JP7740596B2 - 鋼板、部材およびそれらの製造方法 - Google Patents

鋼板、部材およびそれらの製造方法

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Publication number
JP7740596B2
JP7740596B2 JP2025505539A JP2025505539A JP7740596B2 JP 7740596 B2 JP7740596 B2 JP 7740596B2 JP 2025505539 A JP2025505539 A JP 2025505539A JP 2025505539 A JP2025505539 A JP 2025505539A JP 7740596 B2 JP7740596 B2 JP 7740596B2
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JP
Japan
Prior art keywords
less
steel sheet
area ratio
content
ferrite
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
JP2025505539A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025075094A1 (https=
JPWO2025075094A5 (https=
Inventor
芳怡 王
由康 川崎
達也 中垣内
智宏 堺谷
健太郎 佐藤
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 JPWO2025075094A1 publication Critical patent/JPWO2025075094A1/ja
Publication of JPWO2025075094A5 publication Critical patent/JPWO2025075094A5/ja
Application granted granted Critical
Publication of JP7740596B2 publication Critical patent/JP7740596B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • C21D1/26Methods of annealing
    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/56Continuous furnaces for strip or wire
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C18/00Alloys based on zinc
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C18/00Alloys based on zinc
    • C22C18/04Alloys based on zinc with aluminium as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2025505539A 2023-10-04 2024-10-03 鋼板、部材およびそれらの製造方法 Active JP7740596B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023172599 2023-10-04
JP2023172599 2023-10-04
PCT/JP2024/035463 WO2025075094A1 (ja) 2023-10-04 2024-10-03 鋼板、部材およびそれらの製造方法

Publications (3)

Publication Number Publication Date
JPWO2025075094A1 JPWO2025075094A1 (https=) 2025-04-10
JPWO2025075094A5 JPWO2025075094A5 (https=) 2025-09-10
JP7740596B2 true JP7740596B2 (ja) 2025-09-17

Family

ID=95283370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025505539A Active JP7740596B2 (ja) 2023-10-04 2024-10-03 鋼板、部材およびそれらの製造方法

Country Status (2)

Country Link
JP (1) JP7740596B2 (https=)
WO (1) WO2025075094A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017145329A1 (ja) 2016-02-25 2017-08-31 新日鐵住金株式会社 耐衝撃剥離性および加工部耐食性に優れた高強度溶融亜鉛めっき鋼板
WO2021200579A1 (ja) 2020-03-31 2021-10-07 Jfeスチール株式会社 鋼板、部材及びそれらの製造方法
WO2022131581A1 (ko) 2020-12-15 2022-06-23 주식회사 포스코 표면 경도가 낮고 저온 충격인성이 우수한 강재 및 그 제조방법
WO2023112461A1 (ja) 2021-12-13 2023-06-22 Jfeスチール株式会社 鋼板および部材、ならびに、それらの製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5256689B2 (ja) 2007-10-25 2013-08-07 Jfeスチール株式会社 加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
US8993120B2 (en) 2011-09-30 2015-03-31 Nippon Steel & Sumitomo Metal Corporation High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof
CN103874776B (zh) 2011-09-30 2016-05-18 新日铁住金株式会社 机械切断特性优良的高强度热浸镀锌钢板、高强度合金化热浸镀锌钢板以及它们的制造方法
JP6536294B2 (ja) 2015-08-31 2019-07-03 日本製鉄株式会社 溶融亜鉛めっき鋼板、合金化溶融亜鉛めっき鋼板、およびそれらの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017145329A1 (ja) 2016-02-25 2017-08-31 新日鐵住金株式会社 耐衝撃剥離性および加工部耐食性に優れた高強度溶融亜鉛めっき鋼板
WO2021200579A1 (ja) 2020-03-31 2021-10-07 Jfeスチール株式会社 鋼板、部材及びそれらの製造方法
WO2022131581A1 (ko) 2020-12-15 2022-06-23 주식회사 포스코 표면 경도가 낮고 저온 충격인성이 우수한 강재 및 그 제조방법
WO2023112461A1 (ja) 2021-12-13 2023-06-22 Jfeスチール株式会社 鋼板および部材、ならびに、それらの製造方法

Also Published As

Publication number Publication date
JPWO2025075094A1 (https=) 2025-04-10
WO2025075094A1 (ja) 2025-04-10

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