JP7801649B1 - 高炭素冷間圧延鋼板、高炭素熱間圧延鋼板および渦巻ばね - Google Patents

高炭素冷間圧延鋼板、高炭素熱間圧延鋼板および渦巻ばね

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Publication number
JP7801649B1
JP7801649B1 JP2025531339A JP2025531339A JP7801649B1 JP 7801649 B1 JP7801649 B1 JP 7801649B1 JP 2025531339 A JP2025531339 A JP 2025531339A JP 2025531339 A JP2025531339 A JP 2025531339A JP 7801649 B1 JP7801649 B1 JP 7801649B1
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JP
Japan
Prior art keywords
less
rolled steel
steel sheet
inclusions
cold
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.)
Active
Application number
JP2025531339A
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English (en)
Japanese (ja)
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JPWO2025234448A1 (https=
JPWO2025234448A5 (https=
Inventor
大輔 伊藤
健 岡本
和希 中矢
幸仁 冨安
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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Publication date
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Publication of JPWO2025234448A1 publication Critical patent/JPWO2025234448A1/ja
Application granted granted Critical
Publication of JP7801649B1 publication Critical patent/JP7801649B1/ja
Publication of JPWO2025234448A5 publication Critical patent/JPWO2025234448A5/ja
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2025531339A 2024-05-10 2025-05-08 高炭素冷間圧延鋼板、高炭素熱間圧延鋼板および渦巻ばね Active JP7801649B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2024077352 2024-05-10
JP2024077352 2024-05-10
PCT/JP2025/016859 WO2025234448A1 (ja) 2024-05-10 2025-05-08 高炭素冷間圧延鋼板、高炭素熱間圧延鋼板および渦巻ばね

Publications (3)

Publication Number Publication Date
JPWO2025234448A1 JPWO2025234448A1 (https=) 2025-11-13
JP7801649B1 true JP7801649B1 (ja) 2026-01-19
JPWO2025234448A5 JPWO2025234448A5 (https=) 2026-04-14

Family

ID=97675368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025531339A Active JP7801649B1 (ja) 2024-05-10 2025-05-08 高炭素冷間圧延鋼板、高炭素熱間圧延鋼板および渦巻ばね

Country Status (5)

Country Link
JP (1) JP7801649B1 (https=)
KR (1) KR20260008826A (https=)
CN (1) CN121358883A (https=)
MX (1) MX2025014542A (https=)
WO (1) WO2025234448A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013057114A (ja) * 2011-09-09 2013-03-28 Nippon Steel & Sumitomo Metal Corp 加工性及び焼入性に優れた中炭素鋼板とその製造方法
WO2013061652A1 (ja) * 2011-10-25 2013-05-02 新日鐵住金株式会社 鋼板
CN111041372A (zh) * 2019-12-30 2020-04-21 广东韶钢松山股份有限公司 一种具有深冷拉拔性能的弹簧钢盘条、弹簧钢丝、弹簧及制造方法
JP2022086737A (ja) * 2020-11-30 2022-06-09 Ｊｆｅスチール株式会社 鋼板及びその製造方法
KR20230048710A (ko) * 2021-10-05 2023-04-12 주식회사 포스코 고탄소 강판 및 그 제조방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101445868B1 (ko) 2007-06-05 2014-10-01 주식회사 포스코 피로수명이 우수한 고탄소 강판 및 그 제조 방법
DE102009010442A1 (de) 2009-02-26 2010-09-02 C.D. Wälzholz GmbH Mikrolegierter Kohlenstoffstahl als texturgewalzter Bandstahl, insbesondere für Federelemente

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013057114A (ja) * 2011-09-09 2013-03-28 Nippon Steel & Sumitomo Metal Corp 加工性及び焼入性に優れた中炭素鋼板とその製造方法
WO2013061652A1 (ja) * 2011-10-25 2013-05-02 新日鐵住金株式会社 鋼板
CN111041372A (zh) * 2019-12-30 2020-04-21 广东韶钢松山股份有限公司 一种具有深冷拉拔性能的弹簧钢盘条、弹簧钢丝、弹簧及制造方法
JP2022086737A (ja) * 2020-11-30 2022-06-09 Ｊｆｅスチール株式会社 鋼板及びその製造方法
KR20230048710A (ko) * 2021-10-05 2023-04-12 주식회사 포스코 고탄소 강판 및 그 제조방법

Also Published As

Publication number Publication date
KR20260008826A (ko) 2026-01-16
JPWO2025234448A1 (https=) 2025-11-13
WO2025234448A1 (ja) 2025-11-13
MX2025014542A (es) 2026-01-07
CN121358883A (zh) 2026-01-16

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