KR101758497B1 - Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 - Google Patents

Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 Download PDF

Info

Publication number
KR101758497B1
KR101758497B1 KR1020150183528A KR20150183528A KR101758497B1 KR 101758497 B1 KR101758497 B1 KR 101758497B1 KR 1020150183528 A KR1020150183528 A KR 1020150183528A KR 20150183528 A KR20150183528 A KR 20150183528A KR 101758497 B1 KR101758497 B1 KR 101758497B1
Authority
KR
South Korea
Prior art keywords
steel
steel sheet
pwht
less
hot
Prior art date
Application number
KR1020150183528A
Other languages
English (en)
Korean (ko)
Other versions
KR20170075050A (ko
Inventor
홍순택
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020150183528A priority Critical patent/KR101758497B1/ko
Priority to PCT/KR2016/012566 priority patent/WO2017111290A1/ko
Priority to JP2018532673A priority patent/JP6700400B2/ja
Priority to US16/063,990 priority patent/US20180371568A1/en
Priority to CN201680075744.7A priority patent/CN108431272B/zh
Priority to EP16879157.2A priority patent/EP3395984B1/en
Publication of KR20170075050A publication Critical patent/KR20170075050A/ko
Application granted granted Critical
Publication of KR101758497B1 publication Critical patent/KR101758497B1/ko

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
    • C21D8/0247—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
    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • C22C38/08—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
    • 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
    • C21D2211/008—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 Articles (AREA)
KR1020150183528A 2015-12-22 2015-12-22 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 KR101758497B1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020150183528A KR101758497B1 (ko) 2015-12-22 2015-12-22 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법
PCT/KR2016/012566 WO2017111290A1 (ko) 2015-12-22 2016-11-03 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법
JP2018532673A JP6700400B2 (ja) 2015-12-22 2016-11-03 Ｐｗｈｔ抵抗性に優れた低温圧力容器用鋼板及びその製造方法
US16/063,990 US20180371568A1 (en) 2015-12-22 2016-11-03 Steel plate having excellent pwht resistance for low-temperature pressure vessel and method for manufacturing same
CN201680075744.7A CN108431272B (zh) 2015-12-22 2016-11-03 对pwht具有优异抗性的低温压力容器用钢板及其制造方法
EP16879157.2A EP3395984B1 (en) 2015-12-22 2016-11-03 Steel sheet having excellent pwht resistance for low-temperature pressure vessel and method for manufacturing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150183528A KR101758497B1 (ko) 2015-12-22 2015-12-22 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법

Publications (2)

Publication Number Publication Date
KR20170075050A KR20170075050A (ko) 2017-07-03
KR101758497B1 true KR101758497B1 (ko) 2017-07-27

Family

ID=59090737

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150183528A KR101758497B1 (ko) 2015-12-22 2015-12-22 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법

Country Status (6)

Country Link
US (1) US20180371568A1 (ja)
EP (1) EP3395984B1 (ja)
JP (1) JP6700400B2 (ja)
KR (1) KR101758497B1 (ja)
CN (1) CN108431272B (ja)
WO (1) WO2017111290A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101998991B1 (ko) * 2017-12-15 2019-07-10 주식회사 포스코 인장강도 및 저온충격인성이 우수한 압력용기용 강판 및 그 제조방법
KR102031499B1 (ko) 2018-08-07 2019-10-11 주식회사 포스코 표면품질 및 충격인성이 우수한 압력용기용 강재 및 이의 제조방법
KR102065276B1 (ko) * 2018-10-26 2020-02-17 주식회사 포스코 극저온 인성 및 연성이 우수한 압력용기용 강판 및 그 제조 방법
KR102200225B1 (ko) * 2019-09-03 2021-01-07 주식회사 포스코 극저온 횡팽창이 우수한 압력용기용 강판 및 그 제조 방법
KR102280641B1 (ko) * 2019-10-22 2021-07-22 주식회사 포스코 고온 용접후열처리 저항성이 우수한 압력용기용 강판 및 그 제조방법
CN112626417A (zh) * 2020-12-14 2021-04-09 南阳汉冶特钢有限公司 一种低成本690MPa级低温抗震钢的生产方法
CN113088807A (zh) * 2021-02-25 2021-07-09 舞阳钢铁有限责任公司 一种高韧性低温压力容器用钢板及其生产方法
CN113549815B (zh) * 2021-06-25 2022-09-16 鞍钢股份有限公司 一种低温用低合金压力容器用钢板及生产方法
CN115341152A (zh) * 2022-08-31 2022-11-15 鞍钢股份有限公司 一种节镍型-100℃低温钢及其制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006045672A (ja) * 2004-07-07 2006-02-16 Jfe Steel Kk 高張力鋼板の製造方法および高張力鋼板
KR100663219B1 (ko) 2002-06-19 2007-01-03 신닛뽄세이테쯔 카부시키카이샤 원유 유조용 강 및 그 제조 방법, 원유 유조 및 그 방식방법
KR100833071B1 (ko) 2006-12-13 2008-05-27 주식회사 포스코 내ｈｉｃ특성이 우수한 인장강도 600㎫급 압력용기용 강판및 그 제조 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6126727A (ja) * 1984-07-18 1986-02-06 Nippon Kokan Kk <Nkk> 調質型厚肉８０Ｋｇｆ／ｍｍ↑２以上級高張力鋼の製造方法
JP3526576B2 (ja) * 1993-08-04 2004-05-17 新日本製鐵株式会社 溶接部の疲労強度と溶接性に優れた高張力鋼の製造方法
FR2886314B1 (fr) * 2005-05-26 2007-07-20 Industeel France Acier pour coques de sous-marins a soudabilite renforcee
AU2008211941B2 (en) * 2007-01-31 2011-06-02 Jfe Steel Corporation High tensile strength steel having favorable delayed fracture resistance and method for manufacturing the same
CN105154761A (zh) * 2008-12-26 2015-12-16 杰富意钢铁株式会社 焊接热影响部及母材部的耐延性破裂发生特性优良的钢材及其制造方法
KR101322067B1 (ko) * 2009-12-28 2013-10-25 주식회사 포스코 용접 후 열처리 저항성이 우수한 고강도 강판 및 그 제조방법
WO2011154515A1 (en) * 2010-06-10 2011-12-15 Tata Steel Nederland Technology Bv A method for producing a tempered martensitic heat resistant steel for high temperature applications
JP6253974B2 (ja) * 2013-12-27 2017-12-27 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
KR20150101734A (ko) * 2014-02-27 2015-09-04 현대제철 주식회사 압력용기 강재 및 그 제조 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100663219B1 (ko) 2002-06-19 2007-01-03 신닛뽄세이테쯔 카부시키카이샤 원유 유조용 강 및 그 제조 방법, 원유 유조 및 그 방식방법
JP2006045672A (ja) * 2004-07-07 2006-02-16 Jfe Steel Kk 高張力鋼板の製造方法および高張力鋼板
KR100833071B1 (ko) 2006-12-13 2008-05-27 주식회사 포스코 내ｈｉｃ특성이 우수한 인장강도 600㎫급 압력용기용 강판및 그 제조 방법

Also Published As

Publication number Publication date
EP3395984A1 (en) 2018-10-31
WO2017111290A8 (ko) 2017-12-21
KR20170075050A (ko) 2017-07-03
CN108431272B (zh) 2020-07-28
WO2017111290A1 (ko) 2017-06-29
EP3395984A4 (en) 2018-12-26
EP3395984B1 (en) 2020-01-29
US20180371568A1 (en) 2018-12-27
JP6700400B2 (ja) 2020-05-27
CN108431272A (zh) 2018-08-21
JP2019505672A (ja) 2019-02-28

Similar Documents

Publication Publication Date Title
KR101758497B1 (ko) Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법
KR101657828B1 (ko) Ｐｗｈｔ 후 인성이 우수한 고강도 압력용기용 강재 및 그 제조방법
KR101917453B1 (ko) 극저온 충격인성이 우수한 후강판 및 이의 제조방법
CN108368591B (zh) 具有优异的焊后热处理耐性的压力容器钢板及其制造方法
KR20160063532A (ko) Pwht 저항성이 우수한 저온용 압력용기용 강판 및 그 제조 방법
CN108474089B (zh) 具有优异的低温韧性和抗氢致开裂性的厚钢板及其制造方法
KR101917444B1 (ko) 고온 템퍼링 열처리 및 용접 후 열처리 저항성이 우수한 압력용기용 강재 및 이의 제조방법
KR102065276B1 (ko) 극저온 인성 및 연성이 우수한 압력용기용 강판 및 그 제조 방법
KR101546154B1 (ko) 유정용 강관 및 그 제조 방법
KR101568504B1 (ko) Ｐｗｈｔ 후 강도 및 인성이 우수한 압력용기용 강판 및 그 제조방법
KR20160138771A (ko) Tmcp 강재 및 그 제조 방법
KR101455458B1 (ko) 강재 및 그 제조 방법
KR101166967B1 (ko) 고강도 및 저온인성이 우수한 후판 및 그 제조 방법
KR101808440B1 (ko) 인버티드 앵글용 강재 및 그 제조 방법
US20190382865A1 (en) Heavy-wall steel plate having 450mpa-grade tensile strength and excellent resistance to hydrogen induced cracking and method for manufacturing same
KR102200225B1 (ko) 극저온 횡팽창이 우수한 압력용기용 강판 및 그 제조 방법
KR101482341B1 (ko) 용접 후 열처리 저항성이 우수한 압력용기용 강판 및 그 제조 방법
KR101246466B1 (ko) 가공성이 우수한 1000ＭＰａ급 열연강판 제조방법 및 이를 이용하여 제조한 열연 강판
US11692251B2 (en) Pressure vessel steel sheet having excellent PWHT resistance, and manufacturing method therefor
KR101928153B1 (ko) 극저온 인성이 우수한 고강도 강판 및 그 제조 방법
KR101797369B1 (ko) 압력용기용 강재 및 이의 제조 방법
KR101715485B1 (ko) 고강도 후판 및 그 제조 방법
KR101149251B1 (ko) 저항복비를 갖는 인장강도 650ＭＰａ급 고강도 구조용 강재 및 그 제조 방법
KR20210047698A (ko) 고온 용접후열처리 저항성이 우수한 압력용기용 강판 및 그 제조방법
KR20160082397A (ko) 초고강도 열연강판 제조 방법

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant