EP3674434A1 - Acier inoxydable austénitique à faible teneur en ni présentant d'excellentes propriétés d'ouvrabilité à chaud et de résistance à la fragilisation par l'hydrogène - Google Patents
Acier inoxydable austénitique à faible teneur en ni présentant d'excellentes propriétés d'ouvrabilité à chaud et de résistance à la fragilisation par l'hydrogène Download PDFInfo
- Publication number
- EP3674434A1 EP3674434A1 EP18849053.6A EP18849053A EP3674434A1 EP 3674434 A1 EP3674434 A1 EP 3674434A1 EP 18849053 A EP18849053 A EP 18849053A EP 3674434 A1 EP3674434 A1 EP 3674434A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- austenitic stainless
- hydrogen embrittlement
- low
- hot workability
- 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
Links
Images
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
- C22C38/001—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
- 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)
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 (fr) | 2017-08-22 | 2018-08-06 | Acier inoxydable austénitique à faible teneur en ni présentant d'excellentes propriétés d'ouvrabilité à chaud et de résistance à la fragilisation par l'hydrogène |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3674434A1 true EP3674434A1 (fr) | 2020-07-01 |
EP3674434A4 EP3674434A4 (fr) | 2020-07-01 |
Family
ID=65439097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18849053.6A Pending EP3674434A4 (fr) | 2017-08-22 | 2018-08-06 | Acier inoxydable austénitique à faible teneur en ni présentant d'excellentes propriétés d'ouvrabilité à chaud et de résistance à la fragilisation par l'hydrogène |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3674434A4 (fr) |
JP (1) | JP7117369B2 (fr) |
KR (1) | KR101952808B1 (fr) |
CN (1) | CN111212928B (fr) |
WO (1) | WO2019039768A1 (fr) |
Families Citing this family (4)
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 |
US20220316039A1 (en) * | 2020-06-19 | 2022-10-06 | Hyundai Steel Company | Steel reinforcement and method for manufacturing the same |
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 |
Family Cites Families (17)
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 |
JP3696552B2 (ja) * | 2001-04-12 | 2005-09-21 | 日新製鋼株式会社 | 加工性,冷間鍛造性に優れた軟質ステンレス鋼板 |
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 |
JP5014915B2 (ja) | 2007-08-09 | 2012-08-29 | 日新製鋼株式会社 | Ni節減型オーステナイト系ステンレス鋼 |
US8337749B2 (en) * | 2007-12-20 | 2012-12-25 | Ati Properties, Inc. | Lean austenitic stainless steel |
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 |
SE533635C2 (sv) * | 2009-01-30 | 2010-11-16 | Sandvik Intellectual Property | Austenitisk rostfri stållegering med låg nickelhalt, samt artikel därav |
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 |
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 |
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 |
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 |
KR20150074697A (ko) | 2013-12-24 | 2015-07-02 | 주식회사 포스코 | 저 니켈 함유 스테인리스강 |
-
2017
- 2017-08-22 KR KR1020170105892A patent/KR101952808B1/ko active IP Right Grant
-
2018
- 2018-08-06 WO PCT/KR2018/008871 patent/WO2019039768A1/fr unknown
- 2018-08-06 EP EP18849053.6A patent/EP3674434A4/fr active Pending
- 2018-08-06 CN CN201880066674.8A patent/CN111212928B/zh active Active
- 2018-08-06 JP JP2020511252A patent/JP7117369B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2019039768A1 (fr) | 2019-02-28 |
CN111212928B (zh) | 2022-11-01 |
JP7117369B2 (ja) | 2022-08-12 |
KR101952808B1 (ko) | 2019-02-28 |
JP2020531688A (ja) | 2020-11-05 |
CN111212928A (zh) | 2020-05-29 |
EP3674434A4 (fr) | 2020-07-01 |
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RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO HOLDINGS INC. |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO CO., LTD |