EP4606924A4 - Austenitischer edelstahl mit verbesserter wasserstoffversprödungsbeständigkeit und tieftemperaturschlagzähigkeit und herstellungsverfahren dafür - Google Patents

Austenitischer edelstahl mit verbesserter wasserstoffversprödungsbeständigkeit und tieftemperaturschlagzähigkeit und herstellungsverfahren dafür

Info

Publication number
EP4606924A4
EP4606924A4 EP23903680.9A EP23903680A EP4606924A4 EP 4606924 A4 EP4606924 A4 EP 4606924A4 EP 23903680 A EP23903680 A EP 23903680A EP 4606924 A4 EP4606924 A4 EP 4606924A4
Authority
EP
European Patent Office
Prior art keywords
embrustment
llow
resistance
manufacturing
stainless steel
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
EP23903680.9A
Other languages
English (en)
French (fr)
Other versions
EP4606924A1 (de
Inventor
Kwangmin Kim
Seokweon Song
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 EP4606924A1 publication Critical patent/EP4606924A1/de
Publication of EP4606924A4 publication Critical patent/EP4606924A4/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
    • 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
    • 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
    • C21D8/0247—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
    • C22C38/18—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
    • C22C38/58—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)
EP23903680.9A 2022-12-16 2023-09-04 Austenitischer edelstahl mit verbesserter wasserstoffversprödungsbeständigkeit und tieftemperaturschlagzähigkeit und herstellungsverfahren dafür Pending EP4606924A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220177079A KR20240094640A (ko) 2022-12-16 2022-12-16 내수소취성 및 저온 충격인성이 향상된 오스테나이트계 스테인리스강, 및 그 제조방법
PCT/KR2023/013172 WO2024128476A1 (ko) 2022-12-16 2023-09-04 내수소취성 및 저온 충격인성이 향상된 오스테나이트계 스테인리스강, 및 그 제조방법

Publications (2)

Publication Number Publication Date
EP4606924A1 EP4606924A1 (de) 2025-08-27
EP4606924A4 true EP4606924A4 (de) 2026-02-18

Family

ID=91485051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23903680.9A Pending EP4606924A4 (de) 2022-12-16 2023-09-04 Austenitischer edelstahl mit verbesserter wasserstoffversprödungsbeständigkeit und tieftemperaturschlagzähigkeit und herstellungsverfahren dafür

Country Status (5)

Country Link
EP (1) EP4606924A4 (de)
JP (1) JP2025542025A (de)
KR (1) KR20240094640A (de)
CN (1) CN120359321A (de)
WO (1) WO2024128476A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119980054A (zh) * 2025-02-24 2025-05-13 广西盛昌隆新材料有限公司 一种低铜不锈钢配方及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013022A (ja) * 1983-07-04 1985-01-23 Kobe Steel Ltd 非磁性鋼板の製造方法
JPS61143563A (ja) * 1984-12-17 1986-07-01 Nippon Steel Corp 耐錆性極低温用高マンガン強靭鋼
JPS61170545A (ja) * 1985-01-24 1986-08-01 Nippon Steel Corp 耐錆性の優れた極低温用高マンガン鋼
JPH06264135A (ja) * 1993-03-15 1994-09-20 Kobe Steel Ltd 低温靭性に優れた高Ｍｎ非磁性鋼板の製造方法
EP1944385A1 (de) * 2005-11-01 2008-07-16 Nippon Steel & Sumikin Stainless Steel Corporation Manganreicher austenitischer nichtrostender stahl für hochdruck-wasserstoffgas
JP2021109998A (ja) * 2020-01-09 2021-08-02 日鉄ステンレス株式会社 オーステナイト系ステンレス鋼鋳片、ならびにそれを用いた鋼管、棒鋼、および厚板

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2595630T3 (es) * 2010-09-29 2017-01-02 Nippon Steel & Sumikin Stainless Steel Corporation Acero inoxidable austenítico de alto contenido en Mn y procedimiento de producción del mismo y miembro que usa ese acero
EP3266898B1 (de) * 2015-03-06 2020-12-30 Nippon Steel & Sumikin Stainless Steel Corporation Hochfester austenitischer edelstahl mit hervorragenden wasserstoffversprödungsbeständigkeitseigenschaften und verfahren zur herstellung davon
JP7012557B2 (ja) * 2018-02-23 2022-01-28 日鉄ステンレス株式会社 高Ｍｎオーステナイト系ステンレス鋼およびその製造方法
KR20200017776A (ko) * 2018-08-09 2020-02-19 주식회사 포스코 내수소취성이 우수한 오스테나이트계 스테인리스강 및 이의 제조방법
KR102170945B1 (ko) * 2018-10-23 2020-10-29 주식회사 포스코 피로수명이 우수한 오스테나이트계 스테인리스강 및 그 제조방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013022A (ja) * 1983-07-04 1985-01-23 Kobe Steel Ltd 非磁性鋼板の製造方法
JPS61143563A (ja) * 1984-12-17 1986-07-01 Nippon Steel Corp 耐錆性極低温用高マンガン強靭鋼
JPS61170545A (ja) * 1985-01-24 1986-08-01 Nippon Steel Corp 耐錆性の優れた極低温用高マンガン鋼
JPH06264135A (ja) * 1993-03-15 1994-09-20 Kobe Steel Ltd 低温靭性に優れた高Ｍｎ非磁性鋼板の製造方法
EP1944385A1 (de) * 2005-11-01 2008-07-16 Nippon Steel & Sumikin Stainless Steel Corporation Manganreicher austenitischer nichtrostender stahl für hochdruck-wasserstoffgas
JP2021109998A (ja) * 2020-01-09 2021-08-02 日鉄ステンレス株式会社 オーステナイト系ステンレス鋼鋳片、ならびにそれを用いた鋼管、棒鋼、および厚板

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024128476A1 *

Also Published As

Publication number Publication date
EP4606924A1 (de) 2025-08-27
WO2024128476A1 (ko) 2024-06-20
CN120359321A (zh) 2025-07-22
KR20240094640A (ko) 2024-06-25
JP2025542025A (ja) 2025-12-24

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