EP4116453A4 - Tube en acier, et plaque en acier - Google Patents

Tube en acier, et plaque en acier Download PDF

Info

Publication number
EP4116453A4
EP4116453A4 EP20923002.8A EP20923002A EP4116453A4 EP 4116453 A4 EP4116453 A4 EP 4116453A4 EP 20923002 A EP20923002 A EP 20923002A EP 4116453 A4 EP4116453 A4 EP 4116453A4
Authority
EP
European Patent Office
Prior art keywords
steel
pipe
sheet
steel sheet
steel 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
EP20923002.8A
Other languages
German (de)
English (en)
Other versions
EP4116453A1 (fr
Inventor
Takuya Hara
Yasuhiro Shinohara
Taishi Fujishiro
Kiyoshi Ebihara
Eiji Tsuru
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP4116453A1 publication Critical patent/EP4116453A1/fr
Publication of EP4116453A4 publication Critical patent/EP4116453A4/fr
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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies 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
    • 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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/08—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
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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
    • 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
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • C21D2211/005—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
    • 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
    • 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

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Rod-Shaped Construction Members (AREA)
EP20923002.8A 2020-03-04 2020-03-04 Tube en acier, et plaque en acier Pending EP4116453A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/009114 WO2021176590A1 (fr) 2020-03-04 2020-03-04 Tube en acier, et plaque en acier

Publications (2)

Publication Number Publication Date
EP4116453A1 EP4116453A1 (fr) 2023-01-11
EP4116453A4 true EP4116453A4 (fr) 2023-03-22

Family

ID=77613235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20923002.8A Pending EP4116453A4 (fr) 2020-03-04 2020-03-04 Tube en acier, et plaque en acier

Country Status (6)

Country Link
EP (1) EP4116453A4 (fr)
JP (1) JP7360075B2 (fr)
KR (1) KR20220131992A (fr)
CN (1) CN115210396A (fr)
BR (1) BR112022013767A2 (fr)
WO (1) WO2021176590A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116043108B (zh) * 2022-12-13 2024-09-20 东北大学 一种低屈强比V-N微合金化的690MPa级别中厚板及其制备方法
CN116288065A (zh) * 2022-12-14 2023-06-23 鞍钢股份有限公司 一种轻量化桩体用涂装用钢板及其生产方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012241270A (ja) * 2011-05-24 2012-12-10 Jfe Steel Corp 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
JP2016079431A (ja) * 2014-10-14 2016-05-16 新日鐵住金株式会社 油井用電縫鋼管及びその製造方法
WO2019058422A1 (fr) * 2017-09-19 2019-03-28 新日鐵住金株式会社 Tube en acier et tôle en acier
WO2019058420A1 (fr) * 2017-09-19 2019-03-28 新日鐵住金株式会社 Tube en acier et plaque d'acier
WO2019058424A1 (fr) * 2017-09-19 2019-03-28 新日鐵住金株式会社 Tube en acier et tôle d'acier
WO2019064459A1 (fr) * 2017-09-28 2019-04-04 Ｊｆｅスチール株式会社 Plaque d'acier à haute résistance pour tuyau de canalisation résistant à l'acidité, son procédé de fabrication, et tuyau en acier à haute résistance utilisant une plaque d'acier à haute résistance pour tuyau de conduite résistant à l'acidité

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4631193B2 (ja) * 2001-03-29 2011-02-16 Ｊｆｅスチール株式会社 塗覆装鋼管の製造方法
JP4071995B2 (ja) * 2002-05-24 2008-04-02 新日本製鐵株式会社 圧潰強度に優れたｕｏｅ鋼管の製造方法
JP4072009B2 (ja) * 2002-07-01 2008-04-02 新日本製鐵株式会社 圧潰強度の高いｕｏｅ鋼管の製造方法
JP4853575B2 (ja) * 2009-02-06 2012-01-11 Ｊｆｅスチール株式会社 耐座屈性能及び溶接熱影響部靭性に優れた低温用高強度鋼管およびその製造方法
JP5504717B2 (ja) 2009-07-08 2014-05-28 新日鐵住金株式会社 耐サワーラインパイプ用電縫鋼管の製造方法
JP5561120B2 (ja) * 2009-11-25 2014-07-30 Ｊｆｅスチール株式会社 高圧縮強度高靭性ラインパイプ用溶接鋼管及びその製造方法
RU2534566C1 (ru) * 2010-09-14 2014-11-27 Ниппон Стил Энд Сумитомо Метал Корпорейшн Толстостенная сварная стальная труба с превосходной низкотемпературной ударной вязкостью, способ изготовления толстостенной сварной стальной трубы с превосходной низкотемпературной ударной вязкостью, и стальная пластина для изготовления толстостенной сварной стальной трубы
JP5672916B2 (ja) 2010-09-30 2015-02-18 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
JP5751013B2 (ja) * 2011-05-24 2015-07-22 Ｊｆｅスチール株式会社 耐圧潰性および耐サワー性に優れた高強度ラインパイプの製造方法
JP5751012B2 (ja) * 2011-05-24 2015-07-22 Ｊｆｅスチール株式会社 耐圧潰性および耐サワー性に優れた高強度ラインパイプの製造方法
JP5796351B2 (ja) * 2011-05-24 2015-10-21 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およびその製造方法
JP5900303B2 (ja) 2011-12-09 2016-04-06 Ｊｆｅスチール株式会社 鋼板内の材質均一性に優れた耐サワーラインパイプ用高強度鋼板とその製造方法
JP5928405B2 (ja) 2013-05-09 2016-06-01 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
EP3546610B1 (fr) * 2017-03-29 2021-06-16 Nippon Steel Corporation Tuyau en acier soudé par résistance électrique tel que laminé pour tuyaux de canalisation
KR20190129957A (ko) * 2017-03-30 2019-11-20 제이에프이 스틸 가부시키가이샤 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012241270A (ja) * 2011-05-24 2012-12-10 Jfe Steel Corp 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
JP2016079431A (ja) * 2014-10-14 2016-05-16 新日鐵住金株式会社 油井用電縫鋼管及びその製造方法
WO2019058422A1 (fr) * 2017-09-19 2019-03-28 新日鐵住金株式会社 Tube en acier et tôle en acier
WO2019058420A1 (fr) * 2017-09-19 2019-03-28 新日鐵住金株式会社 Tube en acier et plaque d'acier
WO2019058424A1 (fr) * 2017-09-19 2019-03-28 新日鐵住金株式会社 Tube en acier et tôle d'acier
WO2019064459A1 (fr) * 2017-09-28 2019-04-04 Ｊｆｅスチール株式会社 Plaque d'acier à haute résistance pour tuyau de canalisation résistant à l'acidité, son procédé de fabrication, et tuyau en acier à haute résistance utilisant une plaque d'acier à haute résistance pour tuyau de conduite résistant à l'acidité

Also Published As

Publication number Publication date
WO2021176590A1 (fr) 2021-09-10
JP7360075B2 (ja) 2023-10-12
CN115210396A (zh) 2022-10-18
KR20220131992A (ko) 2022-09-29
BR112022013767A2 (pt) 2022-10-11
JPWO2021176590A1 (fr) 2021-09-10
EP4116453A1 (fr) 2023-01-11

Similar Documents

Publication Publication Date Title
EP3816311A4 (fr) Tuyau d'acier et tôle d'acier
EP4122702A4 (fr) Tôle d'acier laminée à froid
EP4130325A4 (fr) Tôle en acier, élément, et procédés de fabrication de ceux-ci
EP4339319A4 (fr) Tôle d'acier galvanisée
EP4141132A4 (fr) Tôle en acier revêtue de zinc, élément, et procédés de fabrication de ceux-ci
EP4332250A4 (fr) Feuille d'acier et feuille d'acier plaquée
EP3936630A4 (fr) Tôle d'acier laminée à chaud
EP4206343A4 (fr) Tôle d'acier laminée à chaud
EP4223892A4 (fr) Tôle d'acier et procédé de fabrication de tôle d'acier
EP3916112A4 (fr) Tôle d'acier épaisse et son procédé de production
EP4116453A4 (fr) Tube en acier, et plaque en acier
EP4092149A4 (fr) Tôle d'acier et tuyau en acier
EP4089192A4 (fr) Tôle d'acier, et procédé de fabrication de celle-ci
EP4223901A4 (fr) Tôle d'acier
EP3936629A4 (fr) Tôle d'acier laminée à chaud et procédé de production s'y rapportant
EP4101939A4 (fr) Tôle d'acier électromagnétique orientée
EP4180545A4 (fr) Tôle d'acier laminée à chaud
EP4186987A4 (fr) Tôle d'acier et son procédé de fabrication
EP4108792A4 (fr) Tôle d'acier laminée à chaud
EP4137602A4 (fr) Tôle d'acier galvanisée, élément et leurs procédés de fabrication
EP4163405A4 (fr) Tôle d'acier, et procédé de fabrication de celle-ci
EP4130326A4 (fr) Tôle en acier, élément, et procédés de fabrication de ceux-ci
EP4194191A4 (fr) Tôle d'acier
EP4123046A4 (fr) Tôle d'acier
EP4180546A4 (fr) Tôle d'acier laminée à chaud

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: 20220726

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

A4 Supplementary search report drawn up and despatched

Effective date: 20230222

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/04 20060101ALI20230216BHEP

Ipc: C21D 9/46 20060101ALI20230216BHEP

Ipc: C21D 8/10 20060101ALI20230216BHEP

Ipc: C21D 1/78 20060101ALI20230216BHEP

Ipc: C21D 1/60 20060101ALI20230216BHEP

Ipc: C22C 38/58 20060101ALI20230216BHEP

Ipc: C21D 9/50 20060101ALI20230216BHEP

Ipc: C21D 9/08 20060101ALI20230216BHEP

Ipc: C21D 8/02 20060101ALI20230216BHEP

Ipc: C22C 38/00 20060101AFI20230216BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 9/50 20060101ALN20240503BHEP

Ipc: C21D 8/10 20060101ALN20240503BHEP

Ipc: C21D 9/46 20060101ALN20240503BHEP

Ipc: C21D 1/60 20060101ALN20240503BHEP

Ipc: C21D 1/26 20060101ALN20240503BHEP

Ipc: C22C 38/44 20060101ALI20240503BHEP

Ipc: C22C 38/42 20060101ALI20240503BHEP

Ipc: C22C 38/38 20060101ALI20240503BHEP

Ipc: C22C 38/28 20060101ALI20240503BHEP

Ipc: C22C 38/26 20060101ALI20240503BHEP

Ipc: C22C 38/22 20060101ALI20240503BHEP

Ipc: C22C 38/20 20060101ALI20240503BHEP

Ipc: C22C 38/16 20060101ALI20240503BHEP

Ipc: C22C 38/14 20060101ALI20240503BHEP

Ipc: C22C 38/12 20060101ALI20240503BHEP

Ipc: C22C 38/08 20060101ALI20240503BHEP

Ipc: C22C 38/02 20060101ALI20240503BHEP

Ipc: C21D 8/02 20060101ALI20240503BHEP

Ipc: C21D 9/08 20060101ALI20240503BHEP

Ipc: C22C 38/58 20060101ALI20240503BHEP

Ipc: C21D 1/78 20060101ALI20240503BHEP

Ipc: C22C 38/04 20060101ALI20240503BHEP

Ipc: C22C 38/00 20060101AFI20240503BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 9/50 20060101ALN20240520BHEP

Ipc: C21D 8/10 20060101ALN20240520BHEP

Ipc: C21D 9/46 20060101ALN20240520BHEP

Ipc: C21D 1/60 20060101ALN20240520BHEP

Ipc: C21D 1/26 20060101ALN20240520BHEP

Ipc: C22C 38/44 20060101ALI20240520BHEP

Ipc: C22C 38/42 20060101ALI20240520BHEP

Ipc: C22C 38/38 20060101ALI20240520BHEP

Ipc: C22C 38/28 20060101ALI20240520BHEP

Ipc: C22C 38/26 20060101ALI20240520BHEP

Ipc: C22C 38/22 20060101ALI20240520BHEP

Ipc: C22C 38/20 20060101ALI20240520BHEP

Ipc: C22C 38/16 20060101ALI20240520BHEP

Ipc: C22C 38/14 20060101ALI20240520BHEP

Ipc: C22C 38/12 20060101ALI20240520BHEP

Ipc: C22C 38/08 20060101ALI20240520BHEP

Ipc: C22C 38/02 20060101ALI20240520BHEP

Ipc: C21D 8/02 20060101ALI20240520BHEP

Ipc: C21D 9/08 20060101ALI20240520BHEP

Ipc: C22C 38/58 20060101ALI20240520BHEP

Ipc: C21D 1/78 20060101ALI20240520BHEP

Ipc: C22C 38/04 20060101ALI20240520BHEP

Ipc: C22C 38/00 20060101AFI20240520BHEP

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

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20240626