EP3674434A4 - LOW-CONTENT AUSTENITIC STAINLESS STEEL WITH EXCELLENT HOT WORKABILITY AND HYDROGEN FRAGILITY RESISTANCE - Google Patents

LOW-CONTENT AUSTENITIC STAINLESS STEEL WITH EXCELLENT HOT WORKABILITY AND HYDROGEN FRAGILITY RESISTANCE Download PDF

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Publication number
EP3674434A4
EP3674434A4 EP18849053.6A EP18849053A EP3674434A4 EP 3674434 A4 EP3674434 A4 EP 3674434A4 EP 18849053 A EP18849053 A EP 18849053A EP 3674434 A4 EP3674434 A4 EP 3674434A4
Authority
EP
European Patent Office
Prior art keywords
low
stainless steel
austenitic stainless
hot workability
hydrogen embrittlement
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
EP18849053.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3674434A1 (en
Inventor
Jae-Hwa Lee
Gyu Jin Jo
Mun-Soo Lee
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 EP3674434A1 publication Critical patent/EP3674434A1/en
Publication of EP3674434A4 publication Critical patent/EP3674434A4/en
Pending legal-status Critical Current

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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
    • C22C38/001—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
    • C22C38/18—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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
EP18849053.6A 2017-08-22 2018-08-06 LOW-CONTENT AUSTENITIC STAINLESS STEEL WITH EXCELLENT HOT WORKABILITY AND HYDROGEN FRAGILITY RESISTANCE Pending EP3674434A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170105892A KR101952808B1 (ko) 2017-08-22 2017-08-22 열간가공성 및 내수소취성이 우수한 저Ni 오스테나이트계 스테인리스강
PCT/KR2018/008871 WO2019039768A1 (ko) 2017-08-22 2018-08-06 열간가공성 및 내수소취성이 우수한 저ni 오스테나이트계 스테인리스강

Publications (2)

Publication Number Publication Date
EP3674434A1 EP3674434A1 (en) 2020-07-01
EP3674434A4 true EP3674434A4 (en) 2020-07-01

Family

ID=65439097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18849053.6A Pending EP3674434A4 (en) 2017-08-22 2018-08-06 LOW-CONTENT AUSTENITIC STAINLESS STEEL WITH EXCELLENT HOT WORKABILITY AND HYDROGEN FRAGILITY RESISTANCE

Country Status (5)

Country Link
EP (1) EP3674434A4 (ko)
JP (1) JP7117369B2 (ko)
KR (1) KR101952808B1 (ko)
CN (1) CN111212928B (ko)
WO (1) WO2019039768A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102160735B1 (ko) * 2018-08-13 2020-09-28 주식회사 포스코 강도가 향상된 오스테나이트계 스테인리스강
KR102249965B1 (ko) * 2019-05-28 2021-05-11 주식회사 포스코 용접부 내식성이 우수한 오스테나이트계 스테인리스강
JP7262617B2 (ja) * 2020-06-19 2023-04-21 ヒュンダイ スチール カンパニー 鉄筋およびその製造方法
CN113981308B (zh) * 2021-09-11 2022-08-23 广东省高端不锈钢研究院有限公司 一种8k镜面板锰氮系节镍奥氏体不锈钢的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030102058A1 (en) * 2001-04-12 2003-06-05 Nisshin Steel Co., Ltd. Soft stainless steel sheet excellent in workability
US20090041613A1 (en) * 2007-08-09 2009-02-12 Satoshi Suzuki Ni-reduced austenite stainless steel
US20100047105A1 (en) * 2007-12-20 2010-02-25 Ati Properties, Inc. Lean Austenitic Stainless Steel
US20120034126A1 (en) * 2009-01-30 2012-02-09 Sandvik Intellectual Property Ab STAINLESS AUSTENITIC LOW Ni STEEL ALLOY
JP2012172212A (ja) * 2011-02-22 2012-09-10 Nisshin Steel Co Ltd 低Ｎｉオーステナイト系ステンレス鋼およびその熱延鋼板の製造法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0686645B2 (ja) * 1989-05-31 1994-11-02 日本金属工業株式会社 熱間加工性に優れたニッケル節減型オーステナイト系ステンレス鋼
JP2004238700A (ja) * 2003-02-07 2004-08-26 Nisshin Steel Co Ltd 表面平滑性の良好なプレス成形品に適したオーステナイト系ステンレス鋼板
JP2007063632A (ja) 2005-08-31 2007-03-15 Nippon Metal Ind Co Ltd オーステナイト系ステンレス鋼
KR100857697B1 (ko) * 2006-12-28 2008-09-08 주식회사 포스코 열간가공성이 우수한 니켈 저감형 오스테나이트계스테인리스강의 제조방법
JP5349015B2 (ja) * 2008-11-19 2013-11-20 日新製鋼株式会社 Ｎｉ節約型オーステナイト系ステンレス熱延鋼板の製造方法並びにスラブおよび熱延鋼板
KR20100069875A (ko) * 2008-12-17 2010-06-25 주식회사 포스코 열간가공성이 우수한 고망간 오스테나이트계 스테인리스강
CN102605291A (zh) * 2012-03-27 2012-07-25 宝山钢铁股份有限公司 一种加工性能优良的节镍奥氏体不锈钢冷轧板及其制造方法
FI124993B (fi) * 2012-09-27 2015-04-15 Outokumpu Oy Austeniittinen ruostumaton teräs
CN102994916A (zh) * 2012-11-23 2013-03-27 四川金广技术开发有限公司 一种可加工的节镍型奥氏体不锈钢及其制造方法
JP2014189801A (ja) 2013-03-26 2014-10-06 Nisshin Steel Co Ltd 低Ｎｉオーステナイト系ステンレス鋼板の溶接品
JP6105996B2 (ja) * 2013-03-26 2017-03-29 日新製鋼株式会社 低Ｎｉオ−ステナイト系ステンレス鋼板およびその鋼板を加工した加工品
KR20150074697A (ko) 2013-12-24 2015-07-02 주식회사 포스코 저 니켈 함유 스테인리스강

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030102058A1 (en) * 2001-04-12 2003-06-05 Nisshin Steel Co., Ltd. Soft stainless steel sheet excellent in workability
US20090041613A1 (en) * 2007-08-09 2009-02-12 Satoshi Suzuki Ni-reduced austenite stainless steel
US20100047105A1 (en) * 2007-12-20 2010-02-25 Ati Properties, Inc. Lean Austenitic Stainless Steel
US20120034126A1 (en) * 2009-01-30 2012-02-09 Sandvik Intellectual Property Ab STAINLESS AUSTENITIC LOW Ni STEEL ALLOY
JP2012172212A (ja) * 2011-02-22 2012-09-10 Nisshin Steel Co Ltd 低Ｎｉオーステナイト系ステンレス鋼およびその熱延鋼板の製造法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019039768A1 *

Also Published As

Publication number Publication date
CN111212928A (zh) 2020-05-29
WO2019039768A1 (ko) 2019-02-28
EP3674434A1 (en) 2020-07-01
JP7117369B2 (ja) 2022-08-12
KR101952808B1 (ko) 2019-02-28
CN111212928B (zh) 2022-11-01
JP2020531688A (ja) 2020-11-05

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