EP3572544A4 - Ferritic stainless steel and ferritic stainless steel for car exhaust gas pathway member - Google Patents

Ferritic stainless steel and ferritic stainless steel for car exhaust gas pathway member Download PDF

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Publication number
EP3572544A4
EP3572544A4 EP17893211.7A EP17893211A EP3572544A4 EP 3572544 A4 EP3572544 A4 EP 3572544A4 EP 17893211 A EP17893211 A EP 17893211A EP 3572544 A4 EP3572544 A4 EP 3572544A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
ferritic stainless
exhaust gas
gas pathway
car exhaust
Prior art date
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
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 Stainless 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.)
Filing date
Publication date
Application filed by Nippon Steel Stainless Steel Corp filed Critical Nippon Steel Stainless Steel Corp
Publication of EP3572544A1 publication Critical patent/EP3572544A1/en
Publication of EP3572544A4 publication Critical patent/EP3572544A4/en
Pending legal-status Critical Current

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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
    • C22C38/42—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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • 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 Ferritic stainless steel and ferritic stainless steel for car exhaust gas pathway member Pending 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 Pending EP3572544A4 (en) 2017-01-19 2017-09-05 Ferritic stainless steel and ferritic stainless steel for car exhaust gas pathway member

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 excellent in toughness and its manufacturing method
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
WO2015174079A1 (en) * 2014-05-14 2015-11-19 Ｊｆｅスチール株式会社 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

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 excellent in toughness and its manufacturing method
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
JP6420494B1 (en) 2018-11-07
EP3572544A1 (en) 2019-11-27
CN110312812A (en) 2019-10-08
WO2018135028A1 (en) 2018-07-26
JPWO2018135028A1 (en) 2019-01-24
TW201827623A (en) 2018-08-01
TWI667357B (en) 2019-08-01

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