EP4177369A4 - Austenitischer edelstahl und herstellungsverfahren dafür - Google Patents

Austenitischer edelstahl und herstellungsverfahren dafür Download PDF

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Publication number
EP4177369A4
EP4177369A4 EP21864595.0A EP21864595A EP4177369A4 EP 4177369 A4 EP4177369 A4 EP 4177369A4 EP 21864595 A EP21864595 A EP 21864595A EP 4177369 A4 EP4177369 A4 EP 4177369A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
production methods
austenitic stainless
methods therefor
therefor
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
EP21864595.0A
Other languages
English (en)
French (fr)
Other versions
EP4177369A1 (de
Inventor
Sangseok KIM
Mi-Nam Park
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 EP4177369A1 publication Critical patent/EP4177369A1/de
Publication of EP4177369A4 publication Critical patent/EP4177369A4/de
Pending legal-status Critical Current

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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying 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
    • C21D8/0226—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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying 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
    • C21D8/0236—Cold 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying 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
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying 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
    • C21D8/0263—Modifying 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
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying 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
    • C21D8/0273—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
    • C21D9/46—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
    • C22C38/02—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D2211/001—Austenite

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 Sheet Steel (AREA)
EP21864595.0A 2020-09-03 2021-08-26 Austenitischer edelstahl und herstellungsverfahren dafür Pending EP4177369A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200112382A KR102448735B1 (ko) 2020-09-03 2020-09-03 오스테나이트계 스테인리스강 및 그 제조 방법
PCT/KR2021/011462 WO2022050635A1 (ko) 2020-09-03 2021-08-26 오스테나이트계 스테인리스강 및 그 제조 방법

Publications (2)

Publication Number Publication Date
EP4177369A1 EP4177369A1 (de) 2023-05-10
EP4177369A4 true EP4177369A4 (de) 2024-07-17

Family

ID=80491149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21864595.0A Pending EP4177369A4 (de) 2020-09-03 2021-08-26 Austenitischer edelstahl und herstellungsverfahren dafür

Country Status (6)

Country Link
US (1) US20230279531A1 (de)
EP (1) EP4177369A4 (de)
JP (1) JP7603147B2 (de)
KR (1) KR102448735B1 (de)
CN (1) CN116075600B (de)
WO (1) WO2022050635A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102463015B1 (ko) * 2020-11-23 2022-11-03 주식회사 포스코 열간가공성이 우수한 고강도 오스테나이트계 스테인리스강
KR102497442B1 (ko) * 2020-11-25 2023-02-08 주식회사 포스코 접촉저항이 향상된 고분자 연료전지 분리판용 오스테나이트계 스테인리스강 및 그 제조 방법
KR20230026705A (ko) * 2021-08-18 2023-02-27 주식회사 포스코 오스테나이트계 스테인리스강 및 그 제조 방법
KR20230091618A (ko) * 2021-12-16 2023-06-23 주식회사 포스코 오스테나이트계 스테인리스 강 및 그 제조방법
KR20230153865A (ko) * 2022-04-29 2023-11-07 주식회사 포스코 오스테나이트계 스테인리스강
KR102833726B1 (ko) 2022-11-15 2025-07-14 한국생산기술연구원 오스테나이트계 스테인리스강 및 이의 제조방법
KR20240097192A (ko) * 2022-12-20 2024-06-27 주식회사 포스코 오스테나이트계 스테인리스강 및 그 제조방법
CN117026080B (zh) * 2023-08-04 2025-12-26 北京科技大学 一种高强度中氮奥氏体不锈钢板及制备方法
CN118326282B (zh) * 2024-06-13 2024-08-13 浦项(张家港)不锈钢股份有限公司 一种奥氏体不锈钢板带及其制造方法
CN119265480B (zh) * 2024-09-13 2025-08-29 山西太钢不锈钢股份有限公司 一种高速列车用的301l不锈钢冷硬板及其制备方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005320587A (ja) * 2004-05-10 2005-11-17 Nippon Yakin Kogyo Co Ltd フォトエッチング加工用ステンレス鋼板およびその製造方法
EP2048256A1 (de) * 2006-07-28 2009-04-15 Sumitomo Metal Industries, Ltd. Blech aus nichtrostendem stahl für teile und herstellungsverfahren dafür
CN102650022A (zh) * 2011-02-24 2012-08-29 宝山钢铁股份有限公司 一种客车车辆用不锈钢及其制造方法
WO2014030607A1 (ja) * 2012-08-20 2014-02-27 新日鐵住金株式会社 ステンレス鋼板とその製造方法
WO2014038510A1 (ja) * 2012-09-04 2014-03-13 新日鐵住金株式会社 ステンレス鋼板およびその製造方法
WO2016043125A1 (ja) * 2014-09-17 2016-03-24 新日鐵住金株式会社 オーステナイト系ステンレス鋼板
WO2016047734A1 (ja) * 2014-09-25 2016-03-31 新日鐵住金株式会社 オーステナイト系ステンレス鋼板およびその製造方法
WO2017057369A1 (ja) * 2015-09-30 2017-04-06 新日鐵住金株式会社 オーステナイト系ステンレス鋼

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KR100411286B1 (ko) * 1996-12-24 2004-04-03 주식회사 포스코 내식성및내후성이우수한고강도오스테나이트계스테인레스강및이를이용한강판제조방법
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JP3954954B2 (ja) * 2002-10-25 2007-08-08 新日本製鐵株式会社 オーステナイト系ステンレス鋼及び薄帯鋳片の製造法
JP5056985B2 (ja) * 2009-11-18 2012-10-24 住友金属工業株式会社 オーステナイト系ステンレス鋼板およびその製造方法
JP5500960B2 (ja) * 2009-12-01 2014-05-21 新日鐵住金ステンレス株式会社 耐応力腐食割れ性と加工性に優れた微細粒オーステナイト系ステンレス鋼板
CN104379773B (zh) * 2012-01-20 2017-09-12 索罗不锈有限责任公司 奥氏体不锈钢产品及其制造方法
JP6423138B2 (ja) 2013-06-14 2018-11-14 新日鐵住金ステンレス株式会社 酸化皮膜の密着性に優れた燃料改質器用オーステナイト系ステンレス鋼およびその製造方法
JP2020050940A (ja) 2018-09-28 2020-04-02 国立研究開発法人日本原子力研究開発機構 オーステナイト系微細粒ステンレス鋼の製造方法
JP7165202B2 (ja) * 2018-10-04 2022-11-02 日本製鉄株式会社 オーステナイト系ステンレス鋼板及びその製造方法
AU2021245528B2 (en) * 2020-03-30 2023-08-17 Nippon Steel Stainless Steel Corporation Austenitic stainless steel

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005320587A (ja) * 2004-05-10 2005-11-17 Nippon Yakin Kogyo Co Ltd フォトエッチング加工用ステンレス鋼板およびその製造方法
EP2048256A1 (de) * 2006-07-28 2009-04-15 Sumitomo Metal Industries, Ltd. Blech aus nichtrostendem stahl für teile und herstellungsverfahren dafür
CN102650022A (zh) * 2011-02-24 2012-08-29 宝山钢铁股份有限公司 一种客车车辆用不锈钢及其制造方法
WO2014030607A1 (ja) * 2012-08-20 2014-02-27 新日鐵住金株式会社 ステンレス鋼板とその製造方法
WO2014038510A1 (ja) * 2012-09-04 2014-03-13 新日鐵住金株式会社 ステンレス鋼板およびその製造方法
WO2016043125A1 (ja) * 2014-09-17 2016-03-24 新日鐵住金株式会社 オーステナイト系ステンレス鋼板
WO2016047734A1 (ja) * 2014-09-25 2016-03-31 新日鐵住金株式会社 オーステナイト系ステンレス鋼板およびその製造方法
WO2017057369A1 (ja) * 2015-09-30 2017-04-06 新日鐵住金株式会社 オーステナイト系ステンレス鋼

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022050635A1 *

Also Published As

Publication number Publication date
CN116075600A (zh) 2023-05-05
KR20220030722A (ko) 2022-03-11
EP4177369A1 (de) 2023-05-10
JP7603147B2 (ja) 2024-12-19
JP2023538602A (ja) 2023-09-08
WO2022050635A1 (ko) 2022-03-10
CN116075600B (zh) 2025-03-21
US20230279531A1 (en) 2023-09-07
KR102448735B1 (ko) 2022-09-30

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