EP4464810A4 - STEEL COMPONENT AND MANUFACTURING METHOD FOR IT - Google Patents

STEEL COMPONENT AND MANUFACTURING METHOD FOR IT

Info

Publication number
EP4464810A4
EP4464810A4 EP23747048.9A EP23747048A EP4464810A4 EP 4464810 A4 EP4464810 A4 EP 4464810A4 EP 23747048 A EP23747048 A EP 23747048A EP 4464810 A4 EP4464810 A4 EP 4464810A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
steel component
steel
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
EP23747048.9A
Other languages
German (de)
French (fr)
Other versions
EP4464810A1 (en
Inventor
Masafumi Tada
Kazuaki Fukuoka
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 EP4464810A1 publication Critical patent/EP4464810A1/en
Publication of EP4464810A4 publication Critical patent/EP4464810A4/en
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
    • C22C38/18—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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • 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
    • C21D2211/002—Bainite
    • 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
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper

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 Steel (AREA)
EP23747048.9A 2022-01-28 2023-01-26 STEEL COMPONENT AND MANUFACTURING METHOD FOR IT Pending EP4464810A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022012396 2022-01-28
PCT/JP2023/002508 WO2023145838A1 (en) 2022-01-28 2023-01-26 Steel component and production method for same

Publications (2)

Publication Number Publication Date
EP4464810A1 EP4464810A1 (en) 2024-11-20
EP4464810A4 true EP4464810A4 (en) 2025-11-19

Family

ID=87471532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23747048.9A Pending EP4464810A4 (en) 2022-01-28 2023-01-26 STEEL COMPONENT AND MANUFACTURING METHOD FOR IT

Country Status (6)

Country Link
US (1) US20250230530A1 (en)
EP (1) EP4464810A4 (en)
JP (1) JP7380957B1 (en)
KR (1) KR20240118819A (en)
CN (1) CN118591647A (en)
WO (1) WO2023145838A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102705357B1 (en) 2019-12-23 2024-09-09 제이에프이 스틸 가부시키가이샤 Free-cutting steel and manufacturing method thereof
JP7024921B1 (en) * 2020-03-31 2022-02-24 Ｊｆｅスチール株式会社 Free-cutting steel and its manufacturing method
US12562415B1 (en) 2024-10-29 2026-02-24 Sumitomo Riko Company Limited Thermal insulation sheet between battery cells for electric automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05279788A (en) * 1992-03-31 1993-10-26 Sumitomo Metal Ind Ltd Non-heat treated steel for hot forging with excellent strength and toughness
KR20140056767A (en) * 2012-10-31 2014-05-12 현대제철 주식회사 Axle beam and method of manufacturing the same
US20140283954A1 (en) * 2013-03-22 2014-09-25 Caterpiller Inc. Bainitic microalloy steel with enhanced nitriding characteristics
EP3168312A1 (en) * 2015-11-16 2017-05-17 Deutsche Edelstahlwerke GmbH Engineering steel with bainitic structure, forged part produced therefrom and method for making a forged part
US20200010916A1 (en) * 2017-02-24 2020-01-09 Nippon Steel Corporation Steel Bar for Hot Forging

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04285118A (en) 1991-03-13 1992-10-09 Nippon Steel Corp Production of hot forged non-heattreated steel having high strength and high toughness
JP3339587B2 (en) 1991-12-04 2002-10-28 愛知製鋼株式会社 Manufacturing method of quenched steel for hot forging
JPH05287373A (en) 1992-04-14 1993-11-02 Nippon Steel Corp Manufacture of high strength and high toughness hot worked non-heat-treated steel
JPH09111412A (en) * 1995-10-19 1997-04-28 Sumitomo Metal Ind Ltd High strength, high yield ratio, low ductility non-heat treated steel
JPH10298703A (en) 1997-04-21 1998-11-10 Mitsubishi Seiko Muroran Tokushuko Kk Bainite type high strength, high toughness non-heat treated steel with excellent yield ratio and durability ratio for hot forging
JP2001200332A (en) 2000-01-21 2001-07-24 Sanyo Special Steel Co Ltd High toughness non-heat treated steel
KR20040037738A (en) * 2002-10-30 2004-05-07 현대자동차주식회사 Method for manufacturing lower arm connector with high strength and high toughness

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05279788A (en) * 1992-03-31 1993-10-26 Sumitomo Metal Ind Ltd Non-heat treated steel for hot forging with excellent strength and toughness
KR20140056767A (en) * 2012-10-31 2014-05-12 현대제철 주식회사 Axle beam and method of manufacturing the same
US20140283954A1 (en) * 2013-03-22 2014-09-25 Caterpiller Inc. Bainitic microalloy steel with enhanced nitriding characteristics
EP3168312A1 (en) * 2015-11-16 2017-05-17 Deutsche Edelstahlwerke GmbH Engineering steel with bainitic structure, forged part produced therefrom and method for making a forged part
US20200010916A1 (en) * 2017-02-24 2020-01-09 Nippon Steel Corporation Steel Bar for Hot Forging

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023145838A1 *

Also Published As

Publication number Publication date
US20250230530A1 (en) 2025-07-17
KR20240118819A (en) 2024-08-05
CN118591647A (en) 2024-09-03
EP4464810A1 (en) 2024-11-20
JPWO2023145838A1 (en) 2023-08-03
WO2023145838A1 (en) 2023-08-03
JP7380957B1 (en) 2023-11-15

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