EP4509619A4 - ALLOY MATERIAL - Google Patents

ALLOY MATERIAL

Info

Publication number: EP4509619A4
Authority: EP; European Patent Office
Prior art keywords: alloy material; alloy
Prior art date: 2022-04-11
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

EP23788320.2A

Other languages

German (de)

French (fr)

Other versions

EP4509619A1 (en

Inventor

Takahiro Osuki

Shohgo Aota

Kana Jotoku

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.)

2022-04-11

Filing date

2023-04-10

Publication date

2026-03-18

2023-04-10 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2025-02-19 Publication of EP4509619A1 publication Critical patent/EP4509619A1/en

2026-03-18 Publication of EP4509619A4 publication Critical patent/EP4509619A4/en

Status Pending 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
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
- 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
- C21D6/00—Heat treatment 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/001—Heat treatment of ferrous alloys containing 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
- 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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
- 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
- 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
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
- 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
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Manufacturing & Machinery (AREA)
Arc Welding In General (AREA)
Turbine Rotor Nozzle Sealing (AREA)

EP23788320.2A 2022-04-11 2023-04-10 ALLOY MATERIAL Pending EP4509619A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2022065270		2022-04-11
PCT/JP2023/014635 WO2023199902A1 (en)	2022-04-11	2023-04-10	Alloy material

Publications (2)

Publication Number	Publication Date
EP4509619A1 EP4509619A1 (en)	2025-02-19
EP4509619A4 true EP4509619A4 (en)	2026-03-18

Family

ID=88329805

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP23788320.2A Pending EP4509619A4 (en)	2022-04-11	2023-04-10	ALLOY MATERIAL

Country Status (6)

Country	Link
US (1)	US20250230532A1 (en)
EP (1)	EP4509619A4 (en)
JP (1)	JPWO2023199902A1 (en)
KR (1)	KR20240172218A (en)
CN (1)	CN118974299A (en)
WO (1)	WO2023199902A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN120936737A (en) *	2023-03-28	2025-11-11	日本制铁株式会社	Alloy material
JP2025130572A (en) *	2024-02-27	2025-09-08	日本製鉄株式会社	High Ni alloy plate
WO2026023681A1 (en) *	2024-07-26	2026-01-29	日本製鉄株式会社	Austenitic heat-resistant steel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59136464A (en) *	1983-01-26	1984-08-06	Hitachi Ltd	Boiler tube
DE3737314A1 (en) *	1986-11-10	1988-05-19	Nippon Yakin Kogyo Co Ltd	EXTERNAL PROTECTIVE COVER MADE OF AUSTENITIC, STAINLESS STEEL FOR A HEATING DEVICE WITH A COVERED HEATING ELEMENT
EP3524705A1 (en) *	2016-10-05	2019-08-14	Nippon Steel & Sumitomo Metal Corporation	NiCrFe ALLOY

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT391484B (en) *	1986-09-08	1990-10-10	Boehler Gmbh	HIGH-TEMPERATURE, AUSTENITIC ALLOY AND METHOD FOR THEIR PRODUCTION
US7118636B2 (en) *	2003-04-14	2006-10-10	General Electric Company	Precipitation-strengthened nickel-iron-chromium alloy
JP6066412B2 (en) *	2013-03-27	2017-01-25	日本冶金工業株式会社	Fe-Ni-Cr alloy having excellent surface properties and method for producing the same
JP6791711B2 (en) *	2016-10-04	2020-11-25	日本冶金工業株式会社	Fe-Cr-Ni alloy and its manufacturing method
JP7187605B2 (en) *	2021-04-14	2022-12-12	日鉄ステンレス株式会社	High-Ni alloy with excellent weld hot cracking resistance

2023
- 2023-04-10 EP EP23788320.2A patent/EP4509619A4/en active Pending
- 2023-04-10 WO PCT/JP2023/014635 patent/WO2023199902A1/en not_active Ceased
- 2023-04-10 CN CN202380032997.6A patent/CN118974299A/en active Pending
- 2023-04-10 KR KR1020247036983A patent/KR20240172218A/en active Pending
- 2023-04-10 JP JP2024514962A patent/JPWO2023199902A1/ja active Pending
- 2023-04-10 US US18/852,689 patent/US20250230532A1/en active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59136464A (en) *	1983-01-26	1984-08-06	Hitachi Ltd	Boiler tube
DE3737314A1 (en) *	1986-11-10	1988-05-19	Nippon Yakin Kogyo Co Ltd	EXTERNAL PROTECTIVE COVER MADE OF AUSTENITIC, STAINLESS STEEL FOR A HEATING DEVICE WITH A COVERED HEATING ELEMENT
EP3524705A1 (en) *	2016-10-05	2019-08-14	Nippon Steel & Sumitomo Metal Corporation	NiCrFe ALLOY

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023199902A1 *

Also Published As

Publication number	Publication date
KR20240172218A (en)	2024-12-09
CN118974299A (en)	2024-11-15
US20250230532A1 (en)	2025-07-17
WO2023199902A1 (en)	2023-10-19
EP4509619A1 (en)	2025-02-19
JPWO2023199902A1 (en)	2023-10-19

Legal Events

Date	Code	Title	Description
2023-10-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2025-01-17	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
2025-01-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2025-02-19	17P	Request for examination filed	Effective date: 20240918
2025-02-19	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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
2025-07-16	DAV	Request for validation of the european patent (deleted)
2025-07-16	DAX	Request for extension of the european patent (deleted)
2026-02-11	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C21D0006000000 Ipc: C22C0038500000
2026-03-18	A4	Supplementary search report drawn up and despatched	Effective date: 20260217
2026-03-18	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/50 20060101AFI20260211BHEP Ipc: C22C 38/06 20060101ALI20260211BHEP Ipc: C22C 38/54 20060101ALI20260211BHEP Ipc: C21D 6/00 20060101ALI20260211BHEP Ipc: C21D 8/10 20060101ALI20260211BHEP Ipc: C22C 30/00 20060101ALI20260211BHEP Ipc: C22C 38/00 20060101ALI20260211BHEP Ipc: C21D 1/26 20060101ALI20260211BHEP Ipc: C21D 7/10 20060101ALI20260211BHEP Ipc: C21D 7/13 20060101ALI20260211BHEP Ipc: C21D 8/00 20060101ALI20260211BHEP Ipc: C22C 38/02 20060101ALI20260211BHEP Ipc: C22C 38/04 20060101ALI20260211BHEP Ipc: C22C 38/42 20060101ALI20260211BHEP Ipc: C22C 38/44 20060101ALI20260211BHEP Ipc: C22C 38/46 20060101ALI20260211BHEP Ipc: C22C 38/48 20060101ALI20260211BHEP Ipc: C22C 38/52 20060101ALI20260211BHEP Ipc: C21D 9/00 20060101ALN20260211BHEP Ipc: C21D 9/08 20060101ALN20260211BHEP Ipc: C21D 9/28 20060101ALN20260211BHEP Ipc: C21D 9/46 20060101ALN20260211BHEP

Publication	Publication Date	Title
EP4509619A4 (en)	2026-03-18	ALLOY MATERIAL
EP4148096A4 (en)	2023-11-01	COMPOSITION
EP4094582A4 (en)	2024-02-28	COMPOSITION
EP4115893A4 (en)	2024-04-17	ANTI-TUMOOR COMPOSITION
EP4263108A4 (en)	2024-11-13	3D-PRINTABLE ALLOYS
EP4163413A4 (en)	2023-08-16	PLATED STEEL MATERIAL
EP4391115A4 (en)	2025-10-01	LITHIUM-CONTAINING MATERIAL
EP4589039A4 (en)	2026-02-25	AUSTENITIC ALLOY MATERIAL
EP4505368A4 (en)	2026-04-15	FUNCTION-INFORMED MATERIAL STRUCTURES
JP1728698S (en)	2022-10-31	ingot
EP4083249A4 (en)	2023-11-29	ALLOY
EP4481051A4 (en)	2026-03-11	MODIFIED D-ALLULOSE-3-EPIMERASE
ES1285027Y (en)	2022-04-08	construction material
EP4467414A4 (en)	2025-06-18	KNOCKER
EP4230079C0 (en)	2025-06-18	CLOSE
EP4230760A4 (en)	2023-08-23	PLATED STEEL MATERIAL
EP4234146A4 (en)	2024-12-25	COMPOSITE MATERIAL
EP3819047C0 (en)	2024-02-07	OPTIMIZED STEEL MATERIAL
EP4502208A4 (en)	2026-03-18	ALLOY MATERIAL
EP4506473A4 (en)	2025-08-06	STEEL MATERIAL
EP4553110A4 (en)	2025-11-05	COMPOSITION
EP4086031C0 (en)	2026-03-11	ALLOY
EP4509561A4 (en)	2026-03-25	COMPOSITION
EP4473837A4 (en)	2026-01-07	COMPOSITION
EP4516952A4 (en)	2026-03-25	AL-MG-SI-NI ALLOY AND AL-MG-SI-NI ALLOY MATERIAL