EP4098765A4 - Acier inoxydable martensitique à haut pouvoir anti-corrosif et son procédé de fabrication - Google Patents
Acier inoxydable martensitique à haut pouvoir anti-corrosif et son procédé de fabrication Download PDFInfo
- Publication number
- EP4098765A4 EP4098765A4 EP20925160.2A EP20925160A EP4098765A4 EP 4098765 A4 EP4098765 A4 EP 4098765A4 EP 20925160 A EP20925160 A EP 20925160A EP 4098765 A4 EP4098765 A4 EP 4098765A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- stainless steel
- method therefor
- martensitic stainless
- highly anticorrosive
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 title 1
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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/78—Combined heat-treatments not provided for above
-
- 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
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
-
- 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
- C21D6/04—Hardening by cooling below 0 degrees Celsius
-
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties 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 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties 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
- 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
- C22C38/04—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
-
- 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
- C21D2211/004—Dispersions; Precipitations
-
- 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
-
- 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
- C21D2211/008—Martensite
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020200034294A KR102326693B1 (ko) | 2020-03-20 | 2020-03-20 | 고내식 마르텐사이트계 스테인리스강 및 그 제조방법 |
PCT/KR2020/014029 WO2021187706A1 (fr) | 2020-03-20 | 2020-10-14 | Acier inoxydable martensitique à haut pouvoir anti-corrosif et son procédé de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4098765A1 EP4098765A1 (fr) | 2022-12-07 |
EP4098765A4 true EP4098765A4 (fr) | 2024-04-24 |
Family
ID=77768211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20925160.2A Pending EP4098765A4 (fr) | 2020-03-20 | 2020-10-14 | Acier inoxydable martensitique à haut pouvoir anti-corrosif et son procédé de fabrication |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230107193A1 (fr) |
EP (1) | EP4098765A4 (fr) |
JP (1) | JP2023517590A (fr) |
KR (1) | KR102326693B1 (fr) |
CN (1) | CN115667569A (fr) |
CA (1) | CA3171590A1 (fr) |
WO (1) | WO2021187706A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20240125543A (ko) * | 2021-12-20 | 2024-08-19 | 주식회사 포스코 | 연화저항성이 향상된 마르텐사이트계 스테인리스강 및 그 제조방법 |
CN115896591A (zh) * | 2022-10-28 | 2023-04-04 | 中国科学院金属研究所 | 一种提升低碳马氏体不锈钢抗腐蚀性能和综合力学性能的方法 |
JP2024090519A (ja) * | 2022-12-23 | 2024-07-04 | 大同特殊鋼株式会社 | 水素ガス環境用マルテンサイト系ステンレス鋼材及びその製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1150203A (ja) * | 1997-07-31 | 1999-02-23 | Nippon Steel Corp | 表面高硬度、高耐食性、高靭性マルテンサイト系ステンレス鋼 |
EP0994199A1 (fr) * | 1998-10-05 | 2000-04-19 | Sumitomo Metal Industries, Ltd. | Acier inoxydable pour un joint et méthode pour sa fabrication |
EP1541702A1 (fr) * | 2003-12-03 | 2005-06-15 | Posco | Acier martensitique inoxydable résistant à la corrosion ne présentant pas de défaut type piqûre et procédé de fabrication correspondant |
JP2008163452A (ja) * | 2006-12-08 | 2008-07-17 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性に優れるマルテンサイト系ステンレス鋼 |
CN101372734A (zh) * | 2007-08-24 | 2009-02-25 | 宝山钢铁股份有限公司 | 一种马氏体不锈钢及其制造方法 |
JP2009203528A (ja) * | 2008-02-28 | 2009-09-10 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性と耐磨耗性に優れる織機部材用マルテンサイト系ステンレス鋼とその鋼帯の製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527818A (en) * | 1975-07-09 | 1977-01-21 | Kawasaki Steel Corp | Process for producing rust proofing, medium carbon, martensitic, chrom ium stainless steel |
JP3340225B2 (ja) * | 1993-01-12 | 2002-11-05 | 新日本製鐵株式会社 | 耐銹性に優れた高強度マルテンサイト系ステンレス鋼およびドリリングタッピンねじ |
KR100523107B1 (ko) * | 2000-06-23 | 2005-10-19 | 주식회사 포스코 | 420계열 마르텐사이트계 스테인레스 열연강판의열처리방법 |
JP4857811B2 (ja) * | 2006-02-27 | 2012-01-18 | Jfeスチール株式会社 | 刃物用鋼 |
JP5335502B2 (ja) * | 2009-03-19 | 2013-11-06 | 新日鐵住金ステンレス株式会社 | 耐食性に優れたマルテンサイト系ステンレス鋼 |
CN101693982B (zh) * | 2009-09-30 | 2011-06-01 | 山西太钢不锈钢股份有限公司 | 一种刃具用马氏体耐腐蚀钢板及其制造方法 |
KR101356951B1 (ko) * | 2011-12-26 | 2014-01-28 | 주식회사 포스코 | 고경도 마르텐사이트계 스테인리스강 및 그 제조방법 |
KR101423826B1 (ko) * | 2012-07-16 | 2014-07-25 | 주식회사 포스코 | 마르텐사이트계 스테인리스강 및 그 제조방법 |
KR101648271B1 (ko) * | 2014-11-26 | 2016-08-12 | 주식회사 포스코 | 항균성이 우수한 고경도 마르텐사이트계 스테인리스강 및 이의 제조방법 |
ES2811140T3 (es) * | 2015-04-21 | 2021-03-10 | Jfe Steel Corp | Acero inoxidable martensítico |
JP6631860B2 (ja) * | 2016-03-04 | 2020-01-15 | 日立金属株式会社 | マルテンサイト系ステンレス鋼部材の製造方法、ならびに、マルテンサイト系ステンレス鋼部品およびその製造方法 |
KR101834996B1 (ko) * | 2016-10-19 | 2018-03-06 | 주식회사 포스코 | 경화능이 우수한 고경도 마르텐사이트계 스테인리스강 및 이의 제조 방법 |
-
2020
- 2020-03-20 KR KR1020200034294A patent/KR102326693B1/ko active IP Right Grant
- 2020-10-14 EP EP20925160.2A patent/EP4098765A4/fr active Pending
- 2020-10-14 WO PCT/KR2020/014029 patent/WO2021187706A1/fr unknown
- 2020-10-14 US US17/908,124 patent/US20230107193A1/en active Pending
- 2020-10-14 CA CA3171590A patent/CA3171590A1/fr active Pending
- 2020-10-14 CN CN202080098335.5A patent/CN115667569A/zh active Pending
- 2020-10-14 JP JP2022554348A patent/JP2023517590A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1150203A (ja) * | 1997-07-31 | 1999-02-23 | Nippon Steel Corp | 表面高硬度、高耐食性、高靭性マルテンサイト系ステンレス鋼 |
EP0994199A1 (fr) * | 1998-10-05 | 2000-04-19 | Sumitomo Metal Industries, Ltd. | Acier inoxydable pour un joint et méthode pour sa fabrication |
EP1541702A1 (fr) * | 2003-12-03 | 2005-06-15 | Posco | Acier martensitique inoxydable résistant à la corrosion ne présentant pas de défaut type piqûre et procédé de fabrication correspondant |
JP2008163452A (ja) * | 2006-12-08 | 2008-07-17 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性に優れるマルテンサイト系ステンレス鋼 |
CN101372734A (zh) * | 2007-08-24 | 2009-02-25 | 宝山钢铁股份有限公司 | 一种马氏体不锈钢及其制造方法 |
JP2009203528A (ja) * | 2008-02-28 | 2009-09-10 | Nippon Steel & Sumikin Stainless Steel Corp | 耐食性と耐磨耗性に優れる織機部材用マルテンサイト系ステンレス鋼とその鋼帯の製造方法 |
Non-Patent Citations (1)
Title |
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See also references of WO2021187706A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP4098765A1 (fr) | 2022-12-07 |
WO2021187706A1 (fr) | 2021-09-23 |
JP2023517590A (ja) | 2023-04-26 |
CN115667569A (zh) | 2023-01-31 |
KR102326693B1 (ko) | 2021-11-17 |
CA3171590A1 (fr) | 2021-09-23 |
US20230107193A1 (en) | 2023-04-06 |
KR20210117712A (ko) | 2021-09-29 |
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