EP3191612A4 - High strength austenitic stainless steel and production method thereof - Google Patents

High strength austenitic stainless steel and production method thereof Download PDF

Info

Publication number
EP3191612A4
EP3191612A4 EP15834538.9A EP15834538A EP3191612A4 EP 3191612 A4 EP3191612 A4 EP 3191612A4 EP 15834538 A EP15834538 A EP 15834538A EP 3191612 A4 EP3191612 A4 EP 3191612A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
production method
high strength
austenitic stainless
strength austenitic
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.)
Withdrawn
Application number
EP15834538.9A
Other languages
German (de)
French (fr)
Other versions
EP3191612A1 (en
Inventor
Juho Talonen
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.)
Outokumpu Oyj
Original Assignee
Outokumpu Oyj
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 Outokumpu Oyj filed Critical Outokumpu Oyj
Publication of EP3191612A1 publication Critical patent/EP3191612A1/en
Publication of EP3191612A4 publication Critical patent/EP3191612A4/en
Withdrawn legal-status Critical Current

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/18—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
    • C22C38/58—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
EP15834538.9A 2014-08-21 2015-08-21 High strength austenitic stainless steel and production method thereof Withdrawn EP3191612A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145735A FI127274B (en) 2014-08-21 2014-08-21 AUSTENITIC STAINLESS STEEL WITH HIGH STABILITY AND ITS PRODUCTION METHOD
PCT/FI2015/050539 WO2016027009A1 (en) 2014-08-21 2015-08-21 High strength austenitic stainless steel and production method thereof

Publications (2)

Publication Number Publication Date
EP3191612A1 EP3191612A1 (en) 2017-07-19
EP3191612A4 true EP3191612A4 (en) 2018-01-24

Family

ID=55350237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15834538.9A Withdrawn EP3191612A4 (en) 2014-08-21 2015-08-21 High strength austenitic stainless steel and production method thereof

Country Status (7)

Country Link
US (1) US20170268076A1 (en)
EP (1) EP3191612A4 (en)
JP (1) JP2017531093A (en)
KR (1) KR20170029631A (en)
CN (1) CN106574351A (en)
FI (1) FI127274B (en)
WO (1) WO2016027009A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101903403B1 (en) * 2016-11-25 2018-10-04 한국기계연구원 Austenitic stainless steel with improved pitting corrosion resistance
KR101903174B1 (en) * 2016-12-13 2018-10-01 주식회사 포스코 Low alloy steel sheet with excellent strength and ductility
PL3360981T3 (en) * 2017-02-10 2020-12-14 Outokumpu Oyj Steel component manufactured by hot forming, method of manufacturing and use of the component
KR101952818B1 (en) * 2017-09-25 2019-02-28 주식회사포스코 Low alloy steel sheet with high strength and ductility and method of manufacturing same
KR102021277B1 (en) * 2017-11-23 2019-09-16 한국기계연구원 C+n austenitic stainless steel with excellent mechanical properties and corrosion resistance
KR102268906B1 (en) * 2019-07-17 2021-06-25 주식회사 포스코 Austenitic stainless steel with imporoved strength and method for manufacturing the same
KR102272785B1 (en) * 2019-10-29 2021-07-05 주식회사 포스코 Austenitic stainless steel with imporoved yield ratio and method for manufacturing the same
KR102326262B1 (en) * 2019-12-18 2021-11-15 주식회사 포스코 High yield ratio high strength austenitic stainless steel
KR102403849B1 (en) * 2020-06-23 2022-05-30 주식회사 포스코 High strength austenitic stainless steel with excellent productivity and cost saving effect, and method for manufacturing the same
CN112111691B (en) * 2020-08-12 2022-06-21 广西柳钢中金不锈钢有限公司 Method for manufacturing copper-free nickel-saving cold-rolled austenitic stainless steel
KR102445585B1 (en) * 2020-09-18 2022-09-21 한국과학기술원 Low activation austenitic stainless steel having tantalium and preparing method of the same
CN112281083A (en) * 2020-10-30 2021-01-29 上海材料研究所 High-strength heat-resistant alloy steel having high thermal expansion characteristics and method for manufacturing same
JP2024504546A (en) 2020-11-13 2024-02-01 アセリノックス、ヨーロッパ、エセ、ア、ウ Austenitic stainless steel with low Ni content with high tensile strength/high ductility properties
CN113059153A (en) * 2021-03-22 2021-07-02 湖南大学 Austenitic stainless steel and laser additive manufacturing method thereof
KR20230091618A (en) * 2021-12-16 2023-06-23 주식회사 포스코 Austenitic stainless steel and method for producing the same
KR20230166672A (en) * 2022-05-31 2023-12-07 주식회사 포스코 Austenite stainless steel and manufacturing method
CN114934231B (en) * 2022-05-31 2023-05-02 江西宝顺昌特种合金制造有限公司 High-manganese low-magnetism high-strength austenitic steel and manufacturing method thereof
CN115961216B (en) * 2023-02-15 2023-08-04 山东烟炉节能科技有限公司 Submarine oil and gas transmission pipeline and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0694626A1 (en) * 1994-07-26 1996-01-31 Acerinox S.A. Austenitic stainless steel with low nickel content
JP2008038191A (en) * 2006-08-04 2008-02-21 Nippon Metal Ind Co Ltd Austenitic stainless steel and its production method
WO2010087766A1 (en) * 2009-01-30 2010-08-05 ≤Sandvik Intellectual Property Ab Stainless austenitic low ni steel alloy
JP2014001422A (en) * 2012-06-18 2014-01-09 Nippon Steel & Sumitomo Metal Austenitic stainless steel plate and manufacturing method for the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037182B2 (en) * 1977-03-24 1985-08-24 日本冶金工業株式会社 High strength austenitic stainless steel with excellent corrosion resistance
JPH05117813A (en) * 1991-04-18 1993-05-14 Nisshin Steel Co Ltd Stainless steel for metal gasket having excellent formability and fatigue characteristic and this manufacture
JP5544633B2 (en) * 2007-07-30 2014-07-09 新日鐵住金ステンレス株式会社 Austenitic stainless steel sheet for structural members with excellent shock absorption characteristics
JP5347600B2 (en) * 2009-03-16 2013-11-20 新日鐵住金株式会社 Austenitic stainless steel and method for producing austenitic stainless steel sheet
JP5597006B2 (en) * 2010-03-26 2014-10-01 新日鐵住金ステンレス株式会社 High strength and high ductility austenitic stainless steel sheet for structural members and method for producing the same
CN102337481B (en) * 2010-07-20 2013-11-13 宝山钢铁股份有限公司 Molybdenum-containing nickel-saving austenitic stainless steel with excellent corrosion resistance and manufacturing method thereof
JP6056132B2 (en) * 2010-11-25 2017-01-11 Ｊｆｅスチール株式会社 Austenitic and ferritic duplex stainless steel for fuel tanks

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0694626A1 (en) * 1994-07-26 1996-01-31 Acerinox S.A. Austenitic stainless steel with low nickel content
JP2008038191A (en) * 2006-08-04 2008-02-21 Nippon Metal Ind Co Ltd Austenitic stainless steel and its production method
WO2010087766A1 (en) * 2009-01-30 2010-08-05 ≤Sandvik Intellectual Property Ab Stainless austenitic low ni steel alloy
JP2014001422A (en) * 2012-06-18 2014-01-09 Nippon Steel & Sumitomo Metal Austenitic stainless steel plate and manufacturing method for the same

Also Published As

Publication number Publication date
CN106574351A (en) 2017-04-19
US20170268076A1 (en) 2017-09-21
JP2017531093A (en) 2017-10-19
EP3191612A1 (en) 2017-07-19
WO2016027009A1 (en) 2016-02-25
KR20170029631A (en) 2017-03-15
FI127274B (en) 2018-02-28

Similar Documents

Publication Publication Date Title
EP3191612A4 (en) High strength austenitic stainless steel and production method thereof
EP3214194A4 (en) Austenitic stainless steel and manufacturing method therefor
EP3133179B8 (en) Austenitic stainless steel and method for producing same
EP3321389A4 (en) High strength seamless stainless steel pipe and manufacturing method therefor
EP3121304A4 (en) Ferritic stainless steel and production method therefor
EP3358030A4 (en) Austenitic stainless steel and method for producing austenitic stainless steel
EP3150737A4 (en) Heat-treated steel material and method for producing same
EP3255164A4 (en) High-strength steel sheet and production method therefor
EP3150736A4 (en) Heat-treated steel material and method for producing same
EP3508602A4 (en) Austenitic stainless steel
EP3231883A4 (en) Ferritic stainless steel and process for producing same
SG11201702136YA (en) Austenitic stainless steel sheet and method for manufacturing the same
EP3138936A4 (en) High-strength steel sheet and production method therefor
EP3178958A4 (en) Austenitic stainless steel
EP3109334A4 (en) Stainless steel foil and method for manufacturing same
EP3176280A4 (en) Ferritic stainless steel and method for producing same
EP3255162A4 (en) High-strength steel sheet and production method therefor
PL3170912T3 (en) Steel product and manufacturing method of the same
EP3287536A4 (en) Martensitic stainless steel
EP3255163A4 (en) High-strength steel sheet and production method therefor
EP3428298A4 (en) Martensitic stainless steel foil and method for manufacturing same
EP3339459A4 (en) Vibration-damping ferritic stainless steel material, and production method
EP3480330A4 (en) Austenitic stainless steel
EP3133181A4 (en) Steel h-beam and method for manufacturing same
EP3231882A4 (en) Stainless steel and production method therefor

Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20170228

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)
A4 Supplementary search report drawn up and despatched

Effective date: 20180102

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/44 20060101ALI20171219BHEP

Ipc: C22C 38/50 20060101ALI20171219BHEP

Ipc: C22C 38/58 20060101ALI20171219BHEP

Ipc: C22C 38/46 20060101ALI20171219BHEP

Ipc: C22C 38/48 20060101AFI20171219BHEP

Ipc: C21D 1/26 20060101ALI20171219BHEP

Ipc: C21D 8/02 20060101ALI20171219BHEP

Ipc: C22C 38/42 20060101ALI20171219BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/00 20060101AFI20181129BHEP

Ipc: C22C 38/42 20060101ALI20181129BHEP

Ipc: C22C 38/46 20060101ALI20181129BHEP

Ipc: C22C 38/50 20060101ALI20181129BHEP

Ipc: C21D 1/26 20060101ALI20181129BHEP

Ipc: C22C 38/58 20060101ALI20181129BHEP

Ipc: C21D 9/46 20060101ALI20181129BHEP

Ipc: C22C 38/02 20060101ALI20181129BHEP

Ipc: C22C 38/48 20060101ALI20181129BHEP

INTG Intention to grant announced

Effective date: 20181219

TPAC Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOSNTIPA

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

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

18D Application deemed to be withdrawn

Effective date: 20190430