EP4474513A4 - Mechanical structural component and method for manufacturing it - Google Patents

Mechanical structural component and method for manufacturing it

Info

Publication number
EP4474513A4
EP4474513A4 EP23780418.2A EP23780418A EP4474513A4 EP 4474513 A4 EP4474513 A4 EP 4474513A4 EP 23780418 A EP23780418 A EP 23780418A EP 4474513 A4 EP4474513 A4 EP 4474513A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
structural component
mechanical structural
mechanical
component
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
EP23780418.2A
Other languages
German (de)
French (fr)
Other versions
EP4474513A1 (en
Inventor
Tomoki Otsuka
Yuta Imanami
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.)
JFE Steel Corp
Original Assignee
JFE Steel 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4474513A1 publication Critical patent/EP4474513A1/en
Publication of EP4474513A4 publication Critical patent/EP4474513A4/en
Pending 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • 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
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • 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
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C22C38/02—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
    • 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

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP23780418.2A 2022-03-31 2023-03-27 Mechanical structural component and method for manufacturing it Pending EP4474513A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022061367 2022-03-31
PCT/JP2023/012333 WO2023190409A1 (en) 2022-03-31 2023-03-27 Mechanical structural part and method for manufacturing same

Publications (2)

Publication Number Publication Date
EP4474513A1 EP4474513A1 (en) 2024-12-11
EP4474513A4 true EP4474513A4 (en) 2026-03-18

Family

ID=88202385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23780418.2A Pending EP4474513A4 (en) 2022-03-31 2023-03-27 Mechanical structural component and method for manufacturing it

Country Status (7)

Country Link
US (1) US20250179599A1 (en)
EP (1) EP4474513A4 (en)
JP (1) JP7420321B1 (en)
KR (1) KR20240152368A (en)
CN (1) CN119213155A (en)
MX (1) MX2024011893A (en)
WO (1) WO2023190409A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1584701A1 (en) * 2003-01-17 2005-10-12 JFE Steel Corporation Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
EP1669468A1 (en) * 2003-09-29 2006-06-14 JFE Steel Corporation Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
JP2007131871A (en) * 2005-11-08 2007-05-31 Sumitomo Metal Ind Ltd Induction hardening steel
JP2007332440A (en) * 2006-06-16 2007-12-27 Nippon Steel Corp Induction hardened steel and induction hardened parts with excellent low cycle fatigue properties
JP2011038185A (en) * 2010-11-05 2011-02-24 Nippon Steel Corp Steel material for high frequency induction contour hardening having excellent low cycle fatigue property and induction contour hardened component

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660345B2 (en) 1985-05-13 1994-08-10 株式会社神戸製鋼所 Steel manufacturing method with excellent cold workability and preventing grain coarsening during carburizing and heating
JP3870425B2 (en) 1995-01-20 2007-01-17 大同特殊鋼株式会社 Method for producing case-hardened steel for cold working that prevents abnormal grain growth
JP3738004B2 (en) 2002-12-24 2006-01-25 新日本製鐵株式会社 Case-hardening steel with excellent cold workability and prevention of coarse grains during carburizing, and its manufacturing method
JP2006265703A (en) 2005-03-25 2006-10-05 Kobe Steel Ltd Steel for case hardening having excellent crystal grain coarsening resistance and cold workability and method for producing the same
JP2008133530A (en) * 2006-10-31 2008-06-12 Jfe Steel Kk Bearing steel parts, manufacturing method thereof, and bearings
JP2010236062A (en) * 2009-03-31 2010-10-21 Jfe Steel Corp Manufacturing method for machine structural parts
KR20140046491A (en) * 2009-10-22 2014-04-18 신닛테츠스미킨 카부시키카이샤 Steel for induction hardening, induction-hardened steel parts, and process for production of same
JP5790517B2 (en) 2012-01-25 2015-10-07 新日鐵住金株式会社 Rolled steel bar or wire rod for hot forging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1584701A1 (en) * 2003-01-17 2005-10-12 JFE Steel Corporation Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
EP1669468A1 (en) * 2003-09-29 2006-06-14 JFE Steel Corporation Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
JP2007131871A (en) * 2005-11-08 2007-05-31 Sumitomo Metal Ind Ltd Induction hardening steel
JP2007332440A (en) * 2006-06-16 2007-12-27 Nippon Steel Corp Induction hardened steel and induction hardened parts with excellent low cycle fatigue properties
JP2011038185A (en) * 2010-11-05 2011-02-24 Nippon Steel Corp Steel material for high frequency induction contour hardening having excellent low cycle fatigue property and induction contour hardened component

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023190409A1 *

Also Published As

Publication number Publication date
JPWO2023190409A1 (en) 2023-10-05
EP4474513A1 (en) 2024-12-11
KR20240152368A (en) 2024-10-21
JP7420321B1 (en) 2024-01-23
WO2023190409A1 (en) 2023-10-05
US20250179599A1 (en) 2025-06-05
MX2024011893A (en) 2024-11-08
CN119213155A (en) 2024-12-27

Similar Documents

Publication Publication Date Title
EP4001148C0 (en) CONTAINER AND METHOD FOR MANUFACTURING SAME
EP4447077C0 (en) COIL AND METHOD FOR MANUFACTURING THE COIL
EP4122620C0 (en) CAN BODY AND METHOD FOR MANUFACTURING SAME
EP4245524A4 (en) MULTILAYER STRUCTURE AND METHOD FOR MANUFACTURING SAME
EP4620592A4 (en) STRUCTURAL ELEMENT AND METHOD FOR MANUFACTURING IT
EP4153410A4 (en) SYSTEM AND METHOD FOR MANUFACTURING HARDENED ARTICLES
EP4467602A4 (en) RUBBER COMPOSITION AND METHOD FOR MANUFACTURING IT
DE112022005521A5 (en) OPTOELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME
EP4507010A4 (en) PACKAGING AND METHOD FOR MANUFACTURING THE PACKAGING
EP4424738A4 (en) POLYORGANOSILOXANE AND METHOD FOR PRODUCING IT
EP4252540A4 (en) TISSUE-SHAPED PROTEIN COMPONENT AND METHOD FOR THE PRODUCTION THEREOF
EP4431268C0 (en) COMPOSITE PARTS AND METHOD FOR MANUFACTURING
EP4093668C0 (en) AIRCRAFT AND METHOD FOR MANUFACTURING AN AIRCRAFT
EP4563224A4 (en) FILTER AND METHOD FOR MANUFACTURING THEM
EP4146958A4 (en) TRANSMISSION CASE AND METHOD FOR PRODUCING THEREOF
EP4624637A4 (en) METAL ELEMENT AND METHOD FOR PRODUCING IT
EP4563272A4 (en) WELDED ELEMENT AND METHOD FOR MANUFACTURING IT
EP4414058A4 (en) SEPARATOR AND METHOD FOR MANUFACTURING IT
EP4517844A4 (en) LIGHT EMISSIONING ELEMENT AND METHOD FOR MANUFACTURING IT
EP4474513A4 (en) Mechanical structural component and method for manufacturing it
EP4475844C0 (en) METHOD FOR MANUFACTURING MARIBAVIR
EP4439654A4 (en) COOLING ELEMENT COOLING STRUCTURE AND METHOD FOR MANUFACTURING IT
EP4445211A4 (en) METHOD FOR MANUFACTURING CURVED ELECTROCHROMER DEVICES
EP4331784A4 (en) BEND STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
EP3884813C0 (en) FITTED SHEET AND METHOD FOR MANUFACTURING SAME

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: 20240906

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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C22C0038000000

Ipc: C22C0038040000

A4 Supplementary search report drawn up and despatched

Effective date: 20260213

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/04 20060101AFI20260209BHEP

Ipc: C22C 38/18 20060101ALI20260209BHEP

Ipc: C22C 38/02 20060101ALI20260209BHEP

Ipc: C22C 38/06 20060101ALI20260209BHEP

Ipc: C22C 38/00 20060101ALI20260209BHEP

Ipc: C21D 1/10 20060101ALI20260209BHEP

Ipc: C21D 1/42 20060101ALI20260209BHEP

Ipc: C21D 1/18 20060101ALI20260209BHEP

Ipc: C21D 1/06 20060101ALI20260209BHEP

Ipc: C21D 9/28 20060101ALI20260209BHEP

Ipc: C21D 8/06 20060101ALI20260209BHEP

Ipc: C21D 6/00 20060101ALI20260209BHEP