EP4116003A4 - Verfahren zur herstellung einer stahlkomponente mit lokal weichgemachtem abschnitt - Google Patents

Verfahren zur herstellung einer stahlkomponente mit lokal weichgemachtem abschnitt Download PDF

Info

Publication number
EP4116003A4
EP4116003A4 EP21768018.0A EP21768018A EP4116003A4 EP 4116003 A4 EP4116003 A4 EP 4116003A4 EP 21768018 A EP21768018 A EP 21768018A EP 4116003 A4 EP4116003 A4 EP 4116003A4
Authority
EP
European Patent Office
Prior art keywords
steel component
manufacturing steel
locally softened
softened section
section
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
EP21768018.0A
Other languages
English (en)
French (fr)
Other versions
EP4116003A1 (de
Inventor
Naoki MIZUTA
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
Priority claimed from JP2020172764A external-priority patent/JP7464495B2/ja
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP4116003A1 publication Critical patent/EP4116003A1/de
Publication of EP4116003A4 publication Critical patent/EP4116003A4/de
Pending legal-status Critical Current

Links

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
    • C22C38/02—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
    • 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
    • C21D8/0252—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with application of tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84—Controlled slow cooling
    • 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
    • C21D6/005—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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • C22C38/001—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
    • C22C38/06—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • 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
    • C21D2211/008—Martensite

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)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
EP21768018.0A 2020-03-11 2021-01-15 Verfahren zur herstellung einer stahlkomponente mit lokal weichgemachtem abschnitt Pending EP4116003A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020042274 2020-03-11
JP2020172764A JP7464495B2 (ja) 2020-03-11 2020-10-13 局所的に軟化された部分を有する鋼部品の製造方法
PCT/JP2021/001266 WO2021181866A1 (ja) 2020-03-11 2021-01-15 局所的に軟化された部分を有する鋼部品の製造方法

Publications (2)

Publication Number Publication Date
EP4116003A1 EP4116003A1 (de) 2023-01-11
EP4116003A4 true EP4116003A4 (de) 2023-06-21

Family

ID=77672221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21768018.0A Pending EP4116003A4 (de) 2020-03-11 2021-01-15 Verfahren zur herstellung einer stahlkomponente mit lokal weichgemachtem abschnitt

Country Status (8)

Country Link
US (1) US20230138493A1 (de)
EP (1) EP4116003A4 (de)
KR (1) KR20220145896A (de)
CN (1) CN115279927A (de)
BR (1) BR112022016203A2 (de)
CA (1) CA3169085C (de)
MX (1) MX2022011132A (de)
WO (1) WO2021181866A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08225883A (ja) * 1995-02-16 1996-09-03 Nippon Steel Corp 強度・靭性に優れた高張力鋼板の製造方法
EP2946848A1 (de) * 2013-01-18 2015-11-25 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Herstellungsverfahren für heisspressgeformtes stahlelement
EP3366798A1 (de) * 2015-10-19 2018-08-29 JFE Steel Corporation Heisspresselement und verfahren zur herstellung davon

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3492176B2 (ja) * 1997-12-26 2004-02-03 新日本製鐵株式会社 高い動的変形抵抗を有する良加工性高強度鋼板とその製造方法
KR101133870B1 (ko) * 2006-05-10 2012-04-06 수미도모 메탈 인더스트리즈, 리미티드 열간 프레스 성형 강판 부재 및 그 제조 방법
JP2011179028A (ja) 2010-02-26 2011-09-15 Sumitomo Metal Ind Ltd 成形品の製造方法
JP5739669B2 (ja) * 2010-04-20 2015-06-24 株式会社神戸製鋼所 延性に優れた高強度冷延鋼板の製造方法
PL2891727T3 (pl) * 2012-08-28 2019-04-30 Nippon Steel & Sumitomo Metal Corp Blacha stalowa cienka
JP5884190B2 (ja) * 2013-05-13 2016-03-15 Ｊｆｅスチール株式会社 加工性に優れた高強度マルテンサイト−フェライト系ステンレス厚鋼板およびその製造方法
JP6237365B2 (ja) * 2014-03-17 2017-11-29 新日鐵住金株式会社 成形性と衝突特性に優れた高強度鋼板
JP6417841B2 (ja) * 2014-10-09 2018-11-07 新日鐵住金株式会社 冷延鋼板の製造方法
WO2017109539A1 (en) * 2015-12-21 2017-06-29 Arcelormittal Method for producing a high strength steel sheet having improved strength and formability, and obtained high strength steel sheet
EP4317626A3 (de) 2016-02-04 2024-03-27 Mitsubishi Chemical Corporation Schalldämmungsstruktur mit einem schalldämmenden plattenelement
EP3521458B1 (de) * 2016-09-30 2022-01-19 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Stahlteile, herstellungsverfahren dafür und stahlblech für stahlteile
JP2020172764A (ja) 2019-04-09 2020-10-22 株式会社シャイン 棟下地及び棟の施工方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08225883A (ja) * 1995-02-16 1996-09-03 Nippon Steel Corp 強度・靭性に優れた高張力鋼板の製造方法
EP2946848A1 (de) * 2013-01-18 2015-11-25 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Herstellungsverfahren für heisspressgeformtes stahlelement
EP3366798A1 (de) * 2015-10-19 2018-08-29 JFE Steel Corporation Heisspresselement und verfahren zur herstellung davon

Also Published As

Publication number Publication date
CN115279927A (zh) 2022-11-01
CA3169085A1 (en) 2021-09-16
BR112022016203A2 (pt) 2022-10-04
MX2022011132A (es) 2022-10-13
US20230138493A1 (en) 2023-05-04
CA3169085C (en) 2024-04-16
EP4116003A1 (de) 2023-01-11
KR20220145896A (ko) 2022-10-31
WO2021181866A1 (ja) 2021-09-16

Similar Documents

Publication Publication Date Title
EP4089198A4 (de) Stahl mit kontrollierter streckgrenze und herstellungsverfahren dafür
EP4130323A4 (de) Stahlblech, element und verfahren zur herstellung davon
EP4129602A4 (de) Verfahren zur herstellung von smc
EP4151671A4 (de) Verfahren zur herstellung von polyurethan
EP4094914A4 (de) Smc-herstellungsverfahren
EP4015666A4 (de) Verfahren zur herstellung eines mehrstufigen baustahlrohlings für einen stahl
EP4095280A4 (de) Elektrogeschweisstes stahlrohr und verfahren zu seiner herstellung
EP4089192A4 (de) Stahlblech und verfahren zur herstellung davon
EP4159879A4 (de) Verfahren zur herstellung von reduziertem eisen
EP4206339A4 (de) Verfahren zur herstellung eines orientierten elektromagnetischen stahlblechs
EP4186987A4 (de) Stahlblech und verfahren zur herstellung davon
EP4123051A4 (de) Verfahren zur herstellung eines rostsicheren elements
EP4122666A4 (de) Smc-herstellungsverfahren
EP4151762A4 (de) Stahlblech, element und verfahren zur herstellung davon
EP4116086A4 (de) Verfahren zur herstellung eines optischen laminats
EP4119276A4 (de) Verfahren zur herstellung eines widerstandsgeschweissten elements
EP4129543A4 (de) Verfahren zum abfasen von zahnrädern
EP4116003A4 (de) Verfahren zur herstellung einer stahlkomponente mit lokal weichgemachtem abschnitt
EP4119257A4 (de) Verfahren zur herstellung eines warmgeschmiedeten bauteils
EP4112593A4 (de) Verfahren zur herstellung von hydrofluoroolefin oder fluorolefin
EP4049753A4 (de) Herstellungsverfahren für molybden-bismuth-verbundmetalloxid
EP4122938A4 (de) Herstellungsverfahren für übergangsmetallverbindung
EP4089187A4 (de) Stahlblech und verfahren zur herstellung davon
EP4134762A4 (de) Bearbeitungsverfahren
EP4180221A4 (de) Verfahren zur herstellung eines laminats

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

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: 20221005

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

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: B21D0022200000

Ipc: C22C0038000000

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: 20230522

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/02 20060101ALI20230515BHEP

Ipc: C21D 9/46 20060101ALI20230515BHEP

Ipc: C21D 1/19 20060101ALI20230515BHEP

Ipc: C22C 38/38 20060101ALI20230515BHEP

Ipc: C22C 38/34 20060101ALI20230515BHEP

Ipc: C22C 38/32 20060101ALI20230515BHEP

Ipc: C22C 38/28 20060101ALI20230515BHEP

Ipc: C22C 38/20 20060101ALI20230515BHEP

Ipc: C22C 38/06 20060101ALI20230515BHEP

Ipc: C22C 38/04 20060101ALI20230515BHEP

Ipc: C22C 38/02 20060101ALI20230515BHEP

Ipc: C22C 38/00 20060101AFI20230515BHEP