215488B (en) * 2021-05-07 2022-06-17 马鞍山钢铁股份有限公司 Heat-treatment-free NM360 wear-resistant steel plate and manufacturing method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3425837B2 (en) * 1996-03-28 2003-07-14 株式会社神戸製鋼所 High-strength hot-rolled steel sheet, high-strength galvanized steel sheet excellent in pitting corrosion resistance and crushing properties, and methods for producing them
DE69823126T2 (en) * 1997-09-22 2004-08-26 National Research Institute For Metals Fine-grained ferritic steel and manufacturing process of this steel
JP3736320B2 (en) * 2000-09-11 2006-01-18 Ｊｆｅスチール株式会社 Abrasion-resistant steel with excellent toughness and delayed fracture resistance and method for producing the same
CN1950531B (en) * 2004-04-28 2010-05-05 杰富意钢铁株式会社 Member for machine construction and production method therefor
JP4374350B2 (en) * 2006-04-11 2009-12-02 新日本製鐵株式会社 High-hardness hot-rolled steel sheet excellent in weldability, workability, and high-speed impact penetration performance and method for producing the same
CN102666897B (en) * 2009-11-17 2015-04-15 新日铁住金株式会社 High-toughness abrasion-resistant steel
KR101271888B1 (en) * 2010-12-23 2013-06-05 주식회사 포스코 Thick Plate Having Excellent Wear Resistant And Low-Temperature Toughness, And Method For Manufacturing The Same
MX348365B (en) * 2011-03-29 2017-06-08 Jfe Steel Corp Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same.
CN102517509A (en) * 2012-01-06 2012-06-27 江苏省沙钢钢铁研究院有限公司 HB 500-grade wear-resistant steel plate and preparation method thereof
JP5966730B2 (en) * 2012-07-30 2016-08-10 Ｊｆｅスチール株式会社 Abrasion resistant steel plate with excellent impact wear resistance and method for producing the same
MX2015003379A (en) * 2012-09-19 2015-06-05 Jfe Steel Corp Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance.
CN103146997B (en) * 2013-03-28 2015-08-26 宝山钢铁股份有限公司 A kind of low-alloy high-flexibility wear-resistant steel plate and manufacture method thereof

Also Published As

Publication number Publication date
CN107923023B (en) 2020-04-24
EP4324954A2 (en) 2024-02-21
US20180237875A1 (en) 2018-08-23
CN107923023A (en) 2018-04-17
JP2018528325A (en) 2018-09-27
WO2017034216A1 (en) 2017-03-02
EP3339464B1 (en) 2024-07-03
EP4324954A3 (en) 2024-05-22
EP3339464A1 (en) 2018-06-27
KR101696094B1 (en) 2017-01-13
JP6843119B2 (en) 2021-03-17
EP3339464A4 (en) 2018-08-08

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