KR102654714B1 - 고강도 부재, 고강도 부재의 제조 방법 및 고강도 부재용 강판의 제조 방법 - Google Patents

고강도 부재, 고강도 부재의 제조 방법 및 고강도 부재용 강판의 제조 방법 Download PDF

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KR102654714B1
KR102654714B1 KR1020217036919A KR20217036919A KR102654714B1 KR 102654714 B1 KR102654714 B1 KR 102654714B1 KR 1020217036919 A KR1020217036919 A KR 1020217036919A KR 20217036919 A KR20217036919 A KR 20217036919A KR 102654714 B1 KR102654714 B1 KR 102654714B1
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strength member
steel sheet
cross
strength
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KR20210149841A (ko
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타쿠야 히라시마
신지로 가네코
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제이에프이 스틸 가부시키가이샤
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    • C21D1/18—Hardening; Quenching with or without subsequent tempering
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    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
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    • 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
    • C21D2261/00—Machining or cutting being involved
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
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WO2022185805A1 (ja) * 2021-03-02 2022-09-09 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
JP7111281B1 (ja) * 2021-03-02 2022-08-02 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
US20240229180A9 (en) * 2021-03-02 2024-07-11 Jfe Steel Corporation Steel sheet, member, and methods for manufacturing the same
WO2022185804A1 (ja) * 2021-03-02 2022-09-09 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
KR20230089785A (ko) * 2021-12-14 2023-06-21 주식회사 포스코 굽힘 특성이 우수한 초고강도 강판 및 이의 제조방법
KR20240052137A (ko) * 2022-10-13 2024-04-23 주식회사 포스코 굽힘 특성이 우수한 초고강도 강판 및 이의 제조방법
CN121646648A (zh) * 2023-09-28 2026-03-10 日本制铁株式会社 成形体
KR20250093734A (ko) * 2023-12-15 2025-06-25 주식회사 포스코 냉연강판 및 그 제조방법
JP2025112825A (ja) * 2024-01-22 2025-08-01 トヨタ自動車株式会社 衝撃吸収部品の製造方法、及び衝撃吸収部品
CN118086782B (zh) * 2024-04-28 2024-07-16 江苏永钢集团有限公司 一种8.8级非调型螺栓用高塑性热轧盘条及其制造方法
CN119040765B (zh) * 2024-09-02 2025-10-24 河北鑫途紧固件制造有限公司 耐腐蚀地脚螺栓

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WO2020230796A1 (ja) 2020-11-19
EP3971308A1 (en) 2022-03-23
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