JP7276443B2 - 鋼板およびその製造方法 - Google Patents

鋼板およびその製造方法 Download PDF

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Publication number
JP7276443B2
JP7276443B2 JP2021524994A JP2021524994A JP7276443B2 JP 7276443 B2 JP7276443 B2 JP 7276443B2 JP 2021524994 A JP2021524994 A JP 2021524994A JP 2021524994 A JP2021524994 A JP 2021524994A JP 7276443 B2 JP7276443 B2 JP 7276443B2
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Prior art keywords
ferrite
temperature
toughness
steel
less
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Japanese (ja)
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JPWO2021199629A1 (https=
Inventor
竜平 竹下
亮 荒尾
圭治 植田
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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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • 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
    • C22C38/001—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
    • 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
    • C22C38/14—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/005—Ferrite

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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 Steel (AREA)
JP2021524994A 2020-03-30 2021-01-27 鋼板およびその製造方法 Active JP7276443B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020061190 2020-03-30
JP2020061190 2020-03-30
PCT/JP2021/002892 WO2021199629A1 (ja) 2020-03-30 2021-01-27 鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
JPWO2021199629A1 JPWO2021199629A1 (https=) 2021-10-07
JP7276443B2 true JP7276443B2 (ja) 2023-05-18

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JP2021524994A Active JP7276443B2 (ja) 2020-03-30 2021-01-27 鋼板およびその製造方法

Country Status (4)

Country Link
JP (1) JP7276443B2 (https=)
KR (1) KR102879162B1 (https=)
CN (1) CN115135787A (https=)
WO (1) WO2021199629A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102889835B1 (ko) * 2021-07-02 2025-11-21 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조 방법
WO2023276516A1 (ja) * 2021-07-02 2023-01-05 Ｊｆｅスチール株式会社 高強度鋼板およびその製造方法
CN118679276A (zh) * 2022-06-01 2024-09-20 杰富意钢铁株式会社 大线能量焊接用钢板及其制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008248354A (ja) 2007-03-30 2008-10-16 Kobe Steel Ltd 脆性亀裂発生抑制・停止特性および溶接熱影響部の低温靭性に優れた高張力鋼板
WO2013175745A1 (ja) 2012-05-21 2013-11-28 Ｊｆｅスチール株式会社 脆性き裂伝播停止特性に優れた構造用高強度厚鋼板およびその製造方法
WO2017130885A1 (ja) 2016-01-29 2017-08-03 Ｊｆｅスチール株式会社 高強度・高靭性鋼管用鋼板およびその製造方法
WO2019216269A1 (ja) 2018-05-07 2019-11-14 日本製鉄株式会社 熱延鋼板及びその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5526164A (en) 1978-08-14 1980-02-25 Fuji Kikai Seisakusho Kk Product supplying device
US5080547A (en) 1990-03-30 1992-01-14 The B. F. Goodrich Company Triaxially braided composite nut and bolt
JP2694625B2 (ja) 1991-07-05 1997-12-24 光技術研究開発株式会社 化合物半導体基体のエッチング方法および製造方法
JP2950076B2 (ja) 1993-01-08 1999-09-20 住友金属工業株式会社 溶接構造物用鋼
JP3262972B2 (ja) * 1995-07-31 2002-03-04 新日本製鐵株式会社 低降伏比を有する低温靭性に優れた溶接性高強度鋼
JP3842836B2 (ja) * 1996-01-24 2006-11-08 新日本製鐵株式会社 低温靱性に優れた高張力鋼材の製造方法
JP3733898B2 (ja) 2001-11-30 2006-01-11 Ｊｆｅスチール株式会社 大入熱溶接部靱性に優れた厚肉高張力鋼材の製造方法
JP4299769B2 (ja) 2004-04-28 2009-07-22 新日本製鐵株式会社 入熱２０〜１００ｋＪ／ｍｍの大入熱溶接用高ＨＡＺ靭性鋼材
JP4332064B2 (ja) 2004-05-07 2009-09-16 新日本製鐵株式会社 入熱２０〜１００ｋＪ／ｍｍの大入熱溶接用高ＨＡＺ靭性鋼材
JP2013079444A (ja) * 2011-09-20 2013-05-02 Kobe Steel Ltd 溶接歪みの少ない鋼板
JP6690585B2 (ja) * 2017-03-14 2020-04-28 Ｊｆｅスチール株式会社 鋼材およびその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008248354A (ja) 2007-03-30 2008-10-16 Kobe Steel Ltd 脆性亀裂発生抑制・停止特性および溶接熱影響部の低温靭性に優れた高張力鋼板
WO2013175745A1 (ja) 2012-05-21 2013-11-28 Ｊｆｅスチール株式会社 脆性き裂伝播停止特性に優れた構造用高強度厚鋼板およびその製造方法
WO2017130885A1 (ja) 2016-01-29 2017-08-03 Ｊｆｅスチール株式会社 高強度・高靭性鋼管用鋼板およびその製造方法
WO2019216269A1 (ja) 2018-05-07 2019-11-14 日本製鉄株式会社 熱延鋼板及びその製造方法

Also Published As

Publication number Publication date
KR20220092977A (ko) 2022-07-04
CN115135787A (zh) 2022-09-30
KR102879162B1 (ko) 2025-10-30
JPWO2021199629A1 (https=) 2021-10-07
WO2021199629A1 (ja) 2021-10-07

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