EP3115476A4 - Austenitic heat-resistant alloy - Google Patents

Austenitic heat-resistant alloy Download PDF

Info

Publication number: EP3115476A4
Authority: EP; European Patent Office
Prior art keywords: resistant alloy; austenitic heat; austenitic; heat; alloy
Prior art date: 2014-03-05
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP15758391.5A

Other languages

German (de)

French (fr)

Other versions

EP3115476A1 (en

Inventor

Takeo Miyamura

Shigenobu Namba

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.)

Kobe Steel Ltd

Original Assignee

Kobe Steel 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.)

2014-03-05

Filing date

2015-03-04

Publication date

2017-11-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=54055354&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3115476(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2015-03-04 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

2017-01-11 Publication of EP3115476A1 publication Critical patent/EP3115476A1/en

2017-11-01 Publication of EP3115476A4 publication Critical patent/EP3115476A4/en

Status Withdrawn legal-status Critical Current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
- 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
- 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
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
- 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
- C22C38/001—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
- C22C38/48—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
- C22C38/58—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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations

Landscapes

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

EP15758391.5A 2014-03-05 2015-03-04 Austenitic heat-resistant alloy Withdrawn EP3115476A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2014042889A JP6289941B2 (en)	2014-03-05	2014-03-05	Austenitic heat resistant steel
PCT/JP2015/056433 WO2015133551A1 (en)	2014-03-05	2015-03-04	Austenitic heat-resistant alloy

Publications (2)

Publication Number	Publication Date
EP3115476A1 EP3115476A1 (en)	2017-01-11
EP3115476A4 true EP3115476A4 (en)	2017-11-01

Family

ID=54055354

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15758391.5A Withdrawn EP3115476A4 (en)	2014-03-05	2015-03-04	Austenitic heat-resistant alloy

Country Status (6)

Country	Link
US (1)	US20170067139A1 (en)
EP (1)	EP3115476A4 (en)
JP (1)	JP6289941B2 (en)
KR (1)	KR101770536B1 (en)
CN (1)	CN106062230B (en)
WO (1)	WO2015133551A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5143960B1 (en) *	2011-05-11	2013-02-13	株式会社神戸製鋼所	Heat-resistant austenitic stainless steel with excellent high-temperature strength and cyclic oxidation resistance
JP2017014575A (en) *	2015-07-01	2017-01-19	新日鐵住金株式会社	Austenitic heat resistant alloys and welded structures
JP6623719B2 (en) *	2015-11-25	2019-12-25	日本製鉄株式会社	Austenitic stainless steel
JP6638551B2 (en) *	2016-05-09	2020-01-29	日本製鉄株式会社	Austenitic heat-resistant steel weld metal and welded joint having the same
CN105951002B (en) *	2016-05-25	2017-11-10	江苏金基特钢有限公司	A kind of preparation method of corrosion-resistant easy shaping stainless steel wire
CN106544601A (en) *	2016-12-29	2017-03-29	董世祥	Many performance high temperature resistant series cast steels
CN109554609B (en) *	2017-09-26	2022-03-15	宝钢德盛不锈钢有限公司	Surface peeling-free austenitic heat-resistant steel and manufacturing method thereof
CA3078343A1 (en) *	2017-10-03	2019-04-11	Nippon Steel Corporation	Welding material for austenitic heat resistant steel, weld metal and welded structure, and method for producing weld metal and welded structure
CN109576580B (en) *	2018-11-29	2020-09-29	武汉华培动力科技有限公司	Heat-resistant steel for nozzle assembly of variable-section supercharger of diesel engine and smelting method
US20230220508A1 (en) *	2020-04-30	2023-07-13	Nippon Steel Corporation	Method for producing austenitic heat resistant steel
CN115461483B (en) *	2020-04-30	2024-08-06	日本制铁株式会社	Austenitic heat-resistant steel
US12241010B2 (en) *	2020-11-05	2025-03-04	Seoul National University R&Db Foundation	Perovskite color converter and method of manufacturing the same
JP7738229B2 (en) *	2021-05-26	2025-09-12	日本製鉄株式会社	Austenitic stainless steel sheet, its manufacturing method, and processed products
JP7018537B1 (en) *	2021-08-19	2022-02-10	日本冶金工業株式会社	Precipitation hardening martensitic stainless steel with excellent weldability and its manufacturing method
FR3143631A1 (en) *	2022-12-15	2024-06-21	Commissariat A L'energie Atomique Et Aux Energies Alternatives	Use of triple structured steel in an acidic environment
CN116200668B (en) *	2023-04-17	2023-11-14	宁波晴力紧固件有限公司	Heat-resistant high-strength fastener material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2006249464A (en) *	2005-03-08	2006-09-21	Nisshin Steel Co Ltd	Austenitic stainless steel for automotive member
EP1867743A1 (en) *	2005-04-04	2007-12-19	Sumitomo Metal Industries, Ltd.	Austenitic stainless steel
JP2013209730A (en) *	2012-03-30	2013-10-10	Nippon Steel & Sumikin Stainless Steel Corp	Heat-resistant austenitic stainless steel sheet

Family Cites Families (9)

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Publication number	Priority date	Publication date	Assignee	Title
JPH0569885A (en)	1991-09-13	1993-03-23	Nhk Spring Co Ltd	Carriage for boat housing device
JPH09165655A (en) *	1995-12-14	1997-06-24	Nkk Corp	Austenitic stainless steel for high temperature equipment and method for producing the same
JP3282481B2 (en) *	1996-01-31	2002-05-13	三菱マテリアル株式会社	Heat resistant steel
JP3463617B2 (en) *	1999-08-06	2003-11-05	住友金属工業株式会社	Austenitic heat-resistant steel for seamless steel pipes with excellent hot workability
JP4173611B2 (en) *	1999-09-29	2008-10-29	日新製鋼株式会社	Austenitic stainless steel for inner pipe of double structure exhaust manifold
JP2002146481A (en)	2000-11-07	2002-05-22	Nippon Steel Corp	Oxide dispersion strengthened ferritic steel and steel pipe for ERW boilers with excellent ERW weldability
JP2003301242A (en) *	2002-04-11	2003-10-24	Jfe Steel Kk	Method for producing high Cr-Ni heat resistant steel and high temperature member excellent in creep resistance
JP2005281855A (en) *	2004-03-04	2005-10-13	Daido Steel Co Ltd	Heat resistant austenitic stainless steel and method for producing the same
JP5296186B2 (en) *	2011-12-27	2013-09-25	株式会社神戸製鋼所	Heat-resistant austenitic stainless steel and stainless steel pipe with excellent scale peeling resistance

2014
- 2014-03-05 JP JP2014042889A patent/JP6289941B2/en not_active Ceased
2015
- 2015-03-04 EP EP15758391.5A patent/EP3115476A4/en not_active Withdrawn
- 2015-03-04 CN CN201580011341.1A patent/CN106062230B/en not_active Expired - Fee Related
- 2015-03-04 WO PCT/JP2015/056433 patent/WO2015133551A1/en not_active Ceased
- 2015-03-04 US US15/123,125 patent/US20170067139A1/en not_active Abandoned
- 2015-03-04 KR KR1020167023997A patent/KR101770536B1/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2006249464A (en) *	2005-03-08	2006-09-21	Nisshin Steel Co Ltd	Austenitic stainless steel for automotive member
EP1867743A1 (en) *	2005-04-04	2007-12-19	Sumitomo Metal Industries, Ltd.	Austenitic stainless steel
JP2013209730A (en) *	2012-03-30	2013-10-10	Nippon Steel & Sumikin Stainless Steel Corp	Heat-resistant austenitic stainless steel sheet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015133551A1 *

Also Published As

Publication number	Publication date
KR20160116344A (en)	2016-10-07
EP3115476A1 (en)	2017-01-11
JP2015168834A (en)	2015-09-28
US20170067139A1 (en)	2017-03-09
CN106062230A (en)	2016-10-26
WO2015133551A1 (en)	2015-09-11
KR101770536B1 (en)	2017-08-22
JP6289941B2 (en)	2018-03-07
CN106062230B (en)	2017-07-14

Legal Events

Date	Code	Title	Description
2016-12-09	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
2017-01-11	17P	Request for examination filed	Effective date: 20160908
2017-01-11	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
2017-01-11	AX	Request for extension of the european patent	Extension state: BA ME
2017-06-14	DAV	Request for validation of the european patent (deleted)
2017-06-14	DAX	Request for extension of the european patent (deleted)
2017-11-01	A4	Supplementary search report drawn up and despatched	Effective date: 20170928
2017-11-01	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 8/02 20060101ALI20170922BHEP Ipc: C22C 38/42 20060101ALI20170922BHEP Ipc: C22C 38/04 20060101ALI20170922BHEP Ipc: C22C 38/58 20060101ALI20170922BHEP Ipc: C22C 38/54 20060101ALI20170922BHEP Ipc: C22C 38/44 20060101ALI20170922BHEP Ipc: C22C 38/50 20060101ALI20170922BHEP Ipc: C22C 38/48 20060101ALI20170922BHEP Ipc: C22C 38/06 20060101ALI20170922BHEP Ipc: C21D 9/00 20060101ALI20170922BHEP Ipc: C21D 6/00 20060101ALI20170922BHEP Ipc: C22C 38/02 20060101ALI20170922BHEP Ipc: C22C 38/00 20060101AFI20170922BHEP
2018-07-17	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2018-08-01	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/48 20060101ALI20180622BHEP Ipc: C22C 38/58 20060101ALI20180622BHEP Ipc: C22C 38/44 20060101ALI20180622BHEP Ipc: C22C 38/04 20060101ALI20180622BHEP Ipc: C21D 8/02 20060101ALI20180622BHEP Ipc: C21D 6/00 20060101ALI20180622BHEP Ipc: C22C 38/50 20060101ALI20180622BHEP Ipc: C22C 38/42 20060101ALI20180622BHEP Ipc: C21D 9/00 20060101ALI20180622BHEP Ipc: C22C 38/06 20060101ALI20180622BHEP Ipc: C22C 38/00 20060101AFI20180622BHEP Ipc: C22C 38/54 20060101ALI20180622BHEP Ipc: C22C 38/02 20060101ALI20180622BHEP
2018-08-15	INTG	Intention to grant announced	Effective date: 20180718
2019-05-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2019-06-05	18D	Application deemed to be withdrawn	Effective date: 20181129

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