EP3572544A4 - NON-OXIDIZABLE FERRITE-BASED STEEL, AND NON-OXIDIZABLE FERRITE-BASED STEEL FOR AUTOMOTIVE EXHAUST GAS ROUTING ELEMENT - Google Patents

NON-OXIDIZABLE FERRITE-BASED STEEL, AND NON-OXIDIZABLE FERRITE-BASED STEEL FOR AUTOMOTIVE EXHAUST GAS ROUTING ELEMENT Download PDF

Info

Publication number: EP3572544A4
Authority: EP; European Patent Office
Prior art keywords: oxidizable; ferrite; based steel; exhaust gas; routing element
Prior art date: 2017-01-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP17893211.7A

Other languages

German (de)

French (fr)

Other versions

EP3572544A1 (en

Inventor

Yoshihiro OKA

Yoshitomo Fujimura

Kazunari IMAKAWA

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 Stainless 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.)

2017-01-19

Filing date

2017-09-05

Publication date

2020-05-20

2017-09-05 Application filed by Nippon Steel Stainless Steel Corp filed Critical Nippon Steel Stainless Steel Corp

2019-11-27 Publication of EP3572544A1 publication Critical patent/EP3572544A1/en

2020-05-20 Publication of EP3572544A4 publication Critical patent/EP3572544A4/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Status Withdrawn legal-status Critical Current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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
- 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
- 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
- C21D8/0221—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
- C21D8/0236—Cold 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
- 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
- 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
- C22C38/02—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
- C22C38/44—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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/16—Selection of particular materials
- 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

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)
Combustion & Propulsion (AREA)
General Engineering & Computer Science (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP17893211.7A 2017-01-19 2017-09-05 NON-OXIDIZABLE FERRITE-BASED STEEL, AND NON-OXIDIZABLE FERRITE-BASED STEEL FOR AUTOMOTIVE EXHAUST GAS ROUTING ELEMENT Withdrawn EP3572544A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017007842		2017-01-19
PCT/JP2017/031988 WO2018135028A1 (en)	2017-01-19	2017-09-05	Ferritic stainless steel and ferritic stainless steel for car exhaust gas pathway member

Publications (2)

Publication Number	Publication Date
EP3572544A1 EP3572544A1 (en)	2019-11-27
EP3572544A4 true EP3572544A4 (en)	2020-05-20

Family

ID=62907853

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17893211.7A Withdrawn EP3572544A4 (en)	2017-01-19	2017-09-05	NON-OXIDIZABLE FERRITE-BASED STEEL, AND NON-OXIDIZABLE FERRITE-BASED STEEL FOR AUTOMOTIVE EXHAUST GAS ROUTING ELEMENT

Country Status (7)

Country	Link
US (1)	US20190382874A1 (en)
EP (1)	EP3572544A4 (en)
JP (1)	JP6420494B1 (en)
KR (1)	KR20190109464A (en)
CN (1)	CN110312812A (en)
TW (1)	TWI667357B (en)
WO (1)	WO2018135028A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6721705B2 (en)	2000-02-04	2004-04-13	Webley Systems, Inc.	Robust voice browser system and voice activated device controller

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000303149A (en) *	1999-04-16	2000-10-31	Sumitomo Metal Ind Ltd	Ferritic stainless steel for automotive exhaust system parts
EP1413640A1 (en) *	2001-07-05	2004-04-28	Nisshin Steel Co., Ltd.	Ferritic stainless steel for member of exhaust gas flow passage
US20090092513A1 (en) *	2007-02-26	2009-04-09	Junichi Hamada	Ferritic Stainless Steel Sheet Superior in Heat Resistance
JP2009102728A (en) *	2007-10-02	2009-05-14	Jfe Steel Corp	Ferritic stainless steel with excellent toughness and method for producing the same
JP2009235555A (en) *	2008-03-28	2009-10-15	Nippon Steel & Sumikin Stainless Steel Corp	Heat resistant ferritic stainless steel sheet having excellent oxidation resistance
JP2012007195A (en) *	2010-06-22	2012-01-12	Nisshin Steel Co Ltd	LOW Cr STAINLESS STEEL EXCELLENT IN HEAT RESISTANCE AND AGE HARDENING CHARACTERISTICS, AND AUTOMOTIVE EXHAUST-GAS PATH MEMBER COMPRISING THE STEEL
US20120014830A1 (en) *	2009-03-24	2012-01-19	Junichi Hamada	Ferritic stainless steel excellent in heat resistance and workability sheet
US20130149187A1 (en) *	2010-09-16	2013-06-13	Nippon Steel & Sumikin Stainless Steel Sheet Corporation	Heat-resistant ferritic stainless steel sheet having excellent oxidation resistance

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2562740B2 (en) *	1990-10-15	1996-12-11	日新製鋼株式会社	Ferrite stainless steel with excellent intergranular corrosion resistance, pipe forming property and high temperature strength
JP4390169B2 (en) *	2000-06-23	2009-12-24	日新製鋼株式会社	Ferritic stainless steel for gas turbine exhaust gas path members
JP4182865B2 (en) *	2003-11-11	2008-11-19	Ｊｆｅスチール株式会社	Stainless steel plate for disc brakes with excellent temper softening resistance
JP4948998B2 (en) *	2006-12-07	2012-06-06	日新製鋼株式会社	Ferritic stainless steel and welded steel pipe for automotive exhaust gas flow path members
JP5326344B2 (en) *	2007-04-27	2013-10-30	新日鐵住金株式会社	Heat-resistant structure with excellent creep characteristics in heat-affected zone
CN101962740B (en) *	2009-07-23	2013-03-27	宝山钢铁股份有限公司	Ferrite stainless steel for automobile exhaust emission system and manufacturing method thereof
JP5501795B2 (en) *	2010-02-24	2014-05-28	新日鐵住金ステンレス株式会社	Low-chromium stainless steel with excellent corrosion resistance in welds
JP5546922B2 (en) *	2010-03-26	2014-07-09	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet with excellent heat resistance and workability and method for producing the same
JP5846950B2 (en)	2011-02-08	2016-01-20	新日鐵住金ステンレス株式会社	Ferritic stainless steel hot-rolled steel sheet and method for producing the same, and method for producing ferritic stainless steel sheet
JP5908936B2 (en) *	2014-03-26	2016-04-26	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet for flange, manufacturing method thereof and flange part
KR101899230B1 (en) *	2014-05-14	2018-09-14	제이에프이 스틸 가부시키가이샤	Ferritic stainless steel
JP6557068B2 (en)	2015-06-24	2019-08-07	シャープ株式会社	Sheet conveying apparatus and image forming apparatus

2017
- 2017-09-05 EP EP17893211.7A patent/EP3572544A4/en not_active Withdrawn
- 2017-09-05 JP JP2017550656A patent/JP6420494B1/en active Active
- 2017-09-05 KR KR1020197024089A patent/KR20190109464A/en not_active Ceased
- 2017-09-05 US US16/478,371 patent/US20190382874A1/en not_active Abandoned
- 2017-09-05 CN CN201780083889.6A patent/CN110312812A/en active Pending
- 2017-09-05 WO PCT/JP2017/031988 patent/WO2018135028A1/en not_active Ceased
- 2017-11-28 TW TW106141413A patent/TWI667357B/en active

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000303149A (en) *	1999-04-16	2000-10-31	Sumitomo Metal Ind Ltd	Ferritic stainless steel for automotive exhaust system parts
EP1413640A1 (en) *	2001-07-05	2004-04-28	Nisshin Steel Co., Ltd.	Ferritic stainless steel for member of exhaust gas flow passage
US20090092513A1 (en) *	2007-02-26	2009-04-09	Junichi Hamada	Ferritic Stainless Steel Sheet Superior in Heat Resistance
JP2009102728A (en) *	2007-10-02	2009-05-14	Jfe Steel Corp	Ferritic stainless steel with excellent toughness and method for producing the same
JP2009235555A (en) *	2008-03-28	2009-10-15	Nippon Steel & Sumikin Stainless Steel Corp	Heat resistant ferritic stainless steel sheet having excellent oxidation resistance
US20120014830A1 (en) *	2009-03-24	2012-01-19	Junichi Hamada	Ferritic stainless steel excellent in heat resistance and workability sheet
JP2012007195A (en) *	2010-06-22	2012-01-12	Nisshin Steel Co Ltd	LOW Cr STAINLESS STEEL EXCELLENT IN HEAT RESISTANCE AND AGE HARDENING CHARACTERISTICS, AND AUTOMOTIVE EXHAUST-GAS PATH MEMBER COMPRISING THE STEEL
US20130149187A1 (en) *	2010-09-16	2013-06-13	Nippon Steel & Sumikin Stainless Steel Sheet Corporation	Heat-resistant ferritic stainless steel sheet having excellent oxidation resistance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018135028A1 *

Also Published As

Publication number	Publication date
US20190382874A1 (en)	2019-12-19
KR20190109464A (en)	2019-09-25
EP3572544A1 (en)	2019-11-27
JP6420494B1 (en)	2018-11-07
CN110312812A (en)	2019-10-08
JPWO2018135028A1 (en)	2019-01-24
TWI667357B (en)	2019-08-01
WO2018135028A1 (en)	2018-07-26
TW201827623A (en)	2018-08-01

Legal Events

Date	Code	Title	Description
2018-07-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2019-10-25	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
2019-10-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2019-11-27	17P	Request for examination filed	Effective date: 20190716
2019-11-27	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
2019-11-27	AX	Request for extension of the european patent	Extension state: BA ME
2020-04-22	DAV	Request for validation of the european patent (deleted)
2020-04-22	DAX	Request for extension of the european patent (deleted)
2020-05-20	A4	Supplementary search report drawn up and despatched	Effective date: 20200421
2020-05-20	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/54 20060101ALI20200415BHEP Ipc: C22C 38/00 20060101ALI20200415BHEP Ipc: C22C 38/52 20060101ALI20200415BHEP Ipc: C22C 38/02 20060101ALI20200415BHEP Ipc: C22C 38/48 20060101AFI20200415BHEP Ipc: F01N 13/16 20100101ALI20200415BHEP Ipc: C22C 38/44 20060101ALI20200415BHEP Ipc: C21D 8/02 20060101ALI20200415BHEP Ipc: C22C 38/50 20060101ALI20200415BHEP Ipc: C22C 38/42 20060101ALI20200415BHEP Ipc: C22C 38/06 20060101ALI20200415BHEP Ipc: C22C 38/04 20060101ALI20200415BHEP Ipc: C21D 9/46 20060101ALI20200415BHEP Ipc: C22C 38/46 20060101ALI20200415BHEP
2026-01-07	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NIPPON STEEL CORPORATION
2026-03-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2026-04-08	18W	Application withdrawn	Effective date: 20260303

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