EP3795711A4 - Low cr ferritic stainless steel having excellent damping capacity and manufacturing method therefor - Google Patents

Low cr ferritic stainless steel having excellent damping capacity and manufacturing method therefor Download PDF

Info

Publication number
EP3795711A4
EP3795711A4 EP18924969.1A EP18924969A EP3795711A4 EP 3795711 A4 EP3795711 A4 EP 3795711A4 EP 18924969 A EP18924969 A EP 18924969A EP 3795711 A4 EP3795711 A4 EP 3795711A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
low
stainless steel
method therefor
ferritic stainless
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.)
Granted
Application number
EP18924969.1A
Other languages
German (de)
French (fr)
Other versions
EP3795711C0 (en
EP3795711B1 (en
EP3795711A1 (en
Inventor
Il Chan JUNG
Sung Hee Ryu
Kye-Man LEE
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.)
Posco Holdings Inc
Original Assignee
Posco Co 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.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3795711A1 publication Critical patent/EP3795711A1/en
Publication of EP3795711A4 publication Critical patent/EP3795711A4/en
Application granted granted Critical
Publication of EP3795711C0 publication Critical patent/EP3795711C0/en
Publication of EP3795711B1 publication Critical patent/EP3795711B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C22C38/18—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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C22C38/42—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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum

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 Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
EP18924969.1A 2018-06-26 2018-09-12 Low cr ferritic stainless steel having excellent damping capacity and manufacturing method therefor Active EP3795711B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180073250A KR102109898B1 (en) 2018-06-26 2018-06-26 LOW-Cr FERRITIC STAINLESS STEEL WITH EXCELLENT VIBRATION DAMPING PROPERTY AND MANUFACTURING METHOD THEREOF
PCT/KR2018/010699 WO2020004710A1 (en) 2018-06-26 2018-09-12 Low cr ferritic stainless steel having excellent damping capacity and manufacturing method therefor

Publications (4)

Publication Number Publication Date
EP3795711A1 EP3795711A1 (en) 2021-03-24
EP3795711A4 true EP3795711A4 (en) 2021-03-24
EP3795711C0 EP3795711C0 (en) 2024-02-07
EP3795711B1 EP3795711B1 (en) 2024-02-07

Family

ID=68985020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18924969.1A Active EP3795711B1 (en) 2018-06-26 2018-09-12 Low cr ferritic stainless steel having excellent damping capacity and manufacturing method therefor

Country Status (3)

Country Link
EP (1) EP3795711B1 (en)
KR (1) KR102109898B1 (en)
WO (1) WO2020004710A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009299182A (en) * 2008-05-12 2009-12-24 Nisshin Steel Co Ltd Ferritic stainless steel
CN102234740A (en) * 2010-04-22 2011-11-09 宝山钢铁股份有限公司 Ferrite stainless steel and manufacturing method of ferrite stainless steel cold-rolled sheet made therefrom
US20140023550A1 (en) * 2011-03-29 2014-01-23 Junichi Hamada Ferritic stainless steel sheet excellent in heat resistance and workability and method of production of same
KR20160077515A (en) * 2014-12-23 2016-07-04 주식회사 포스코 High-corrosion resistance steel with excellent sound-absorbing and method for manufacturing the same
WO2018181060A1 (en) * 2017-03-27 2018-10-04 新日鐵住金ステンレス株式会社 Ferrite stainless steel sheet and production method therefor, and exhaust components

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3886933B2 (en) * 2003-06-04 2007-02-28 日新製鋼株式会社 Ferritic stainless steel sheet excellent in press formability and secondary workability and manufacturing method thereof
JP5682901B2 (en) 2008-09-18 2015-03-11 Ｊｆｅスチール株式会社 Ti-added ferritic stainless steel sheet excellent in spinning workability and manufacturing method thereof
JP6240423B2 (en) 2012-12-26 2017-11-29 新日鐵住金ステンレス株式会社 Ferritic stainless steel sheet with excellent antibacterial properties and method for producing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009299182A (en) * 2008-05-12 2009-12-24 Nisshin Steel Co Ltd Ferritic stainless steel
CN102234740A (en) * 2010-04-22 2011-11-09 宝山钢铁股份有限公司 Ferrite stainless steel and manufacturing method of ferrite stainless steel cold-rolled sheet made therefrom
US20140023550A1 (en) * 2011-03-29 2014-01-23 Junichi Hamada Ferritic stainless steel sheet excellent in heat resistance and workability and method of production of same
KR20160077515A (en) * 2014-12-23 2016-07-04 주식회사 포스코 High-corrosion resistance steel with excellent sound-absorbing and method for manufacturing the same
WO2018181060A1 (en) * 2017-03-27 2018-10-04 新日鐵住金ステンレス株式会社 Ferrite stainless steel sheet and production method therefor, and exhaust components

Also Published As

Publication number Publication date
KR20200000942A (en) 2020-01-06
WO2020004710A1 (en) 2020-01-02
EP3795711C0 (en) 2024-02-07
KR102109898B1 (en) 2020-05-12
EP3795711B1 (en) 2024-02-07
EP3795711A1 (en) 2021-03-24

Similar Documents

Publication Publication Date Title
EP3480329A4 (en) Ferritic stainless steel sheet and manufacturing method therefor
EP3865296A4 (en) Super duplex stainless steel clad steel plate and manufacturing method therefor
EP3865601A4 (en) Nonmagnetic austenitic stainless steel and manufacturing method therefor
EP3862452A4 (en) Austenitic stainless steel sheet and method for producing same
EP3604589A4 (en) Ferritic stainless steel
EP3816311A4 (en) Steel pipe and steel sheet
EP3438313A4 (en) Nb-containing ferritic stainless steel sheet and manufacturing method therefor
EP3835450A4 (en) Austenitic stainless steel having excellent pipe-expandability and age cracking resistance
EP3889298A4 (en) High-strength steel with excellent durability and method for manufacturing same
EP3805417A4 (en) Ferritic stainless steel sheet and method for producing same
EP3865600A4 (en) High-strength nonmagnetic austenitic stainless steel and manufacturing method therefor
EP3587610A4 (en) Hot-rolled and annealed ferritic stainless steel sheet, and method for manufacturing same
EP3929323A4 (en) Ultrahigh-strength steel having excellent cold workability and ssc resistance, and manufacturing method therefor
EP3561127A4 (en) Austenitic stainless steel having excellent processability and surface characteristics, and manufacturing method therefor
EP4043597A4 (en) Ferritic stainless steel sheet, method for producing same and ferritic stainless steel member
EP3690075A4 (en) Ferritic stainless steel having excellent high-temperature oxidation resistance, and manufacturing method therefor
EP3683324A4 (en) Austenitic stainless steel and method for producing same
EP3875624A4 (en) Austenitic stainless steel sheet
EP3778962A4 (en) Ferritic stainless steel with excellent ridging resistance
EP3872218A4 (en) Ferritic stainless steel having improved corrosion resistance, and manufacturing method therefor
EP4006177A4 (en) Martensitic stainless steel pipe, and method for manufacturing martensitic stainless steel pipe
EP4054643A4 (en) Glypican-3-specific modified aptamer and use thereof
EP3556888A4 (en) Ferritic stainless steel with excellent ridging property and surface quality and manufacturing method therefor
EP3872216A4 (en) Cryogenic austenitic high-manganese steel having excellent shape, and manufacturing method therefor
EP3699314A4 (en) Utility ferritic stainless steel having excellent hot workability, and manufacturing method therefor

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201216

A4 Supplementary search report drawn up and despatched

Effective date: 20210224

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

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POSCO HOLDINGS INC.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: POSCO CO., LTD

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20231006

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

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

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018065103

Country of ref document: DE

U01 Request for unitary effect filed

Effective date: 20240307

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI

Effective date: 20240404