EP3495523A4 - High-strength steel plate and manufacturing method thereof - Google Patents

High-strength steel plate and manufacturing method thereof Download PDF

Info

Publication number
EP3495523A4
EP3495523A4 EP17836781.9A EP17836781A EP3495523A4 EP 3495523 A4 EP3495523 A4 EP 3495523A4 EP 17836781 A EP17836781 A EP 17836781A EP 3495523 A4 EP3495523 A4 EP 3495523A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel plate
strength steel
strength
plate
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
EP17836781.9A
Other languages
German (de)
French (fr)
Other versions
EP3495523B1 (en
EP3495523A1 (en
Inventor
Elijah KAKIUCHI
Toshio Murakami
Shigeo Otani
Yuichi Futamura
Tadao Murata
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.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP3495523A1 publication Critical patent/EP3495523A1/en
Publication of EP3495523A4 publication Critical patent/EP3495523A4/en
Application granted granted Critical
Publication of EP3495523B1 publication Critical patent/EP3495523B1/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • 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
    • C22C38/002—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
    • C22C38/02—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

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)
EP17836781.9A 2016-08-03 2017-07-21 High-strength steel sheet and manufacturing method thereof Active EP3495523B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016153110A JP6762798B2 (en) 2016-08-03 2016-08-03 High-strength steel sheet and its manufacturing method
PCT/JP2017/026569 WO2018025675A1 (en) 2016-08-03 2017-07-21 High-strength steel plate and manufacturing method thereof

Publications (3)

Publication Number Publication Date
EP3495523A1 EP3495523A1 (en) 2019-06-12
EP3495523A4 true EP3495523A4 (en) 2020-02-26
EP3495523B1 EP3495523B1 (en) 2021-06-30

Family

ID=61073581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17836781.9A Active EP3495523B1 (en) 2016-08-03 2017-07-21 High-strength steel sheet and manufacturing method thereof

Country Status (5)

Country Link
US (1) US20190185958A1 (en)
EP (1) EP3495523B1 (en)
JP (1) JP6762798B2 (en)
CN (1) CN109477182B (en)
WO (1) WO2018025675A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018132901A1 (en) * 2018-12-19 2020-06-25 Voestalpine Stahl Gmbh Process for the production of conventionally hot rolled hot rolled products
DE102018132908A1 (en) * 2018-12-19 2020-06-25 Voestalpine Stahl Gmbh Process for the production of thermo-mechanically produced hot strip products
DE102018132816A1 (en) * 2018-12-19 2020-06-25 Voestalpine Stahl Gmbh Process for the production of thermo-mechanically produced profiled hot-rolled products
DE102018132860A1 (en) * 2018-12-19 2020-06-25 Voestalpine Stahl Gmbh Process for the production of conventionally hot-rolled, profiled hot-rolled products
WO2020138343A1 (en) * 2018-12-27 2020-07-02 日本製鉄株式会社 Steel sheet
JP7185555B2 (en) * 2019-02-18 2022-12-07 株式会社神戸製鋼所 steel plate
CN116096514A (en) * 2020-08-27 2023-05-09 日本制铁株式会社 Hot rolled steel sheet
US20230323496A1 (en) * 2020-08-27 2023-10-12 Nippon Steel Corporation Hot-rolled steel sheet
MX2023001627A (en) * 2020-08-27 2023-03-09 Nippon Steel Corp Hot-rolled steel sheet.
EP4180545A4 (en) * 2020-08-27 2023-12-06 Nippon Steel Corporation Hot-rolled steel sheet

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010015245A1 (en) * 1998-07-08 2001-08-23 Recherche Et Developpement Du Groupe Cuckerill Sambre (Rd-Cs) Flat product, such as sheet, made of steel having a high yield strength and exhibiting good ductility and process for manufacturing this product
EP2660345A2 (en) * 2010-12-27 2013-11-06 Posco Steel sheet having enhanced ductility for a molding member, molding member, and method for manufacturing same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101487096B (en) * 2009-02-19 2010-08-11 北京科技大学 Low-alloy high-strength C-Mn-Al Q & P steel and method of manufacturing the same
WO2014020640A1 (en) * 2012-07-31 2014-02-06 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet having excellent moldability and shape fixability, and method for manufacturing same
CN104278194B (en) * 2013-07-08 2016-12-28 鞍钢股份有限公司 Automobile cold-rolled steel plate with high strength and high plasticity and production method thereof
JP5728108B2 (en) * 2013-09-27 2015-06-03 株式会社神戸製鋼所 High-strength steel sheet with excellent workability and low-temperature toughness, and method for producing the same
JP6417841B2 (en) * 2014-10-09 2018-11-07 新日鐵住金株式会社 Cold rolled steel sheet manufacturing method
CN105154763A (en) * 2015-09-24 2015-12-16 华北理工大学 Low-carbon silicon-manganese bainite high-strength steel and production method thereof
CN105734213B (en) * 2016-05-08 2017-09-29 东北大学 A kind of Q ＆ P steel plates and its twice partition preparation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010015245A1 (en) * 1998-07-08 2001-08-23 Recherche Et Developpement Du Groupe Cuckerill Sambre (Rd-Cs) Flat product, such as sheet, made of steel having a high yield strength and exhibiting good ductility and process for manufacturing this product
EP2660345A2 (en) * 2010-12-27 2013-11-06 Posco Steel sheet having enhanced ductility for a molding member, molding member, and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018025675A1 *

Also Published As

Publication number Publication date
CN109477182A (en) 2019-03-15
WO2018025675A1 (en) 2018-02-08
JP6762798B2 (en) 2020-09-30
US20190185958A1 (en) 2019-06-20
CN109477182B (en) 2021-06-18
EP3495523B1 (en) 2021-06-30
EP3495523A1 (en) 2019-06-12
JP2018021233A (en) 2018-02-08

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