EP3312299A4 - Steel sheet and manufacturing method - Google Patents

Steel sheet and manufacturing method Download PDF

Info

Publication number
EP3312299A4
EP3312299A4 EP16811762.0A EP16811762A EP3312299A4 EP 3312299 A4 EP3312299 A4 EP 3312299A4 EP 16811762 A EP16811762 A EP 16811762A EP 3312299 A4 EP3312299 A4 EP 3312299A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel sheet
steel
sheet
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Withdrawn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
EP16811762.0A
Other languages
German (de)
French (fr)
Other versions
EP3312299A1 (en
Inventor
Kazuo HIKIDA
Motonori Hashimoto
Kengo Takeda
Ken Takata
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 and Sumitomo Metal 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 and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP3312299A1 publication Critical patent/EP3312299A1/en
Publication of EP3312299A4 publication Critical patent/EP3312299A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • C21D1/32Soft annealing, e.g. spheroidising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84Controlled slow cooling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0257Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/008Ferrous alloys, e.g. steel alloys containing tin
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08Iron or steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/009Pearlite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
EP16811762.0A 2015-06-17 2016-06-17 Steel sheet and manufacturing method Withdrawn EP3312299A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015122260 2015-06-17
PCT/JP2016/068169 WO2016204288A1 (en) 2015-06-17 2016-06-17 Steel sheet and manufacturing method

Publications (2)

Publication Number Publication Date
EP3312299A1 EP3312299A1 (en) 2018-04-25
EP3312299A4 true EP3312299A4 (en) 2018-12-05

Family

ID=57545378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16811762.0A Withdrawn EP3312299A4 (en) 2015-06-17 2016-06-17 Steel sheet and manufacturing method

Country Status (9)

Country Link
US (1) US20180171445A1 (en)
EP (1) EP3312299A4 (en)
JP (1) JP6206601B2 (en)
KR (1) KR101997382B1 (en)
CN (1) CN107735505B (en)
BR (1) BR112017025756A2 (en)
MX (1) MX2017015266A (en)
TW (1) TWI588270B (en)
WO (1) WO2016204288A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2758716C1 (en) * 2020-08-20 2021-11-01 Публичное акционерное общество «Северсталь» (ПАО "Северсталь") Method for production of hot-rolled steel products from tool steel

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101951134B1 (en) * 2015-04-10 2019-02-21 신닛테츠스미킨 카부시키카이샤 Steel sheet with excellent cold workability during forming, and process for producing same
BR112017024692A2 (en) * 2015-05-26 2018-07-24 Nippon Steel & Sumitomo Metal Corporation steel plate and production method
JP6160783B2 (en) 2015-05-26 2017-07-12 新日鐵住金株式会社 Steel sheet and manufacturing method thereof
KR102235355B1 (en) * 2017-08-31 2021-04-02 닛폰세이테츠 가부시키가이샤 Carburizing steel sheet, and method for manufacturing carburizing steel sheet
KR102219032B1 (en) * 2017-08-31 2021-02-23 닛폰세이테츠 가부시키가이샤 Carburizing steel plate, and method for manufacturing carburizing steel plate
EP3660177A1 (en) * 2018-10-02 2020-06-03 Nippon Steel Corporation Steel sheet for carburizing, and production method for steel sheet for carburizing
JP6927427B2 (en) * 2019-01-30 2021-08-25 Jfeスチール株式会社 High carbon hot-rolled steel sheet and its manufacturing method
CN111334720B (en) * 2020-03-30 2022-03-25 邯郸钢铁集团有限责任公司 High Al wear-resistant steel strip with good cold formability and production method thereof
CN111394654B (en) * 2020-04-23 2021-08-03 辽宁科技学院 La microalloy-added hot-press forming steel plate and preparation method thereof
CN112080697B (en) * 2020-09-08 2021-09-17 北京首钢股份有限公司 Steel for clutch driven disc, preparation method of steel and clutch driven disc
CN112322976A (en) * 2020-10-30 2021-02-05 包头钢铁(集团)有限责任公司 Rare earth wear-resistant steel NM400 coiled plate with excellent low-temperature-resistant toughness and production method thereof
RU2765047C1 (en) * 2020-12-28 2022-01-25 Публичное акционерное общество «Северсталь» (ПАО «Северсталь») METHOD FOR PRODUCING SHEETS WITH THICKNESS OF 2-20 mm OF HIGH-STRENGTH WEAR-RESISTANT STEEL (OPTIONS)
CN114763590B (en) * 2021-01-11 2023-03-14 宝山钢铁股份有限公司 Wear-resistant steel with high uniform elongation and manufacturing method thereof
CN113774266A (en) * 2021-02-08 2021-12-10 中航上大高温合金材料股份有限公司 Optimized production process for purity of corrosion-resistant alloy
CN115216683B (en) * 2022-05-19 2023-05-05 北京科技大学 Method for regulating and controlling ferrite morphology in casting blank tissue and prepared microalloyed steel
CN115572887B (en) * 2022-10-31 2023-06-09 常州大学 Manganese steel in superfine twin crystal gradient structure and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001073033A (en) * 1999-09-03 2001-03-21 Nisshin Steel Co Ltd Production of medium-high carbon steel sheet excellent in local ductility
JP3909939B2 (en) * 1997-09-08 2007-04-25 日新製鋼株式会社 Manufacturing method for medium and high carbon steel sheets with excellent stretch flangeability
JP2014201812A (en) * 2013-04-08 2014-10-27 株式会社神戸製鋼所 Method for manufacturing cold forging steel material
EP3282032A1 (en) * 2015-04-10 2018-02-14 Nippon Steel & Sumitomo Metal Corporation Steel sheet with excellent cold workability during forming, and process for producing same

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09316540A (en) * 1996-05-27 1997-12-09 Aichi Steel Works Ltd Manufacture of steel for machine structural use for contour induction hardening, excellent in cold forgeability, and manufacture of cold forged part
JPH10265840A (en) * 1997-03-25 1998-10-06 Aichi Steel Works Ltd Production of cold forging parts
JP3468048B2 (en) * 1997-08-26 2003-11-17 住友金属工業株式会社 Manufacturing method of high carbon cold rolled steel sheet with excellent formability
JP3848444B2 (en) * 1997-09-08 2006-11-22 日新製鋼株式会社 Medium and high carbon steel plates with excellent local ductility and hardenability
JP3909949B2 (en) * 1998-03-25 2007-04-25 日新製鋼株式会社 Manufacturing method for medium and high carbon steel sheets with excellent stretch flangeability
JP3879459B2 (en) 2001-08-31 2007-02-14 Jfeスチール株式会社 Manufacturing method of high hardenability high carbon hot rolled steel sheet
US20050199322A1 (en) * 2004-03-10 2005-09-15 Jfe Steel Corporation High carbon hot-rolled steel sheet and method for manufacturing the same
JP4319940B2 (en) 2004-04-27 2009-08-26 新日本製鐵株式会社 High carbon steel plate with excellent workability, hardenability and toughness after heat treatment
JP5194454B2 (en) * 2006-01-31 2013-05-08 Jfeスチール株式会社 Steel plate excellent in fine blanking workability and manufacturing method thereof
CN101379208B (en) * 2006-01-31 2012-06-20 杰富意钢铁株式会社 Steel plate having excellent fine blanking processability and method for manufacture thereof
EP1981285A4 (en) * 2006-02-03 2010-07-07 Nikon Corp Image processing device, image processing method, and image processing program
JP5292698B2 (en) * 2006-03-28 2013-09-18 Jfeスチール株式会社 Extremely soft high carbon hot-rolled steel sheet and method for producing the same
JP4992274B2 (en) * 2006-03-31 2012-08-08 Jfeスチール株式会社 Steel plate excellent in fine blanking workability and manufacturing method thereof
JP5076347B2 (en) * 2006-03-31 2012-11-21 Jfeスチール株式会社 Steel plate excellent in fine blanking workability and manufacturing method thereof
JP2007270331A (en) * 2006-03-31 2007-10-18 Jfe Steel Kk Steel sheet superior in fine blanking workability, and manufacturing method therefor
JP4992277B2 (en) * 2006-03-31 2012-08-08 Jfeスチール株式会社 Steel plate excellent in fine blanking workability and manufacturing method thereof
JP5262012B2 (en) * 2006-08-16 2013-08-14 Jfeスチール株式会社 High carbon hot rolled steel sheet and manufacturing method thereof
JP5652844B2 (en) * 2009-03-30 2015-01-14 日新製鋼株式会社 High formability carburized steel sheet
JP5521931B2 (en) * 2010-09-14 2014-06-18 新日鐵住金株式会社 Soft medium carbon steel plate with excellent induction hardenability
JP6202096B2 (en) * 2013-06-07 2017-09-27 新日鐵住金株式会社 Heat treated steel and method for producing the same
CN103469089B (en) * 2013-09-11 2016-01-27 马鞍山市安工大工业技术研究院有限公司 A kind of cheese crystal grain deep-draw dual phase sheet steel and preparation method thereof
JP6439248B2 (en) * 2013-12-18 2018-12-19 新日鐵住金株式会社 Medium / high carbon steel sheet with excellent punchability and method for producing the same
JP6119924B1 (en) * 2015-05-26 2017-04-26 新日鐵住金株式会社 Steel sheet and manufacturing method thereof
JP6160783B2 (en) * 2015-05-26 2017-07-12 新日鐵住金株式会社 Steel sheet and manufacturing method thereof
BR112017024692A2 (en) * 2015-05-26 2018-07-24 Nippon Steel & Sumitomo Metal Corporation steel plate and production method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3909939B2 (en) * 1997-09-08 2007-04-25 日新製鋼株式会社 Manufacturing method for medium and high carbon steel sheets with excellent stretch flangeability
JP2001073033A (en) * 1999-09-03 2001-03-21 Nisshin Steel Co Ltd Production of medium-high carbon steel sheet excellent in local ductility
JP2014201812A (en) * 2013-04-08 2014-10-27 株式会社神戸製鋼所 Method for manufacturing cold forging steel material
EP3282032A1 (en) * 2015-04-10 2018-02-14 Nippon Steel & Sumitomo Metal Corporation Steel sheet with excellent cold workability during forming, and process for producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016204288A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2758716C1 (en) * 2020-08-20 2021-11-01 Публичное акционерное общество «Северсталь» (ПАО "Северсталь") Method for production of hot-rolled steel products from tool steel

Also Published As

Publication number Publication date
TWI588270B (en) 2017-06-21
BR112017025756A2 (en) 2018-08-14
KR20180004262A (en) 2018-01-10
US20180171445A1 (en) 2018-06-21
CN107735505B (en) 2019-10-18
JP6206601B2 (en) 2017-10-04
WO2016204288A1 (en) 2016-12-22
KR101997382B1 (en) 2019-07-08
JPWO2016204288A1 (en) 2017-06-29
TW201708564A (en) 2017-03-01
CN107735505A (en) 2018-02-23
MX2017015266A (en) 2018-02-19
EP3312299A1 (en) 2018-04-25

Similar Documents

Publication Publication Date Title
EP3486346A4 (en) Steel sheet and production method therefor
EP3276022A4 (en) Cold-rolled steel sheet and manufacturing method therefor
EP3312299A4 (en) Steel sheet and manufacturing method
EP3309273A4 (en) Galvannealed steel sheet and method for manufacturing same
EP3263733A4 (en) Cold-rolled steel sheet and method for manufacturing same
EP3444372A4 (en) High strength steel sheet and manufacturing method therefor
EP3305930A4 (en) Steel sheet and method for producing same
EP3266900A4 (en) MOLTEN Al-Zn-Mg-Si-PLATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
EP3214196A4 (en) High-strength steel sheet and method for manufacturing same
EP3115475A4 (en) Medium-/high-carbon steel sheet and method for manufacturing same
EP3284841A4 (en) Hot-rolled steel sheet and method for manufacturing same
EP3178949A4 (en) High-strength steel sheet and method for manufacturing same
EP3214197A4 (en) High-strength steel sheet and method for manufacturing same
EP3305931A4 (en) Steel sheet and manufacturing method therefor
EP3521511A4 (en) Water-disintegrable sheet and method for manufacturing water-disintegrable sheet
EP3187601A4 (en) High-strength steel sheet and method for manufacturing same
EP3305929A4 (en) Steel sheet and method for producing same
EP3406748A4 (en) High-strength steel sheet and manufacturing method therefor
EP3584340A4 (en) Steel sheet and manufacturing method therefor
EP3385443A4 (en) Sheet and sheet manufacturing method
EP3276043A4 (en) Insulating-coated oriented magnetic steel sheet and method for manufacturing same
EP3346019A4 (en) High strength thin steel sheet and method for manufacturing same
EP3351649A4 (en) High silicon steel sheet and manufacturing method therefor
EP3412786A4 (en) High strength steel sheet and manufacturing method therefor
EP3339464A4 (en) High-hardness steel sheet, and manufacturing 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: 20171215

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: 20181030

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/06 20060101ALI20181020BHEP

Ipc: C21D 1/55 20060101ALI20181020BHEP

Ipc: C22C 38/02 20060101ALI20181020BHEP

Ipc: C21D 1/76 20060101ALN20181020BHEP

Ipc: C21D 1/84 20060101ALI20181020BHEP

Ipc: C21D 8/02 20060101ALI20181020BHEP

Ipc: C21D 6/00 20060101ALI20181020BHEP

Ipc: C22C 38/60 20060101ALI20181020BHEP

Ipc: C22C 38/48 20060101ALN20181020BHEP

Ipc: C22C 38/00 20060101AFI20181020BHEP

Ipc: C22C 38/46 20060101ALN20181020BHEP

Ipc: C22C 38/50 20060101ALN20181020BHEP

Ipc: C22C 38/44 20060101ALN20181020BHEP

Ipc: C21D 9/46 20060101ALI20181020BHEP

Ipc: C21D 1/32 20060101ALI20181020BHEP

Ipc: C22C 38/42 20060101ALN20181020BHEP

Ipc: C22C 38/58 20060101ALN20181020BHEP

Ipc: C21D 6/02 20060101ALI20181020BHEP

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

Owner name: NIPPON STEEL CORPORATION

17Q First examination report despatched

Effective date: 20190912

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

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/02 20060101ALI20200408BHEP

Ipc: C22C 38/44 20060101ALN20200408BHEP

Ipc: C22C 38/58 20060101ALN20200408BHEP

Ipc: C22C 38/46 20060101ALN20200408BHEP

Ipc: C21D 1/76 20060101ALN20200408BHEP

Ipc: C22C 38/42 20060101ALN20200408BHEP

Ipc: C22C 38/48 20060101ALN20200408BHEP

Ipc: C22C 38/50 20060101ALN20200408BHEP

Ipc: C21D 9/46 20060101ALI20200408BHEP

Ipc: C22C 38/02 20060101ALI20200408BHEP

Ipc: C21D 1/55 20060101ALI20200408BHEP

Ipc: C22C 38/00 20060101AFI20200408BHEP

Ipc: C21D 6/00 20060101ALI20200408BHEP

Ipc: C21D 1/84 20060101ALI20200408BHEP

Ipc: C21D 1/32 20060101ALI20200408BHEP

Ipc: C22C 38/06 20060101ALI20200408BHEP

Ipc: C22C 38/60 20060101ALI20200408BHEP

Ipc: C21D 6/02 20060101ALI20200408BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/84 20060101ALI20200414BHEP

Ipc: C22C 38/02 20060101ALI20200414BHEP

Ipc: C22C 38/00 20060101AFI20200414BHEP

Ipc: C21D 1/55 20060101ALI20200414BHEP

Ipc: C21D 1/32 20060101ALI20200414BHEP

Ipc: C22C 38/46 20060101ALN20200414BHEP

Ipc: C22C 38/06 20060101ALI20200414BHEP

Ipc: C22C 38/60 20060101ALI20200414BHEP

Ipc: C21D 6/02 20060101ALI20200414BHEP

Ipc: C21D 1/76 20060101ALN20200414BHEP

Ipc: C22C 38/44 20060101ALN20200414BHEP

Ipc: C22C 38/58 20060101ALN20200414BHEP

Ipc: C22C 38/42 20060101ALN20200414BHEP

Ipc: C21D 6/00 20060101ALI20200414BHEP

Ipc: C22C 38/48 20060101ALN20200414BHEP

Ipc: C21D 9/46 20060101ALI20200414BHEP

Ipc: C21D 8/02 20060101ALI20200414BHEP

Ipc: C22C 38/50 20060101ALN20200414BHEP

INTG Intention to grant announced

Effective date: 20200511

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/00 20060101AFI20200428BHEP

Ipc: C21D 1/55 20060101ALI20200428BHEP

Ipc: C22C 38/02 20060101ALI20200428BHEP

Ipc: C21D 6/02 20060101ALI20200428BHEP

Ipc: C21D 6/00 20060101ALI20200428BHEP

Ipc: C22C 38/50 20060101ALN20200428BHEP

Ipc: C22C 38/48 20060101ALN20200428BHEP

Ipc: C21D 1/32 20060101ALI20200428BHEP

Ipc: C21D 1/76 20060101ALN20200428BHEP

Ipc: C21D 1/84 20060101ALI20200428BHEP

Ipc: C22C 38/44 20060101ALN20200428BHEP

Ipc: C21D 8/02 20060101ALI20200428BHEP

Ipc: C22C 38/58 20060101ALN20200428BHEP

Ipc: C22C 38/46 20060101ALN20200428BHEP

Ipc: C22C 38/60 20060101ALI20200428BHEP

Ipc: C21D 9/46 20060101ALI20200428BHEP

Ipc: C22C 38/06 20060101ALI20200428BHEP

Ipc: C22C 38/42 20060101ALN20200428BHEP

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: 20200922