EP4464810A4 - STEEL COMPONENT AND ITS PRODUCTION PROCESS - Google Patents

STEEL COMPONENT AND ITS PRODUCTION PROCESS

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)
English (en)
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

    • 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
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C21D1/02Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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
    • C22C38/02Ferrous 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
    • C22C38/04Ferrous 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
    • C22C38/06Ferrous 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
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • 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
    • C21D2211/001Austenite
    • 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
    • C21D2211/002Bainite
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/002Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous 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 ITS PRODUCTION PROCESS Pending EP4464810A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022012396 2022-01-28
PCT/JP2023/002508 WO2023145838A1 (ja) 2022-01-28 2023-01-26 鋼部品およびその製造方法

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 ITS PRODUCTION PROCESS

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102705357B1 (ko) 2019-12-23 2024-09-09 제이에프이 스틸 가부시키가이샤 쾌삭강 및 그의 제조 방법
JP7024921B1 (ja) * 2020-03-31 2022-02-24 Jfeスチール株式会社 快削鋼およびその製造方法
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 (ja) * 1992-03-31 1993-10-26 Sumitomo Metal Ind Ltd 強度および靱性に優れた熱間鍛造用非調質鋼
KR20140056767A (ko) * 2012-10-31 2014-05-12 현대제철 주식회사 액슬빔 및 그 제조 방법
US20140283954A1 (en) * 2013-03-22 2014-09-25 Caterpiller Inc. Bainitic microalloy steel with enhanced nitriding characteristics
EP3168312A1 (de) * 2015-11-16 2017-05-17 Deutsche Edelstahlwerke GmbH Edelbaustahl mit bainitischem gefüge, daraus hergestelltes schmiedeteil und verfahren zur herstellung eines schmiedeteils
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 (ja) 1991-03-13 1992-10-09 Nippon Steel Corp 高強度高靭性熱間鍛造非調質鋼の製造方法
JP3339587B2 (ja) 1991-12-04 2002-10-28 愛知製鋼株式会社 熱間鍛造用焼入省略鋼の製造方法
JPH05287373A (ja) 1992-04-14 1993-11-02 Nippon Steel Corp 高強度高靱性熱間加工非調質鋼の製造方法
JPH09111412A (ja) * 1995-10-19 1997-04-28 Sumitomo Metal Ind Ltd 高強度・高降伏比・低延性非調質鋼
JPH10298703A (ja) 1997-04-21 1998-11-10 Mitsubishi Seiko Muroran Tokushuko Kk 降伏比、耐久比に優れたベイナイト型高強度高靭性熱間鍛造用非調質鋼
JP2001200332A (ja) 2000-01-21 2001-07-24 Sanyo Special Steel Co Ltd 高靱性非調質鋼
KR20040037738A (ko) * 2002-10-30 2004-05-07 현대자동차주식회사 고강도 고인성 로워 암 커넥터 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05279788A (ja) * 1992-03-31 1993-10-26 Sumitomo Metal Ind Ltd 強度および靱性に優れた熱間鍛造用非調質鋼
KR20140056767A (ko) * 2012-10-31 2014-05-12 현대제철 주식회사 액슬빔 및 그 제조 방법
US20140283954A1 (en) * 2013-03-22 2014-09-25 Caterpiller Inc. Bainitic microalloy steel with enhanced nitriding characteristics
EP3168312A1 (de) * 2015-11-16 2017-05-17 Deutsche Edelstahlwerke GmbH Edelbaustahl mit bainitischem gefüge, daraus hergestelltes schmiedeteil und verfahren zur herstellung eines schmiedeteils
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 (ko) 2024-08-05
CN118591647A (zh) 2024-09-03
EP4464810A1 (en) 2024-11-20
JPWO2023145838A1 (https=) 2023-08-03
WO2023145838A1 (ja) 2023-08-03
JP7380957B1 (ja) 2023-11-15

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