CN110100026B - 具有优异的低温冲击韧性和ctod特性的厚钢板及其制造方法 - Google Patents

具有优异的低温冲击韧性和ctod特性的厚钢板及其制造方法 Download PDF

Info

Publication number
CN110100026B
CN110100026B CN201780078777.1A CN201780078777A CN110100026B CN 110100026 B CN110100026 B CN 110100026B CN 201780078777 A CN201780078777 A CN 201780078777A CN 110100026 B CN110100026 B CN 110100026B
Authority
CN
China
Prior art keywords
steel plate
thick steel
less
impact toughness
ferrite
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
CN201780078777.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN110100026A (zh
Inventor
金佑谦
严庆根
房基铉
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 CN110100026A publication Critical patent/CN110100026A/zh
Application granted granted Critical
Publication of CN110100026B publication Critical patent/CN110100026B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C21D2211/001—Austenite
    • 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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
CN201780078777.1A 2016-12-23 2017-12-22 具有优异的低温冲击韧性和ctod特性的厚钢板及其制造方法 Active CN110100026B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2016-0178561 2016-12-23
KR1020160178561A KR101899694B1 (ko) 2016-12-23 2016-12-23 저온 충격인성 및 ctod 특성이 우수한 후강판 및 그 제조방법
PCT/KR2017/015320 WO2018117727A1 (ko) 2016-12-23 2017-12-22 저온 충격인성 및 ctod 특성이 우수한 후강판 및 그 제조방법

Publications (2)

Publication Number Publication Date
CN110100026A CN110100026A (zh) 2019-08-06
CN110100026B true CN110100026B (zh) 2021-10-08

Family

ID=62626970

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780078777.1A Active CN110100026B (zh) 2016-12-23 2017-12-22 具有优异的低温冲击韧性和ctod特性的厚钢板及其制造方法

Country Status (5)

Country Link
EP (1) EP3561115B1 (de)
JP (1) JP6824415B2 (de)
KR (1) KR101899694B1 (de)
CN (1) CN110100026B (de)
WO (1) WO2018117727A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102218423B1 (ko) * 2019-08-23 2021-02-19 주식회사 포스코 저온인성 및 ctod 특성이 우수한 박물 강재 및 그 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090070485A (ko) * 2007-12-27 2009-07-01 주식회사 포스코 모재 ｃｔｏｄ특성이 우수한 고강도 고인성 후강판 및 그제조방법
KR20100066757A (ko) * 2008-12-10 2010-06-18 주식회사 포스코 Ｃｔｏｄ 특성이 우수한 강판의 제조방법
CN103741027A (zh) * 2013-12-29 2014-04-23 首钢总公司 焊接接头ctod大于零点5毫米海洋工程钢及制备方法
CN104011250A (zh) * 2011-12-27 2014-08-27 杰富意钢铁株式会社 脆性裂纹传播停止特性优良的结构用高强度厚钢板及其制造方法
CN105008574A (zh) * 2013-03-12 2015-10-28 杰富意钢铁株式会社 多层焊接接头ctod特性优良的厚钢板及其制造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4313730B2 (ja) * 2004-06-21 2009-08-12 株式会社神戸製鋼所 材質異方性が少なく低温靭性に優れた高張力鋼板
KR100851189B1 (ko) * 2006-11-02 2008-08-08 주식회사 포스코 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법
US8647564B2 (en) * 2007-12-04 2014-02-11 Posco High-strength steel sheet with excellent low temperature toughness and manufacturing thereof
TWI365915B (en) * 2009-05-21 2012-06-11 Nippon Steel Corp Steel for welded structure and producing method thereof
JP5459166B2 (ja) * 2010-09-28 2014-04-02 新日鐵住金株式会社 氷海構造物用鋼板
JP5177310B2 (ja) * 2011-02-15 2013-04-03 Ｊｆｅスチール株式会社 溶接熱影響部の低温靭性に優れた高張力鋼板およびその製造方法
KR20120097162A (ko) * 2011-02-24 2012-09-03 현대제철 주식회사 후강판 및 그 제조 방법
KR101403224B1 (ko) * 2011-12-28 2014-06-02 주식회사 포스코 저항복비 특성 및 저온인성이 우수한 후 강판 및 그 제조방법
JP5811032B2 (ja) * 2012-05-23 2015-11-11 新日鐵住金株式会社 Ｌｐｇタンク用鋼板

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090070485A (ko) * 2007-12-27 2009-07-01 주식회사 포스코 모재 ｃｔｏｄ특성이 우수한 고강도 고인성 후강판 및 그제조방법
KR20100066757A (ko) * 2008-12-10 2010-06-18 주식회사 포스코 Ｃｔｏｄ 특성이 우수한 강판의 제조방법
CN104011250A (zh) * 2011-12-27 2014-08-27 杰富意钢铁株式会社 脆性裂纹传播停止特性优良的结构用高强度厚钢板及其制造方法
CN105008574A (zh) * 2013-03-12 2015-10-28 杰富意钢铁株式会社 多层焊接接头ctod特性优良的厚钢板及其制造方法
CN103741027A (zh) * 2013-12-29 2014-04-23 首钢总公司 焊接接头ctod大于零点5毫米海洋工程钢及制备方法

Also Published As

Publication number Publication date
KR101899694B1 (ko) 2018-09-17
JP6824415B2 (ja) 2021-02-03
EP3561115A4 (de) 2019-11-27
KR20180074470A (ko) 2018-07-03
JP2020509206A (ja) 2020-03-26
WO2018117727A1 (ko) 2018-06-28
CN110100026A (zh) 2019-08-06
EP3561115A1 (de) 2019-10-30
EP3561115B1 (de) 2022-07-13

Similar Documents

Publication Publication Date Title
CN108368594B (zh) 具有优异的低温应变时效冲击特性和焊接热影响区冲击特性的高强度钢材及其制造方法
JP2010509494A (ja) 低温靭性に優れた超高強度ラインパイプ用鋼板及びその製造方法
CN110114496B (zh) 在低温下具有增强的脆性裂纹扩展抗力和断裂萌生抗力的高强度钢材及其制造方法
US20230212704A1 (en) Steel Material, for Pressure Vessel, Showing Excellent Hydrogen-Induced Cracking Resistance and Method for Preparing Same
JP6989606B2 (ja) 低温での破壊開始及び伝播抵抗性に優れた高強度鋼材、及びその製造方法
KR20190076758A (ko) 저온에서의 내파괴 특성이 우수한 극지 환경용 고강도 강재 및 그 제조방법
KR102450006B1 (ko) 미세 합금강 및 상기 강을 제조하기 위한 방법
JP2024500851A (ja) 低温衝撃靭性に優れた極厚物鋼材及びその製造方法
RU2749855C1 (ru) Стальной материал для высокопрочной стальной трубы с низким отношением предела текучести к пределу прочности, имеющей превосходную низкотемпературную ударную вязкость, и способ его получения
KR101465088B1 (ko) 저온 인성이 우수한 저탄소 고강도 강판 및 그 제조방법
JP2019504192A (ja) 靭性及び耐切断割れ性に優れた高硬度耐摩耗鋼、並びにその製造方法
JP6582590B2 (ja) Ｌｐｇ貯蔵タンク用鋼板およびその製造方法
CN110100026B (zh) 具有优异的低温冲击韧性和ctod特性的厚钢板及其制造方法
KR101546132B1 (ko) 극후 강판 및 그 제조 방법
JPWO2021117382A1 (ja) 鋼板およびその製造方法
JP2016180163A (ja) 溶接熱影響部靭性に優れた低降伏比高張力鋼板
KR101615029B1 (ko) 강판 및 그 제조 방법
JP4959401B2 (ja) 耐表面割れ特性に優れた高強度溶接構造用鋼とその製造方法
KR101412345B1 (ko) 고강도 강판 및 그 제조 방법
KR101586883B1 (ko) 고강도 강판 및 그 제조방법
KR20150112517A (ko) 라인파이프용 강판 및 그 제조 방법
KR20220089148A (ko) 용접성이 우수한 라인파이프용 강재 및 그 제조방법
KR20240106708A (ko) 강관용 고강도 열연강판 및 그 제조방법
KR20230099405A (ko) 열연 강판 및 그 제조 방법
KR20240098520A (ko) 강판 및 그 제조방법

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Seoul, South Kerean

Patentee after: POSCO Holdings Co.,Ltd.

Address before: Gyeongbuk, South Korea

Patentee before: POSCO

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230428

Address after: Gyeongbuk, South Korea

Patentee after: POSCO Co.,Ltd.

Address before: Seoul, South Kerean

Patentee before: POSCO Holdings Co.,Ltd.