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 PDF

Info

Publication number: EP4098765A4
Authority: EP; European Patent Office
Prior art keywords: manufacturing; stainless steel; method therefor; martensitic stainless; highly anticorrosive
Prior art date: 2020-03-20
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

EP20925160.2A

Other languages

German (de)

English (en)

Other versions

EP4098765A1 (fr

Inventor

Byoung-Jun Song

Junghyun KONG

Yongho Kim

Seongin JEONG

Gyujin JO

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.)

2020-03-20

Filing date

2020-10-14

Publication date

2024-04-24

2020-10-14 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2022-12-07 Publication of EP4098765A1 publication Critical patent/EP4098765A1/fr

2024-04-24 Publication of EP4098765A4 publication Critical patent/EP4098765A4/fr

Status 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
- 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 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
- 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
- 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)

EP20925160.2A 2020-03-20 2020-10-14 Acier inoxydable martensitique à haut pouvoir anti-corrosif et son procédé de fabrication Pending EP4098765A4 (fr)

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)	JP7617937B2 (fr)
KR (1)	KR102326693B1 (fr)
CN (1)	CN115667569A (fr)
CA (1)	CA3171590A1 (fr)
WO (1)	WO2021187706A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2023121063A1 (fr) *	2021-12-20	2023-06-29	주식회사 포스코	Acier inoxydable martensitique ayant une résistance améliorée au ramollissement et son procédé de fabrication
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)

* Cited by examiner, † Cited by third party
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

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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
EP3287536B1 (fr) *	2015-04-21	2020-07-15	JFE Steel Corporation	Acier inoxydable martensitique
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 Active
- 2020-10-14 JP JP2022554348A patent/JP7617937B2/ja active Active
- 2020-10-14 US US17/908,124 patent/US20230107193A1/en active Pending
- 2020-10-14 CN CN202080098335.5A patent/CN115667569A/zh active Pending
- 2020-10-14 CA CA3171590A patent/CA3171590A1/fr active Pending
- 2020-10-14 EP EP20925160.2A patent/EP4098765A4/fr active Pending
- 2020-10-14 WO PCT/KR2020/014029 patent/WO2021187706A1/fr not_active Ceased

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

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Title
See also references of WO2021187706A1 *

Also Published As

Publication number	Publication date
WO2021187706A1 (fr)	2021-09-23
KR102326693B1 (ko)	2021-11-17
EP4098765A1 (fr)	2022-12-07
CA3171590A1 (fr)	2021-09-23
JP2023517590A (ja)	2023-04-26
CN115667569A (zh)	2023-01-31
KR20210117712A (ko)	2021-09-29
JP7617937B2 (ja)	2025-01-20
US20230107193A1 (en)	2023-04-06

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