EP4019651A4 - Duplexedelstahlmaterial - Google Patents

Duplexedelstahlmaterial Download PDF

Info

Publication number: EP4019651A4
Authority: EP; European Patent Office
Prior art keywords: stainless steel; steel material; duplex stainless; duplex; steel
Prior art date: 2019-08-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP20853663.1A

Other languages

English (en)

French (fr)

Other versions

EP4019651A1 (de

Inventor

Mikiko NOGUCHI

Yusaku TOMIO

Toshio Mochizuki

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.)

Nippon Steel Corp

Original Assignee

Nippon Steel Corp

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.)

2019-08-19

Filing date

2020-08-18

Publication date

2022-11-02

2020-08-18 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2022-06-29 Publication of EP4019651A1 publication Critical patent/EP4019651A1/de

2022-11-02 Publication of EP4019651A4 publication Critical patent/EP4019651A4/de

Status Withdrawn legal-status Critical Current

Links

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
- 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
- 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
- C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- 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
- C22C38/002—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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
- 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
- C22C38/04—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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Physics & Mathematics (AREA)
Manufacturing & Machinery (AREA)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Articles (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP20853663.1A 2019-08-19 2020-08-18 Duplexedelstahlmaterial Withdrawn EP4019651A4 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2019149844		2019-08-19
PCT/JP2020/031050 WO2021033672A1 (ja)	2019-08-19	2020-08-18	二相ステンレス鋼材

Publications (2)

Publication Number	Publication Date
EP4019651A1 EP4019651A1 (de)	2022-06-29
EP4019651A4 true EP4019651A4 (de)	2022-11-02

Family

ID=74661141

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20853663.1A Withdrawn EP4019651A4 (de)	2019-08-19	2020-08-18	Duplexedelstahlmaterial

Country Status (5)

Country	Link
US (1)	US20220145438A1 (de)
EP (1)	EP4019651A4 (de)
JP (1)	JP7173359B2 (de)
CA (1)	CA3148069C (de)
WO (1)	WO2021033672A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7638127B2 (ja) *	2021-03-29	2025-03-03	日鉄ステンレス株式会社	二相ステンレス鋼鍛造材およびその製造方法
EP4411006A4 (de) *	2021-09-29	2026-01-21	Nippon Steel Corp	Duplexedelstahlmaterial
AR127221A1 (es) *	2021-10-04	2023-12-27	Nippon Steel Corp	Material de acero inoxidable dúplex
EP4414471A4 (de) *	2021-10-04	2025-10-22	Nippon Steel Corp	Duplexedelstahlmaterial
CN116219268A (zh) *	2021-12-06	2023-06-06	宝武特种冶金有限公司	一种含硼超级双相不锈钢及无缝管制备方法
WO2023162817A1 (ja) *	2022-02-25	2023-08-31	日本製鉄株式会社	二相ステンレス鋼材
US20250327160A1 (en) *	2022-02-25	2025-10-23	Nippon Steel Corporation	Duplex stainless steel material
JP7364955B1 (ja)	2022-07-04	2023-10-19	日本製鉄株式会社	二相ステンレス鋼材
CN116550942B (zh) *	2023-07-07	2023-10-20	江苏永钢集团有限公司	一种耐蚀抗低温的风电用钢连铸坯的制造方法及其应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20130312880A1 (en) *	2011-02-14	2013-11-28	Nippon Steel & Sumitomo Metal Cororation	Duplex stainless steel and production method therefor
US20130315776A1 (en) *	2011-02-14	2013-11-28	Nippon Steel & Sumitomo Metal Corporation	Duplex stainless steel
EP2684973A1 (de) *	2011-03-09	2014-01-15	Nippon Steel & Sumikin Stainless Steel Corporation	Zweiphasiger edelstahl mit hervorragender schweissnaht-korrosionsbeständigkeit
EP2754726A1 (de) *	2011-09-06	2014-07-16	Nippon Steel & Sumitomo Metal Corporation	Zweiphasiger edelstahl
WO2017208946A1 (ja) *	2016-06-01	2017-12-07	新日鐵住金株式会社	二相ステンレス鋼及び二相ステンレス鋼の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2500162B2 (ja)	1991-11-11	1996-05-29	住友金属工業株式会社	耐食性に優れた高強度二相ステンレス鋼
JPH09195003A (ja)	1996-01-08	1997-07-29	Sumitomo Metal Mining Co Ltd	二相ステンレス鋼
JP5072285B2 (ja) *	2006-08-08	2012-11-14	新日鐵住金ステンレス株式会社	二相ステンレス鋼
JP5842769B2 (ja)	2012-08-27	2016-01-13	新日鐵住金株式会社	二相ステンレス鋼およびその製造方法
JP6303851B2 (ja)	2014-06-18	2018-04-04	新日鐵住金株式会社	二相ステンレス鋼管

2020
- 2020-08-18 CA CA3148069A patent/CA3148069C/en active Active
- 2020-08-18 JP JP2021540943A patent/JP7173359B2/ja active Active
- 2020-08-18 WO PCT/JP2020/031050 patent/WO2021033672A1/ja not_active Ceased
- 2020-08-18 US US17/597,745 patent/US20220145438A1/en not_active Abandoned
- 2020-08-18 EP EP20853663.1A patent/EP4019651A4/de not_active Withdrawn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20130312880A1 (en) *	2011-02-14	2013-11-28	Nippon Steel & Sumitomo Metal Cororation	Duplex stainless steel and production method therefor
US20130315776A1 (en) *	2011-02-14	2013-11-28	Nippon Steel & Sumitomo Metal Corporation	Duplex stainless steel
EP2684973A1 (de) *	2011-03-09	2014-01-15	Nippon Steel & Sumikin Stainless Steel Corporation	Zweiphasiger edelstahl mit hervorragender schweissnaht-korrosionsbeständigkeit
EP2754726A1 (de) *	2011-09-06	2014-07-16	Nippon Steel & Sumitomo Metal Corporation	Zweiphasiger edelstahl
WO2017208946A1 (ja) *	2016-06-01	2017-12-07	新日鐵住金株式会社	二相ステンレス鋼及び二相ステンレス鋼の製造方法

Also Published As

Publication number	Publication date
JP7173359B2 (ja)	2022-11-16
CA3148069A1 (en)	2021-02-25
WO2021033672A1 (ja)	2021-02-25
CA3148069C (en)	2023-10-24
JPWO2021033672A1 (de)	2021-02-25
US20220145438A1 (en)	2022-05-12
EP4019651A1 (de)	2022-06-29

Legal Events

Date	Code	Title	Description
2021-02-26	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-05-27	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2022-05-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-06-29	17P	Request for examination filed	Effective date: 20220203
2022-06-29	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2022-09-28	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C21D0009080000 Ipc: C22C0038420000
2022-11-02	A4	Supplementary search report drawn up and despatched	Effective date: 20221005
2022-11-02	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 8/10 20060101ALI20220928BHEP Ipc: C21D 8/02 20060101ALI20220928BHEP Ipc: C21D 6/00 20060101ALI20220928BHEP Ipc: C21D 1/18 20060101ALI20220928BHEP Ipc: C21D 9/46 20060101ALI20220928BHEP Ipc: C21D 9/08 20060101ALI20220928BHEP Ipc: C22C 38/50 20060101ALI20220928BHEP Ipc: C22C 38/48 20060101ALI20220928BHEP Ipc: C22C 38/54 20060101ALI20220928BHEP Ipc: C22C 38/00 20060101ALI20220928BHEP Ipc: C22C 38/06 20060101ALI20220928BHEP Ipc: C22C 38/04 20060101ALI20220928BHEP Ipc: C22C 38/02 20060101ALI20220928BHEP Ipc: C22C 38/46 20060101ALI20220928BHEP Ipc: C22C 38/44 20060101ALI20220928BHEP Ipc: C22C 38/58 20060101ALI20220928BHEP Ipc: C22C 38/42 20060101AFI20220928BHEP
2022-11-23	DAV	Request for validation of the european patent (deleted)
2022-11-23	DAX	Request for extension of the european patent (deleted)
2026-02-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2026-04-01	18W	Application withdrawn	Effective date: 20260220

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