KR102525728B1 - 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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KR102525728B1
KR102525728B1 KR1020217012527A KR20217012527A KR102525728B1 KR 102525728 B1 KR102525728 B1 KR 102525728B1 KR 1020217012527 A KR1020217012527 A KR 1020217012527A KR 20217012527 A KR20217012527 A KR 20217012527A KR 102525728 B1 KR102525728 B1 KR 102525728B1
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strength member
steel sheet
bending
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KR20210065163A (ko
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다쿠야 히라시마
심페이 요시오카
신지로 가네코
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제이에프이 스틸 가부시키가이샤
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    • 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
    • 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
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • 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
    • C22C38/08—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/16—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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/003—Cementite
    • 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
    • C21D2211/008—Martensite

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  • 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)
  • Heat Treatment Of Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
KR1020217012527A 2018-10-31 2019-09-25 고강도 부재, 고강도 부재의 제조 방법 및 고강도 부재용 강판의 제조 방법 Active KR102525728B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JPJP-P-2018-204875 2018-10-31
JP2018204875 2018-10-31
JP2019121143 2019-06-28
JPJP-P-2019-121143 2019-06-28
PCT/JP2019/037688 WO2020090302A1 (ja) 2018-10-31 2019-09-25 高強度部材、高強度部材の製造方法及び高強度部材用鋼板の製造方法

Publications (2)

Publication Number Publication Date
KR20210065163A KR20210065163A (ko) 2021-06-03
KR102525728B1 true KR102525728B1 (ko) 2023-04-26

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Country Link
US (1) US12180569B2 (https=)
EP (1) EP3875625B1 (https=)
JP (3) JP6773251B1 (https=)
KR (1) KR102525728B1 (https=)
CN (1) CN112955575B (https=)
MX (1) MX2021004941A (https=)
WO (1) WO2020090302A1 (https=)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US12338505B2 (en) 2019-08-30 2025-06-24 Jfe Steel Corporation Steel sheet, member, and methods for producing the same
KR102865563B1 (ko) * 2020-12-25 2025-09-29 제이에프이 스틸 가부시키가이샤 강판, 부재 및 그것들의 제조 방법
US20240263288A1 (en) * 2021-09-09 2024-08-08 Nippon Steel Corporation Cold rolled steel sheet and method for producing same
CN117004878B (zh) * 2022-04-29 2026-02-24 宝山钢铁股份有限公司 一种抗拉强度在1450MPa以上的超高强度冷轧钢带及其制造方法
WO2024201290A1 (en) * 2023-03-27 2024-10-03 Tata Steel Limited High strength cold rolled and annealed steel and method of manufacturing thereof

Citations (3)

* Cited by examiner, † Cited by third party
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WO2015093043A1 (ja) 2013-12-18 2015-06-25 Ｊｆｅスチール株式会社 高強度溶融亜鉛めっき鋼板及びその製造方法
WO2018030400A1 (ja) 2016-08-08 2018-02-15 新日鐵住金株式会社 鋼板
WO2018127984A1 (ja) 2017-01-06 2018-07-12 Ｊｆｅスチール株式会社 高強度冷延鋼板およびその製造方法

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JP4556348B2 (ja) * 2000-08-16 2010-10-06 Ｊｆｅスチール株式会社 歪時効硬化特性に優れた超高強度熱延鋼板およびその製造方法
JP3924159B2 (ja) 2001-11-28 2007-06-06 新日本製鐵株式会社 成形加工後の耐遅れ破壊性に優れた高強度薄鋼板及びその製造方法並びに高強度薄鋼板により作成された自動車用強度部品
JP5070865B2 (ja) * 2007-02-02 2012-11-14 住友金属工業株式会社 局部延性能に優れた熱延鋼板及びその製造方法
JP5668337B2 (ja) 2010-06-30 2015-02-12 Ｊｆｅスチール株式会社 延性及び耐遅れ破壊特性に優れる超高強度冷延鋼板およびその製造方法
JP5825185B2 (ja) * 2012-04-18 2015-12-02 新日鐵住金株式会社 冷延鋼板およびその製造方法
JP5807624B2 (ja) 2012-07-30 2015-11-10 新日鐵住金株式会社 冷延鋼板およびその製造方法
JP5862651B2 (ja) 2013-12-18 2016-02-16 Ｊｆｅスチール株式会社 耐衝撃性および曲げ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
KR101987570B1 (ko) * 2015-03-25 2019-06-10 제이에프이 스틸 가부시키가이샤 냉연 강판 및 그 제조 방법
JP6424841B2 (ja) 2016-01-13 2018-11-21 Ｊｆｅスチール株式会社 成形部材の製造方法
US20200165708A1 (en) 2016-02-10 2020-05-28 Jfe Steel Corporation High-strength galvanized steel sheet and method of producing the same
JP2017155329A (ja) 2016-02-29 2017-09-07 株式会社神戸製鋼所 焼入れ用鋼板及びその製造方法
CN106048412B (zh) 2016-06-29 2018-04-27 宝山钢铁股份有限公司 一种相变强化冷加工高强度钢、钢管及钢管的制造方法
JP6388085B2 (ja) 2016-09-28 2018-09-12 Ｊｆｅスチール株式会社 鋼板およびその製造方法
US10982297B2 (en) * 2016-09-28 2021-04-20 Jfe Steel Corporation Steel sheet and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015093043A1 (ja) 2013-12-18 2015-06-25 Ｊｆｅスチール株式会社 高強度溶融亜鉛めっき鋼板及びその製造方法
WO2018030400A1 (ja) 2016-08-08 2018-02-15 新日鐵住金株式会社 鋼板
WO2018127984A1 (ja) 2017-01-06 2018-07-12 Ｊｆｅスチール株式会社 高強度冷延鋼板およびその製造方法

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JP7163339B2 (ja) 2022-10-31
JP6773251B1 (ja) 2020-10-21
JPWO2020090302A1 (ja) 2021-02-15
EP3875625A4 (en) 2021-09-29
CN112955575A (zh) 2021-06-11
JP2021004414A (ja) 2021-01-14
JP2022028885A (ja) 2022-02-16
WO2020090302A1 (ja) 2020-05-07
JP7701864B2 (ja) 2025-07-02
US20220010414A1 (en) 2022-01-13
EP3875625B1 (en) 2024-05-22
CN112955575B (zh) 2022-07-08
EP3875625A1 (en) 2021-09-08
US12180569B2 (en) 2024-12-31
MX2021004941A (es) 2021-06-08
KR20210065163A (ko) 2021-06-03

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