EP3831978A4 - Acier inoxydable ferritique avec ajout de ti et nb ayant une excellente ténacité de soudures à basse température - Google Patents

Acier inoxydable ferritique avec ajout de ti et nb ayant une excellente ténacité de soudures à basse température Download PDF

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Publication number
EP3831978A4
EP3831978A4 EP18928736.0A EP18928736A EP3831978A4 EP 3831978 A4 EP3831978 A4 EP 3831978A4 EP 18928736 A EP18928736 A EP 18928736A EP 3831978 A4 EP3831978 A4 EP 3831978A4
Authority
EP
European Patent Office
Prior art keywords
addition
stainless steel
low temperature
ferritic stainless
temperature welding
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.)
Withdrawn
Application number
EP18928736.0A
Other languages
German (de)
English (en)
Other versions
EP3831978A1 (fr
Inventor
Jong Chul Kim
Wan-Yi KIM
Il Chan JUNG
Jin-Suk Kim
Deok Chan Ahn
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 EP3831978A1 publication Critical patent/EP3831978A1/fr
Publication of EP3831978A4 publication Critical patent/EP3831978A4/fr
Withdrawn legal-status Critical Current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
    • C22C38/28—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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005—Manufacture of stainless steel
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C22C38/04—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP18928736.0A 2018-08-03 2018-11-02 Acier inoxydable ferritique avec ajout de ti et nb ayant une excellente ténacité de soudures à basse température Withdrawn EP3831978A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180090874A KR20200015265A (ko) 2018-08-03 2018-08-03 용접부 저온인성이 우수한 Ti, Nb 첨가 페라이트계 스테인리스강
PCT/KR2018/013229 WO2020027380A1 (fr) 2018-08-03 2018-11-02 Acier inoxydable ferritique avec ajout de ti et nb ayant une excellente ténacité de soudures à basse température

Publications (2)

Publication Number Publication Date
EP3831978A1 EP3831978A1 (fr) 2021-06-09
EP3831978A4 true EP3831978A4 (fr) 2021-09-08

Family

ID=69231991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18928736.0A Withdrawn EP3831978A4 (fr) 2018-08-03 2018-11-02 Acier inoxydable ferritique avec ajout de ti et nb ayant une excellente ténacité de soudures à basse température

Country Status (5)

Country Link
US (1) US20210310105A1 (fr)
EP (1) EP3831978A4 (fr)
KR (1) KR20200015265A (fr)
CN (1) CN112654727A (fr)
WO (1) WO2020027380A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11891681B2 (en) * 2021-02-17 2024-02-06 Nippon Steel Stainless Steel Corporation Ferritic stainless steel sheet, method for producing the same, and part
JP7603502B2 (ja) * 2021-03-26 2024-12-20 日鉄ステンレス株式会社 フェライト系ステンレス鋼板
CN120843980B (zh) * 2025-09-22 2026-01-09 鞍钢股份有限公司 一种电渣重熔生产的高耐蚀性海工钢板及其制造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685923A (en) * 1994-12-28 1997-11-11 Nippon Steel Corporation Ferritic stainless steel bellows
US20040154708A1 (en) * 2002-03-27 2004-08-12 Akihiko Takahashi Cast piece and sheet of ferritic stainless steel, and method for production thereof
KR20100077244A (ko) * 2008-12-29 2010-07-08 주식회사 포스코 표면품질이 우수한 페라이트계 스테인리스강 및 그의 제조방법
KR20150000893A (ko) * 2013-03-29 2015-01-05 닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션 냉간 단조성 및 절삭성이 우수한 페라이트계 스테인리스 강선
KR20180000782A (ko) * 2016-06-23 2018-01-04 주식회사 포스코 용접부 저온인성이 우수한 페라이트계 스테인리스강

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08333656A (ja) * 1995-06-05 1996-12-17 Nippon Steel Corp ベローズ用フェライト系ステンレス鋼管
KR20000001715A (ko) 1998-06-12 2000-01-15 조현정 약품 재고 관리 시스템
JP4055252B2 (ja) 1998-06-18 2008-03-05 Ｊｆｅスチール株式会社 含クロム鋼の溶製方法
JP3448537B2 (ja) 2000-03-10 2003-09-22 新日本製鐵株式会社 溶接性に優れたフェライト系ステンレス鋼
JP3837083B2 (ja) * 2002-04-16 2006-10-25 新日本製鐵株式会社 溶接熱影響部靭性の優れた１パス大入熱溶接方法
JP4309140B2 (ja) * 2003-01-15 2009-08-05 新日鐵住金ステンレス株式会社 自動車排気系機器用フェライト系ステンレス鋼
KR100718410B1 (ko) * 2005-12-09 2007-05-14 가부시키가이샤 고베 세이코쇼 용접이음부의 저온 인성이 우수한 강판
KR20070068211A (ko) * 2005-12-26 2007-06-29 주식회사 포스코 대입열 용접에 적용되는 용접용 강재의 제조 방법 및대입열 용접에 의해 제조된 용접 구조물
KR100856306B1 (ko) * 2006-12-11 2008-09-03 주식회사 포스코 용접부의 저온 가공성이 우수한 페라이트계 스테인리스강
JP2009091654A (ja) * 2007-09-18 2009-04-30 Jfe Steel Kk 溶接性に優れたフェライト系ステンレス鋼
JP5242495B2 (ja) * 2009-05-08 2013-07-24 新日鐵住金ステンレス株式会社 高温耐久性に優れたボス材用フェライト系ステンレス鋼線
KR101239555B1 (ko) 2009-12-24 2013-03-06 주식회사 포스코 티타늄 첨가 페라이트계 스테인리스강 주편 등축정율 향상방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685923A (en) * 1994-12-28 1997-11-11 Nippon Steel Corporation Ferritic stainless steel bellows
US20040154708A1 (en) * 2002-03-27 2004-08-12 Akihiko Takahashi Cast piece and sheet of ferritic stainless steel, and method for production thereof
KR20100077244A (ko) * 2008-12-29 2010-07-08 주식회사 포스코 표면품질이 우수한 페라이트계 스테인리스강 및 그의 제조방법
KR20150000893A (ko) * 2013-03-29 2015-01-05 닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션 냉간 단조성 및 절삭성이 우수한 페라이트계 스테인리스 강선
KR20180000782A (ko) * 2016-06-23 2018-01-04 주식회사 포스코 용접부 저온인성이 우수한 페라이트계 스테인리스강

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020027380A1 *

Also Published As

Publication number Publication date
KR20200015265A (ko) 2020-02-12
WO2020027380A1 (fr) 2020-02-06
EP3831978A1 (fr) 2021-06-09
US20210310105A1 (en) 2021-10-07
CN112654727A (zh) 2021-04-13

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