EP4129510A4 - Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr - Google Patents

Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr

Info

Publication number
EP4129510A4
EP4129510A4 EP21774925.8A EP21774925A EP4129510A4 EP 4129510 A4 EP4129510 A4 EP 4129510A4 EP 21774925 A EP21774925 A EP 21774925A EP 4129510 A4 EP4129510 A4 EP 4129510A4
Authority
EP
European Patent Office
Prior art keywords
strength steel
acid
steel sheet
pipe
resistant pipe
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
EP21774925.8A
Other languages
English (en)
French (fr)
Other versions
EP4129510A1 (de
Inventor
Daichi Izumi
Junji Shimamura
Yuta TAMURA
Satoshi Ueoka
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4129510A1 publication Critical patent/EP4129510A1/de
Publication of EP4129510A4 publication Critical patent/EP4129510A4/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/02Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D6/005Heat 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying 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
    • C21D8/0226Hot 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • C21D8/0263Modifying 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • 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
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium 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

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
EP21774925.8A 2020-03-26 2021-03-18 Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr Pending EP4129510A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020056573 2020-03-26
PCT/JP2021/011238 WO2021193383A1 (ja) 2020-03-26 2021-03-18 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管

Publications (2)

Publication Number Publication Date
EP4129510A1 EP4129510A1 (de) 2023-02-08
EP4129510A4 true EP4129510A4 (de) 2025-01-29

Family

ID=77891750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21774925.8A Pending EP4129510A4 (de) 2020-03-26 2021-03-18 Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr

Country Status (5)

Country Link
EP (1) EP4129510A4 (de)
JP (1) JP7264269B2 (de)
KR (1) KR102834030B1 (de)
CN (1) CN115298340B (de)
WO (1) WO2021193383A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023233734A1 (ja) * 2022-06-03 2023-12-07 Jfeスチール株式会社 サワーガス設備用高強度鋼板及びそれを用いた高強度鋼管
EP4488400A4 (de) * 2022-06-03 2026-03-18 Jfe Steel Corp Hochfestes stahlblech für sauergasausrüstung und hochfestes stahlrohr damit
JP7722599B2 (ja) * 2023-05-17 2025-08-13 Jfeスチール株式会社 鋼管およびその製造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013237101A (ja) * 2012-04-20 2013-11-28 Kobe Steel Ltd 耐水素誘起割れ性に優れた鋼材およびその製造方法
EP2871252A1 (de) * 2012-07-09 2015-05-13 JFE Steel Corporation Dickwandiges und hochfestes säurebeständiges leitungsrohr und verfahren zu seiner herstellung
JP2018168441A (ja) * 2017-03-30 2018-11-01 Jfeスチール株式会社 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管
JP2019131840A (ja) * 2018-01-29 2019-08-08 Jfeスチール株式会社 耐サワーラインパイプ用高強度鋼板の製造方法、及び耐サワーラインパイプ用高強度鋼板、並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管
WO2020003499A1 (ja) * 2018-06-29 2020-01-02 日本製鉄株式会社 鋼管及び鋼板
EP3604584A1 (de) * 2017-03-30 2020-02-05 JFE Steel Corporation Hochfeste stahlplatte für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit hochfestem stahlblech für sauergasbeständiges leitungsrohr

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62238378A (ja) * 1986-04-08 1987-10-19 Kobe Steel Ltd 耐水素誘起割れ性の優れた表面処理鋼材
JPH0957327A (ja) 1995-08-22 1997-03-04 Sumitomo Metal Ind Ltd 厚鋼板のスケール除去方法
JP3951429B2 (ja) 1998-03-30 2007-08-01 Jfeスチール株式会社 板厚方向材質差の小さい高張力鋼板の製造方法
JP3951428B2 (ja) 1998-03-30 2007-08-01 Jfeスチール株式会社 板厚方向材質差の小さい高張力鋼板の製造方法
JP3796133B2 (ja) 2000-04-18 2006-07-12 新日本製鐵株式会社 厚鋼板冷却方法およびその装置
JP2002327212A (ja) 2001-02-28 2002-11-15 Nkk Corp 耐サワーラインパイプ用鋼板の製造方法
JP3711896B2 (ja) 2001-06-26 2005-11-02 Jfeスチール株式会社 高強度ラインパイプ用鋼板の製造方法
JP4710423B2 (ja) * 2005-06-08 2011-06-29 Jfeスチール株式会社 耐ssc特性に優れた高張力鋼板の製造方法
AU2009234667B2 (en) * 2008-04-10 2012-03-08 Nippon Steel Corporation High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both
KR101304859B1 (ko) * 2009-12-04 2013-09-05 주식회사 포스코 표면균열 저항성이 우수한 초고강도 라인파이프용 강판 및 그 제조방법
JP5652110B2 (ja) * 2010-10-18 2015-01-14 Jfeスチール株式会社 レーザー切断性に優れた鋼板およびその製造方法
JP5803270B2 (ja) * 2011-05-24 2015-11-04 Jfeスチール株式会社 耐圧潰性に優れた高強度耐サワーラインパイプ及びその製造方法
CN104024461B (zh) * 2012-03-30 2016-04-06 新日铁住金株式会社 抗氢诱发裂纹性优良的高强度管道用钢管和其所使用的高强度管道用钢板、以及它们的制造方法
CN106544587A (zh) * 2016-10-26 2017-03-29 首钢总公司 连铸坯大壁厚深海管线用热轧钢板及其生产方法
CN107326261A (zh) * 2017-06-16 2017-11-07 武汉钢铁有限公司 低屈强比薄规格高强抗酸管线钢热轧卷板及其制造方法
JP7155702B2 (ja) * 2018-07-19 2022-10-19 日本製鉄株式会社 耐サワーラインパイプ用厚鋼板およびその製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013237101A (ja) * 2012-04-20 2013-11-28 Kobe Steel Ltd 耐水素誘起割れ性に優れた鋼材およびその製造方法
EP2871252A1 (de) * 2012-07-09 2015-05-13 JFE Steel Corporation Dickwandiges und hochfestes säurebeständiges leitungsrohr und verfahren zu seiner herstellung
JP2018168441A (ja) * 2017-03-30 2018-11-01 Jfeスチール株式会社 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管
EP3604584A1 (de) * 2017-03-30 2020-02-05 JFE Steel Corporation Hochfeste stahlplatte für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit hochfestem stahlblech für sauergasbeständiges leitungsrohr
JP2019131840A (ja) * 2018-01-29 2019-08-08 Jfeスチール株式会社 耐サワーラインパイプ用高強度鋼板の製造方法、及び耐サワーラインパイプ用高強度鋼板、並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管
WO2020003499A1 (ja) * 2018-06-29 2020-01-02 日本製鉄株式会社 鋼管及び鋼板

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021193383A1 *

Also Published As

Publication number Publication date
CN115298340B (zh) 2023-10-31
CN115298340A (zh) 2022-11-04
KR20220137970A (ko) 2022-10-12
BR112022019204A2 (pt) 2022-11-08
EP4129510A1 (de) 2023-02-08
JP7264269B2 (ja) 2023-04-25
KR102834030B1 (ko) 2025-07-14
JPWO2021193383A1 (de) 2021-09-30
WO2021193383A1 (ja) 2021-09-30

Similar Documents

Publication Publication Date Title
EP4006180A4 (de) Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr
EP3604584A4 (de) Hochfeste stahlplatte für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit hochfestem stahlblech für sauergasbeständiges leitungsrohr
EP3971308A4 (de) Hochfestes element, verfahren zur herstellung eines hochfesten elements und verfahren zur herstellung eines stahlblechs für hochfestes element
EP3604592A4 (de) Hochfestes stahlblech für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit hochfestem stahlblech für sauergasbeständiges leitungsrohr
EP4129510A4 (de) Hochfestes stahlblech für säureresistentes leitungsrohr, verfahren zur herstellung davon und mit hochfestem stahlblech hergestelltes leitungsrohr für säureresistentes stahlrohr
EP3859026A4 (de) Hochfestes stahlblech für sauergasbeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit verwendung von hochfestem stahlblech für sauergasbeständiges leitungsrohr
EP3859027A4 (de) Hochfestes stahlblech für säurebeständiges leitungsrohr, verfahren zur herstellung davon und hochfestes stahlrohr mit einem hochfesten stahlblech für säurebeständiges leitungsrohr
EP4332254A4 (de) Hochfestes stahlblech und herstellungsverfahren dafür
US7621164B2 (en) Push bench and method of manufacturing small diameter tubing
EP3822382A4 (de) Hochfestes stahlblech und verfahren zur herstellung davon
EP3452249A4 (de) Hochmanganstahlrohr mit beständigkeit des schweissnahtbereichs gegen step-out-erosion/-korrosion und verfahren zur herstellung davon
EP2832879A4 (de) Hochfestes stahlrohr für leitungsrohr mit hervorragender beständigkeit gegen wasserstoffinduzierte rissbildung, hochfestes stahlrohr für ein leitungsrohr damit und verfahren zur herstellung davon
EP4067513A4 (de) Hochfestes galvanisiertes stahlblech und verfahren zur herstellung davon
EP2295615A4 (de) Hochfeste warmgewalzte stahlplatte für leitungsrohre mit hervorragender niedrigtemperaturfestigkeit und dehnungsbruchverhinderung sowie herstellungsverfahren dafür
EP2397570A4 (de) Stahlplatte für leitungsrohre mit hervorragender festigkeit und duktilität und herstellungsverfahren dafür
EP3859035A4 (de) Ultrahochfeste q960e-stahlbramme und herstellungsverfahren
EP3916115A4 (de) Hochfestes stahlblech und verfahren zur herstellung davon
EP4265764A4 (de) Hochfestes stahlblech mit hervorragender bearbeitbarkeit und verfahren zur herstellung davon
EP3933054A4 (de) Hochfestes stahlblech und verfahren zur herstellung davon
EP3910087A4 (de) Hochfestes kaltgewalztes stahlblech und herstellungsverfahren dafür
EP4056724A4 (de) Hochfester stahl, der eine hohe streckgrenze und eine ausgezeichnete haltbarkeit aufweist, und verfahren zur herstellung desselben
MA49613A (fr) Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité, une aptitude au formage et une soudabilité élevées et tôle d'acier ainsi obtenue
EP3913072A4 (de) Verfahren zur herstellung von orientiertem elektromagnetischem stahlblech und orientiertes elektromagnetisches stahlblech
EP4265349A4 (de) Verfahren zur herstellung eines orientierten elektromagnetischen stahlblechs und walzausrüstung zur herstellung eines elektromagnetischen stahlblechs
EP1870484A4 (de) Hochfeste stahlplatte und herstellungsverfahren dafür und hochfestes stahlrohr

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: 20221007

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)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: B21B0045020000

Ipc: C22C0038040000

A4 Supplementary search report drawn up and despatched

Effective date: 20250108

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/02 20060101ALI20241223BHEP

Ipc: C21D 9/08 20060101ALI20241223BHEP

Ipc: C21D 8/10 20060101ALI20241223BHEP

Ipc: C21D 1/18 20060101ALI20241223BHEP

Ipc: C21D 6/00 20060101ALI20241223BHEP

Ipc: C21D 8/06 20060101ALI20241223BHEP

Ipc: C21D 8/02 20060101ALI20241223BHEP

Ipc: C21D 9/46 20060101ALI20241223BHEP

Ipc: C22C 38/28 20060101ALI20241223BHEP

Ipc: C22C 38/26 20060101ALI20241223BHEP

Ipc: C22C 38/14 20060101ALI20241223BHEP

Ipc: C22C 38/08 20060101ALI20241223BHEP

Ipc: C22C 38/16 20060101ALI20241223BHEP

Ipc: C22C 38/38 20060101ALI20241223BHEP

Ipc: C22C 38/22 20060101ALI20241223BHEP

Ipc: C22C 38/00 20060101ALI20241223BHEP

Ipc: C22C 38/12 20060101ALI20241223BHEP

Ipc: C22C 38/06 20060101ALI20241223BHEP

Ipc: C22C 38/02 20060101ALI20241223BHEP

Ipc: C22C 38/04 20060101AFI20241223BHEP