JP6773251B1 - 高強度部材及び高強度部材の製造方法 - Google Patents

高強度部材及び高強度部材の製造方法 Download PDF

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Publication number
JP6773251B1
JP6773251B1 JP2020500927A JP2020500927A JP6773251B1 JP 6773251 B1 JP6773251 B1 JP 6773251B1 JP 2020500927 A JP2020500927 A JP 2020500927A JP 2020500927 A JP2020500927 A JP 2020500927A JP 6773251 B1 JP6773251 B1 JP 6773251B1
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steel sheet
strength member
face
strength
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JPWO2020090302A1 (ja
Inventor
拓弥 平島
拓弥 平島
真平 吉岡
真平 吉岡
金子　真次郎
真次郎 金子
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JFE Steel Corp
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JFE Steel Corp
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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
    • 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
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties 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
    • C22C38/04—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

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)
  • Heat Treatment Of Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
JP2020500927A 2018-10-31 2019-09-25 高強度部材及び高強度部材の製造方法 Active JP6773251B1 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2018204875 2018-10-31
JP2018204875 2018-10-31
JP2019121143 2019-06-28
JP2019121143 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

Related Child Applications (1)

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JP2020086412A Division JP7163339B2 (ja) 2018-10-31 2020-05-18 高強度部材および高強度部材の製造方法

Publications (2)

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JP6773251B1 true JP6773251B1 (ja) 2020-10-21
JPWO2020090302A1 JPWO2020090302A1 (ja) 2021-02-15

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JP2020500927A Active JP6773251B1 (ja) 2018-10-31 2019-09-25 高強度部材及び高強度部材の製造方法
JP2020086412A Active JP7163339B2 (ja) 2018-10-31 2020-05-18 高強度部材および高強度部材の製造方法
JP2021193087A Active JP7701864B2 (ja) 2018-10-31 2021-11-29 高強度部材および高強度部材の製造方法

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JP2021193087A Active JP7701864B2 (ja) 2018-10-31 2021-11-29 高強度部材および高強度部材の製造方法

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6958752B2 (ja) * 2019-08-30 2021-11-02 Ｊｆｅスチール株式会社 鋼板、部材及びそれらの製造方法
WO2022138894A1 (ja) * 2020-12-25 2022-06-30 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
US20240263288A1 (en) * 2021-09-09 2024-08-08 Nippon Steel Corporation Cold rolled steel sheet and method for producing same
KR20250167007A (ko) * 2023-03-27 2025-11-28 타타 스틸 리미티드 고강도 냉연 소둔 강 및 그 제조 방법

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008189985A (ja) * 2007-02-02 2008-08-21 Sumitomo Metal Ind Ltd 局部延性能に優れた熱延鋼板及びその製造方法
JP2013221198A (ja) * 2012-04-18 2013-10-28 Nippon Steel & Sumitomo Metal Corp 冷延鋼板およびその製造方法
JP2014025133A (ja) * 2012-07-30 2014-02-06 Nippon Steel & Sumitomo Metal 冷延鋼板およびその製造方法
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
JP2015117403A (ja) * 2013-12-18 2015-06-25 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
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
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
EP3276022B1 (en) * 2015-03-25 2019-09-04 JFE Steel Corporation Cold-rolled steel sheet and manufacturing method therefor
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
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
KR102226643B1 (ko) 2016-09-28 2021-03-10 제이에프이 스틸 가부시키가이샤 강판 및 그 제조 방법
WO2018062381A1 (ja) * 2016-09-28 2018-04-05 Ｊｆｅスチール株式会社 鋼板およびその製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008189985A (ja) * 2007-02-02 2008-08-21 Sumitomo Metal Ind Ltd 局部延性能に優れた熱延鋼板及びその製造方法
JP2013221198A (ja) * 2012-04-18 2013-10-28 Nippon Steel & Sumitomo Metal Corp 冷延鋼板およびその製造方法
JP2014025133A (ja) * 2012-07-30 2014-02-06 Nippon Steel & Sumitomo Metal 冷延鋼板およびその製造方法
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
JP2015117403A (ja) * 2013-12-18 2015-06-25 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
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
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

Also Published As

Publication number Publication date
EP3875625A1 (en) 2021-09-08
KR20210065163A (ko) 2021-06-03
US12180569B2 (en) 2024-12-31
WO2020090302A1 (ja) 2020-05-07
CN112955575A (zh) 2021-06-11
JP7701864B2 (ja) 2025-07-02
EP3875625B1 (en) 2024-05-22
KR102525728B1 (ko) 2023-04-26
JP7163339B2 (ja) 2022-10-31
US20220010414A1 (en) 2022-01-13
CN112955575B (zh) 2022-07-08
EP3875625A4 (en) 2021-09-29
JPWO2020090302A1 (ja) 2021-02-15
JP2021004414A (ja) 2021-01-14
MX2021004941A (es) 2021-06-08
JP2022028885A (ja) 2022-02-16

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