EP4050118A4 - Stahlplatte für druckbehälter mit ausgezeichneter beständigkeit gegen hochtemperatur-wärmebehandlung nach dem schweissen und verfahren zu ihrer herstellung - Google Patents

Stahlplatte für druckbehälter mit ausgezeichneter beständigkeit gegen hochtemperatur-wärmebehandlung nach dem schweissen und verfahren zu ihrer herstellung Download PDF

Info

Publication number
EP4050118A4
EP4050118A4 EP20878789.5A EP20878789A EP4050118A4 EP 4050118 A4 EP4050118 A4 EP 4050118A4 EP 20878789 A EP20878789 A EP 20878789A EP 4050118 A4 EP4050118 A4 EP 4050118A4
Authority
EP
European Patent Office
Prior art keywords
heat treatment
steel plate
pressure vessel
excellent resistance
manufacturing same
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
EP20878789.5A
Other languages
English (en)
French (fr)
Other versions
EP4050118A1 (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
Publication of EP4050118A1 publication Critical patent/EP4050118A1/de
Publication of EP4050118A4 publication Critical patent/EP4050118A4/de
Pending legal-status Critical Current

Links

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
    • C22C38/02—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • 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
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D8/0221—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
    • 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
    • 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
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • 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
    • 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
    • C22C38/04—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
    • C22C38/06—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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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)
  • 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)
  • Heat Treatment Of Articles (AREA)
EP20878789.5A 2019-10-22 2020-10-20 Stahlplatte für druckbehälter mit ausgezeichneter beständigkeit gegen hochtemperatur-wärmebehandlung nach dem schweissen und verfahren zu ihrer herstellung Pending EP4050118A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190131598A KR102280641B1 (ko) 2019-10-22 2019-10-22 고온 용접후열처리 저항성이 우수한 압력용기용 강판 및 그 제조방법
PCT/KR2020/014343 WO2021080291A1 (ko) 2019-10-22 2020-10-20 고온 용접후열처리 저항성이 우수한 압력용기용 강판 및 그 제조방법

Publications (2)

Publication Number Publication Date
EP4050118A1 EP4050118A1 (de) 2022-08-31
EP4050118A4 true EP4050118A4 (de) 2024-04-03

Family

ID=75619473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20878789.5A Pending EP4050118A4 (de) 2019-10-22 2020-10-20 Stahlplatte für druckbehälter mit ausgezeichneter beständigkeit gegen hochtemperatur-wärmebehandlung nach dem schweissen und verfahren zu ihrer herstellung

Country Status (6)

Country Link
US (1) US20240102137A1 (de)
EP (1) EP4050118A4 (de)
JP (1) JP7398559B2 (de)
KR (1) KR102280641B1 (de)
CN (1) CN114585760B (de)
WO (1) WO2021080291A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102443670B1 (ko) 2020-12-16 2022-09-20 주식회사 포스코 고온 pwht 저항성이 우수한 압력용기용 강판 및 그 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189347A (en) * 1966-06-28 1970-04-22 Nippon Kokan Kk High-Temperature Alloy Steel
JPS61130457A (ja) * 1984-11-28 1986-06-18 Kobe Steel Ltd 圧力容器用Ｃｒ−Ｍｏ鋼
US4855106A (en) * 1984-02-29 1989-08-08 Kabushiki Kaisha Kobe Seiko Sho Low alloy steels for use in pressure vessel
JPH01319629A (ja) * 1988-06-20 1989-12-25 Nippon Steel Corp 靭性の優れたＣｒ−Ｍｏ鋼板の製造方法
KR20120073448A (ko) * 2010-12-27 2012-07-05 주식회사 포스코 강도 및 저온 인성이 우수한 후판강재 및 그 제조방법
KR20150074952A (ko) * 2013-12-24 2015-07-02 주식회사 포스코 소려 취화 저항성이 우수한 압력용기용 강판 및 그 제조 방법

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013409B2 (ja) * 1979-07-25 1985-04-06 川崎製鉄株式会社 圧力容器用クロム・モリブデン鋼の製造方法
JP3015923B2 (ja) * 1991-06-04 2000-03-06 新日本製鐵株式会社 強靱鋼の製造方法
JPH05339629A (ja) * 1992-06-11 1993-12-21 Kawasaki Steel Corp 強度と靱性に優れたＣｒ−Ｍｏ鋼の製造方法
JP2005179720A (ja) * 2003-12-18 2005-07-07 Nippon Steel Corp 天然ガス焚きボイラー排ガス環境での耐食性および機械的特性に優れた溶接構造用鋼板および溶接継手
US7520942B2 (en) * 2004-09-22 2009-04-21 Ut-Battelle, Llc Nano-scale nitride-particle-strengthened high-temperature wrought ferritic and martensitic steels
JP4696570B2 (ja) * 2005-01-26 2011-06-08 Ｊｆｅスチール株式会社 耐水素脆性特性に優れた高張力鋼材の製造方法
JP5277648B2 (ja) * 2007-01-31 2013-08-28 Ｊｆｅスチール株式会社 耐遅れ破壊特性に優れた高張力鋼板並びにその製造方法
EP2128288B1 (de) * 2007-01-31 2013-10-09 JFE Steel Corporation Hochfeste stahlprodukte mit hervorragender beständigkeit gegen verzögerte fraktur und herstellungsverfahren dafür
CN101613840B (zh) * 2008-06-23 2011-03-30 宝山钢铁股份有限公司 强韧性匹配及高温性能优良的特厚钢板及其制造方法
KR101094310B1 (ko) * 2008-09-18 2011-12-19 한국기계연구원 저온인성이 우수한 용접성 초고강도강 및 그 제조방법
KR101322067B1 (ko) * 2009-12-28 2013-10-25 주식회사 포스코 용접 후 열처리 저항성이 우수한 고강도 강판 및 그 제조방법
CN102277540B (zh) * 2010-06-10 2013-11-20 宝山钢铁股份有限公司 抗高温pwht软化的正火型钢板及其制造方法
CN104109801B (zh) * 2014-07-30 2016-04-27 宝山钢铁股份有限公司 高韧性、抗pwht软化脆化的钢板及其制造方法
KR101657828B1 (ko) * 2014-12-24 2016-10-04 주식회사 포스코 Ｐｗｈｔ 후 인성이 우수한 고강도 압력용기용 강재 및 그 제조방법
US20160281197A1 (en) * 2015-03-25 2016-09-29 Dalmine Spa Advanced Fe-5Cr-X Alloy
KR101778398B1 (ko) * 2015-12-17 2017-09-14 주식회사 포스코 용접 후 열처리 저항성이 우수한 압력용기 강판 및 그 제조방법
KR101758497B1 (ko) * 2015-12-22 2017-07-27 주식회사 포스코 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법
KR101917444B1 (ko) * 2016-12-20 2018-11-09 주식회사 포스코 고온 템퍼링 열처리 및 용접 후 열처리 저항성이 우수한 압력용기용 강재 및 이의 제조방법
KR101998991B1 (ko) * 2017-12-15 2019-07-10 주식회사 포스코 인장강도 및 저온충격인성이 우수한 압력용기용 강판 및 그 제조방법
KR101978074B1 (ko) * 2017-12-22 2019-05-13 현대제철 주식회사 고강도 강재 및 그 제조방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189347A (en) * 1966-06-28 1970-04-22 Nippon Kokan Kk High-Temperature Alloy Steel
US4855106A (en) * 1984-02-29 1989-08-08 Kabushiki Kaisha Kobe Seiko Sho Low alloy steels for use in pressure vessel
JPS61130457A (ja) * 1984-11-28 1986-06-18 Kobe Steel Ltd 圧力容器用Ｃｒ−Ｍｏ鋼
JPH01319629A (ja) * 1988-06-20 1989-12-25 Nippon Steel Corp 靭性の優れたＣｒ−Ｍｏ鋼板の製造方法
KR20120073448A (ko) * 2010-12-27 2012-07-05 주식회사 포스코 강도 및 저온 인성이 우수한 후판강재 및 그 제조방법
KR20150074952A (ko) * 2013-12-24 2015-07-02 주식회사 포스코 소려 취화 저항성이 우수한 압력용기용 강판 및 그 제조 방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021080291A1 *

Also Published As

Publication number Publication date
CN114585760B (zh) 2023-07-28
CN114585760A (zh) 2022-06-03
KR20210047698A (ko) 2021-04-30
EP4050118A1 (de) 2022-08-31
WO2021080291A1 (ko) 2021-04-29
JP7398559B2 (ja) 2023-12-14
KR102280641B1 (ko) 2021-07-22
JP2022553704A (ja) 2022-12-26
US20240102137A1 (en) 2024-03-28

Similar Documents

Publication Publication Date Title
EP3396010A4 (de) Aluminium-eisen-legierungsbeschichtetes stahlblech zur heisspressformung mit hervorragender wasserstoffverzögerter bruchfestigkeit, hervorragendem schälwiderstand und hervorragender schweissbarkeit und warmformteil damit
PL3441494T3 (pl) Blacha cienka z nierdzewnej stali austenitycznej na element układu wydechowego o doskonałej odporności cieplnej i obrabialności, element turbosprężarki oraz sposób wytwarzania blachy cienkiej z nierdzewnej stali austenitycznej na element układu wydechowego
EP3088552A4 (de) Stahlblech für heisspressgeformtes produkt mit hervorragender biegsamkeit und ultrahoher festigkeit, heisspressgeformtes produkt damit und verfahren zur herstellung davon
EP3392365A4 (de) Druckbehälterstahlblech mit hervorragender wärmebehandlungsbeständigkeit nach dem schweissen und herstellungsverfahren dafür
ZA202203768B (en) Flat plate heat pipe and manufacturing method therefor, and heat exchanger
EP4079896A4 (de) Nicht ausgerichtetes elektrisches stahlblech und verfahren zum herstellen desselben
WO2016104975A8 (ko) Ｐｗｈｔ 후 인성이 우수한 고강도 압력용기용 강재 및 그 제조방법
EP3950974A4 (de) Stahlblech, verfahren zu seiner herstellung und plattiertes stahlblech
EP3705596A4 (de) Stahlmaterial zum schweissen von stahlrohren mit ausgezeichneter tieftemperaturzähigkeit, stahlmaterial, das nach dem schweissen einer wärmebehandlung unterzogen wurde, und verfahren zu dessen herstellung
EP3889315A4 (de) Plattiertes stahlblech auf der basis von eisen-aluminium für heisspressformen mit hervorragenden eigenschaften gegen verzögerten wasserstoffinduzierten bruch und punktschweisseigenschaften sowie verfahren zu seiner herstellung
EP3690075A4 (de) Ferritischer edelstahl mit ausgezeichneter hochtemperaturoxidationsbeständigkeit und verfahren zu seiner herstellung
EP4029959A4 (de) Hochfestes stahlblech und verfahren zur herstellung desselben
EP4015661A4 (de) Stahlplatte, element und verfahren zum herstellen dieser stahlplatte und element
EP3943286A4 (de) Zusammengesetztes wärmeübertragungselement und verfahren zur herstellung eines zusammengesetzten wärmeübertragungselements
EP4015660A4 (de) Stahlblech, element, verfahren zum produzieren dieses stahlblechs und verfahren zum produzieren des elements
EP3889312A4 (de) Mit al-fe plattiertes stahlblech für die warmverformung mit ausgezeichneter korrosionsbeständigkeit und punktschweissbarkeit und verfahren zu seiner herstellung
GB202202544D0 (en) Nickle-cerium biochar catalyst, preparation method and application thereof
ZA201205760B (en) High strength cold rolled steel sheet and plated steel sheet having excellent bake hardenability and formability, and method for manufacturing the same
EP3330396A4 (de) Kaltgewalztes stahlblech, plattiertes stahlblech und verfahren zur herstellung davon
EP4050118A4 (de) Stahlplatte für druckbehälter mit ausgezeichneter beständigkeit gegen hochtemperatur-wärmebehandlung nach dem schweissen und verfahren zu ihrer herstellung
EP4006345A4 (de) Pumpenkörperanordnung, wärmeaustauscheinrichtung, strömungsmaschine und betriebsverfahren dafür
EP4265815A4 (de) Plattierter stahl für heisspressformen und verfahren zur herstellung davon
EP3638843A4 (de) Verfahren, prozesse und vorrichtungen zur herstellung von gefärbten und geschweissten substraten
EP4019657A4 (de) Stahl und verfahren zur herstellung davon
EP3878994A4 (de) Kaltgewalztes stahlblech für zirkonbasierte chemische konversionsbehandlung, verfahren zur herstellung davon, durch zirkonbasierte chemische umwandlung behandeltes stahlblech und verfahren zur herstellung davon

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220516

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240306

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/613 20060101ALI20240229BHEP

Ipc: C21D 1/26 20060101ALI20240229BHEP

Ipc: C21D 1/22 20060101ALI20240229BHEP

Ipc: C21D 1/18 20060101ALI20240229BHEP

Ipc: C21D 9/14 20060101ALI20240229BHEP

Ipc: C21D 6/02 20060101ALI20240229BHEP

Ipc: C21D 6/00 20060101ALI20240229BHEP

Ipc: C21D 9/50 20060101ALI20240229BHEP

Ipc: C21D 8/02 20060101ALI20240229BHEP

Ipc: C21D 9/46 20060101ALI20240229BHEP

Ipc: C22C 38/06 20060101ALI20240229BHEP

Ipc: C22C 38/02 20060101ALI20240229BHEP

Ipc: C22C 38/04 20060101ALI20240229BHEP

Ipc: C22C 38/26 20060101ALI20240229BHEP

Ipc: C22C 38/24 20060101ALI20240229BHEP

Ipc: C22C 38/22 20060101AFI20240229BHEP