EP3730655A4 - Hochfeste stahlplatte und herstellungsverfahren dafür - Google Patents

Hochfeste stahlplatte und herstellungsverfahren dafür Download PDF

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Publication number
EP3730655A4
EP3730655A4 EP18891912.0A EP18891912A EP3730655A4 EP 3730655 A4 EP3730655 A4 EP 3730655A4 EP 18891912 A EP18891912 A EP 18891912A EP 3730655 A4 EP3730655 A4 EP 3730655A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel sheet
high strength
strength steel
method therefor
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
EP18891912.0A
Other languages
English (en)
French (fr)
Other versions
EP3730655B1 (de
EP3730655A1 (de
Inventor
Soon-Taik Hong
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
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Publication of EP3730655A1 publication Critical patent/EP3730655A1/de
Application granted granted Critical
Publication of EP3730655B1 publication Critical patent/EP3730655B1/de
Active legal-status Critical Current
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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263Modifying 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

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)
EP18891912.0A 2017-12-24 2018-11-28 Hochfeste stahlplatte und herstellungsverfahren dafür Active EP3730655B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170178924A KR102031450B1 (ko) 2017-12-24 2017-12-24 고강도 강판 및 그 제조방법
PCT/KR2018/014855 WO2019124793A1 (ko) 2017-12-24 2018-11-28 고강도 강판 및 그 제조방법

Publications (3)

Publication Number Publication Date
EP3730655A4 true EP3730655A4 (de) 2020-10-28
EP3730655A1 EP3730655A1 (de) 2020-10-28
EP3730655B1 EP3730655B1 (de) 2022-05-18

Family

ID=66993726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18891912.0A Active EP3730655B1 (de) 2017-12-24 2018-11-28 Hochfeste stahlplatte und herstellungsverfahren dafür

Country Status (6)

Country Link
US (1) US20200347478A1 (de)
EP (1) EP3730655B1 (de)
JP (1) JP7096337B2 (de)
KR (1) KR102031450B1 (de)
CN (1) CN111566249B (de)
WO (1) WO2019124793A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115478134A (zh) * 2022-09-27 2022-12-16 首钢集团有限公司 一种钢板轧后直接淬火的方法
CN115558863B (zh) * 2022-10-19 2023-04-07 鞍钢集团北京研究院有限公司 一种屈服强度≥750MPa的低屈强比海工钢及其生产工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100833069B1 (ko) * 2006-12-13 2008-05-27 주식회사 포스코 내hic특성 및 haz 인성이 우수한 인장강도 500㎫급압력용기용 강판 및 그 제조 방법
WO2010074473A2 (en) * 2008-12-26 2010-07-01 Posco High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same
JP2014218707A (ja) * 2013-05-09 2014-11-20 Jfeスチール株式会社 耐水素誘起割れ性に優れた調質鋼板及びその製造方法
JP2015124435A (ja) * 2013-12-27 2015-07-06 Jfeスチール株式会社 脆性亀裂伝播停止特性に優れる原子炉格納容器用厚鋼板

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4475023B2 (ja) * 2004-06-10 2010-06-09 住友金属工業株式会社 低温靱性に優れた超高強度ベンド管
CN101962741B (zh) * 2009-07-24 2012-08-08 宝山钢铁股份有限公司 一种调质钢板及其制造方法
KR101271990B1 (ko) * 2009-12-01 2013-06-05 주식회사 포스코 고강도 강판 및 그 제조방법
CN103320701B (zh) * 2012-03-23 2016-08-03 宝山钢铁股份有限公司 一种铁素体贝氏体先进高强度钢板及其制造方法
CN104619876B (zh) 2012-09-13 2016-12-21 杰富意钢铁株式会社 热轧钢板及其制造方法
WO2014162680A1 (ja) * 2013-04-04 2014-10-09 Jfeスチール株式会社 熱延鋼板およびその製造方法
KR101709432B1 (ko) * 2013-05-14 2017-03-08 신닛테츠스미킨 카부시키카이샤 열연 강판 및 그 제조 방법
JP6024928B2 (ja) * 2013-12-27 2016-11-16 Jfeスチール株式会社 脆性亀裂伝播停止特性に優れる船舶用、海洋構造物用および水圧鉄管用厚鋼板およびその製造方法
KR20150101735A (ko) * 2014-02-27 2015-09-04 현대제철 주식회사 강판 및 그 제조 방법
KR101657823B1 (ko) * 2014-12-24 2016-09-20 주식회사 포스코 저온인성 및 수소유기균열 저항성이 우수한 강재 및 그 제조방법
WO2016152172A1 (ja) 2015-03-26 2016-09-29 Jfeスチール株式会社 構造管用厚肉鋼板、構造管用厚肉鋼板の製造方法、および構造管
KR102379935B1 (ko) * 2017-09-19 2022-04-01 닛폰세이테츠 가부시키가이샤 강관 및 강판

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100833069B1 (ko) * 2006-12-13 2008-05-27 주식회사 포스코 내hic특성 및 haz 인성이 우수한 인장강도 500㎫급압력용기용 강판 및 그 제조 방법
WO2010074473A2 (en) * 2008-12-26 2010-07-01 Posco High strength steel plate for nuclear reactor containment vessel and method of manufacturing the same
JP2014218707A (ja) * 2013-05-09 2014-11-20 Jfeスチール株式会社 耐水素誘起割れ性に優れた調質鋼板及びその製造方法
JP2015124435A (ja) * 2013-12-27 2015-07-06 Jfeスチール株式会社 脆性亀裂伝播停止特性に優れる原子炉格納容器用厚鋼板

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019124793A1 *

Also Published As

Publication number Publication date
JP2021508774A (ja) 2021-03-11
WO2019124793A1 (ko) 2019-06-27
EP3730655B1 (de) 2022-05-18
CN111566249A (zh) 2020-08-21
JP7096337B2 (ja) 2022-07-05
CN111566249B (zh) 2022-05-13
US20200347478A1 (en) 2020-11-05
KR20190077177A (ko) 2019-07-03
KR102031450B1 (ko) 2019-10-11
EP3730655A1 (de) 2020-10-28

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