KR20240118819A - 강 부품 및 그 제조 방법 - Google Patents

강 부품 및 그 제조 방법 Download PDF

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Publication number
KR20240118819A
KR20240118819A KR1020247022086A KR20247022086A KR20240118819A KR 20240118819 A KR20240118819 A KR 20240118819A KR 1020247022086 A KR1020247022086 A KR 1020247022086A KR 20247022086 A KR20247022086 A KR 20247022086A KR 20240118819 A KR20240118819 A KR 20240118819A
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KR
South Korea
Prior art keywords
steel
less
ratio
cooling rate
average
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
KR1020247022086A
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English (en)
Korean (ko)
Inventor
마사후미 다다
가즈아키 후쿠오카
Original Assignee
제이에프이 스틸 가부시키가이샤
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 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20240118819A publication Critical patent/KR20240118819A/ko
Pending legal-status Critical Current

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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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • 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
    • 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
    • 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

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)
KR1020247022086A 2022-01-28 2023-01-26 강 부품 및 그 제조 방법 Pending KR20240118819A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022012396 2022-01-28
JPJP-P-2022-012396 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 (1)

Publication Number Publication Date
KR20240118819A true KR20240118819A (ko) 2024-08-05

Family

ID=87471532

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247022086A Pending KR20240118819A (ko) 2022-01-28 2023-01-26 강 부품 및 그 제조 방법

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
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
JPH05156354A (ja) 1991-12-04 1993-06-22 Aichi Steel Works Ltd 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
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

Family Cites Families (7)

* 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
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
KR20040037738A (ko) * 2002-10-30 2004-05-07 현대자동차주식회사 고강도 고인성 로워 암 커넥터 제조방법
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
ES2733805T3 (es) * 2015-11-16 2019-12-03 Deutsche Edelstahlwerke Specialty Steel Gmbh & Co Kg Acero fino estructural con estructura bainitica, pieza forjada fabricada a partir del mismo y procedimiento para fabricar una pieza forjada
JP6617852B2 (ja) * 2017-02-24 2019-12-11 日本製鉄株式会社 熱間鍛造用棒鋼

Patent Citations (5)

* 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
JPH05156354A (ja) 1991-12-04 1993-06-22 Aichi Steel Works Ltd 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
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

Also Published As

Publication number Publication date
US20250230530A1 (en) 2025-07-17
EP4464810A4 (en) 2025-11-19
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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P13-X000 Application amended

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PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

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PE0902 Notice of grounds for rejection

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