EP4324954A3 - Tôle d'acier à dureté élevée et son procédé de fabrication - Google Patents

Tôle d'acier à dureté élevée et son procédé de fabrication Download PDF

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Publication number
EP4324954A3
EP4324954A3 EP24150998.3A EP24150998A EP4324954A3 EP 4324954 A3 EP4324954 A3 EP 4324954A3 EP 24150998 A EP24150998 A EP 24150998A EP 4324954 A3 EP4324954 A3 EP 4324954A3
Authority
EP
European Patent Office
Prior art keywords
steel sheet
hardness
manufacturing
hardness steel
content
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.)
Pending
Application number
EP24150998.3A
Other languages
German (de)
English (en)
Other versions
EP4324954A2 (fr
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
Publication of EP4324954A2 publication Critical patent/EP4324954A2/fr
Publication of EP4324954A3 publication Critical patent/EP4324954A3/fr
Pending 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys 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)
EP24150998.3A 2015-08-21 2016-08-18 Tôle d'acier à dureté élevée et son procédé de fabrication Pending EP4324954A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020150117985A KR101696094B1 (ko) 2015-08-21 2015-08-21 고 경도 강판 및 그 제조방법
EP16839505.1A EP3339464B1 (fr) 2015-08-21 2016-08-18 Procédé de fabrication d'une tôle d'acier à dureté élevée
PCT/KR2016/009079 WO2017034216A1 (fr) 2015-08-21 2016-08-18 Tôle d'acier à dureté élevée et son procédé de fabrication

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16839505.1A Division EP3339464B1 (fr) 2015-08-21 2016-08-18 Procédé de fabrication d'une tôle d'acier à dureté élevée
EP16839505.1A Division-Into EP3339464B1 (fr) 2015-08-21 2016-08-18 Procédé de fabrication d'une tôle d'acier à dureté élevée

Publications (2)

Publication Number Publication Date
EP4324954A2 EP4324954A2 (fr) 2024-02-21
EP4324954A3 true EP4324954A3 (fr) 2024-05-22

Family

ID=57835400

Family Applications (2)

Application Number Title Priority Date Filing Date
EP24150998.3A Pending EP4324954A3 (fr) 2015-08-21 2016-08-18 Tôle d'acier à dureté élevée et son procédé de fabrication
EP16839505.1A Active EP3339464B1 (fr) 2015-08-21 2016-08-18 Procédé de fabrication d'une tôle d'acier à dureté élevée

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP16839505.1A Active EP3339464B1 (fr) 2015-08-21 2016-08-18 Procédé de fabrication d'une tôle d'acier à dureté élevée

Country Status (7)

Country Link
US (1) US20180237875A1 (fr)
EP (2) EP4324954A3 (fr)
JP (1) JP6843119B2 (fr)
KR (1) KR101696094B1 (fr)
CN (1) CN107923023B (fr)
ES (1) ES2986049T3 (fr)
WO (1) WO2017034216A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102031443B1 (ko) * 2017-12-22 2019-11-08 주식회사 포스코 우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법
KR102031446B1 (ko) 2017-12-22 2019-11-08 주식회사 포스코 우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법
KR102045646B1 (ko) * 2017-12-26 2019-11-15 주식회사 포스코 재질 균일성이 우수한 내마모 강판 및 그 제조방법
KR102175570B1 (ko) * 2018-09-27 2020-11-06 주식회사 포스코 우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법
JP7163889B2 (ja) * 2019-08-21 2022-11-01 Ｊｆｅスチール株式会社 耐疲労特性に優れた耐摩耗鋼材の製造方法
JP7163887B2 (ja) * 2019-08-21 2022-11-01 Ｊｆｅスチール株式会社 耐疲労特性に優れた耐摩耗鋼材
DE102019215055A1 (de) * 2019-09-30 2021-04-01 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines Stahlproduktes sowie ein entsprechendes Stahlprodukt
EP4265815A4 (fr) 2020-12-18 2024-11-20 POSCO Co., Ltd Acier plaqué pour formage à chaud, et son procédé de fabrication
CN113215488B (zh) * 2021-05-07 2022-06-17 马鞍山钢铁股份有限公司 一种免热处理nm360耐磨钢板及其制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09263884A (ja) * 1996-03-28 1997-10-07 Kobe Steel Ltd 耐孔明き腐食性および圧壊特性に優れた高強度熱延鋼板、および高強度亜鉛系めっき鋼板並びにそれらの製造方法
EP2692890A1 (fr) * 2011-03-29 2014-02-05 JFE Steel Corporation Tôle d'acier résistant à l'abrasion qui présente une excellente résistance à une fissuration par corrosion sous tension et procédé de production de cette dernière

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0903413B1 (fr) * 1997-09-22 2004-04-14 National Research Institute For Metals Acier de construction ferritique à grains fins, et procédé de fabrication de cet acier
JP3736320B2 (ja) * 2000-09-11 2006-01-18 Ｊｆｅスチール株式会社 靭性および耐遅れ破壊性に優れた耐摩耗鋼材ならびにその製造方法
WO2005106059A1 (fr) * 2004-04-28 2005-11-10 Jfe Steel Corporation Éléments pour construction de machine et procédé de production de ceux-ci
JP4374350B2 (ja) * 2006-04-11 2009-12-02 新日本製鐵株式会社 溶接性、加工性および耐高速衝突貫通性能に優れる高硬度熱延鋼板およびその製造方法
JP5423806B2 (ja) * 2009-11-17 2014-02-19 新日鐵住金株式会社 高靱性耐摩耗鋼およびその製造方法
KR101271888B1 (ko) * 2010-12-23 2013-06-05 주식회사 포스코 저온인성이 우수한 극후물 내마모용 후강판 및 그 제조방법
CN102517509A (zh) * 2012-01-06 2012-06-27 江苏省沙钢钢铁研究院有限公司 Hb500级耐磨钢板及其制备方法
JP5966730B2 (ja) * 2012-07-30 2016-08-10 Ｊｆｅスチール株式会社 耐衝撃摩耗特性に優れた耐摩耗鋼板およびその製造方法
AU2013319621B2 (en) * 2012-09-19 2016-10-13 Jfe Steel Corporation Wear-resistant steel plate having excellent low-temperature toughness and corrosion wear resistance
CN103146997B (zh) * 2013-03-28 2015-08-26 宝山钢铁股份有限公司 一种低合金高韧性耐磨钢板及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09263884A (ja) * 1996-03-28 1997-10-07 Kobe Steel Ltd 耐孔明き腐食性および圧壊特性に優れた高強度熱延鋼板、および高強度亜鉛系めっき鋼板並びにそれらの製造方法
EP2692890A1 (fr) * 2011-03-29 2014-02-05 JFE Steel Corporation Tôle d'acier résistant à l'abrasion qui présente une excellente résistance à une fissuration par corrosion sous tension et procédé de production de cette dernière

Also Published As

Publication number Publication date
EP4324954A2 (fr) 2024-02-21
EP3339464A1 (fr) 2018-06-27
US20180237875A1 (en) 2018-08-23
EP3339464A4 (fr) 2018-08-08
WO2017034216A1 (fr) 2017-03-02
ES2986049T3 (es) 2024-11-08
EP3339464B1 (fr) 2024-07-03
JP2018528325A (ja) 2018-09-27
CN107923023B (zh) 2020-04-24
EP3339464C0 (fr) 2024-07-03
KR101696094B1 (ko) 2017-01-13
JP6843119B2 (ja) 2021-03-17
CN107923023A (zh) 2018-04-17

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