EP3940103A4 - Plaque d'acier épaisse - Google Patents

Plaque d'acier épaisse Download PDF

Info

Publication number
EP3940103A4
EP3940103A4 EP20794425.7A EP20794425A EP3940103A4 EP 3940103 A4 EP3940103 A4 EP 3940103A4 EP 20794425 A EP20794425 A EP 20794425A EP 3940103 A4 EP3940103 A4 EP 3940103A4
Authority
EP
European Patent Office
Prior art keywords
steel plate
thick steel
thick
plate
steel
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.)
Pending
Application number
EP20794425.7A
Other languages
German (de)
English (en)
Other versions
EP3940103A1 (fr
Inventor
Hidenori Nako
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP3940103A1 publication Critical patent/EP3940103A1/fr
Publication of EP3940103A4 publication Critical patent/EP3940103A4/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D8/0231—Warm 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
    • C21D8/0263—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 following 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/06—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
    • C22C38/18—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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
EP20794425.7A 2019-04-22 2020-03-30 Plaque d'acier épaisse Pending EP3940103A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019081271 2019-04-22
JP2020007626A JP7398970B2 (ja) 2019-04-22 2020-01-21 厚鋼板およびその製造方法
PCT/JP2020/014612 WO2020217873A1 (fr) 2019-04-22 2020-03-30 Plaque d'acier épaisse

Publications (2)

Publication Number Publication Date
EP3940103A1 EP3940103A1 (fr) 2022-01-19
EP3940103A4 true EP3940103A4 (fr) 2022-11-30

Family

ID=72936617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20794425.7A Pending EP3940103A4 (fr) 2019-04-22 2020-03-30 Plaque d'acier épaisse

Country Status (5)

Country Link
EP (1) EP3940103A4 (fr)
JP (1) JP7398970B2 (fr)
KR (1) KR102684370B1 (fr)
CN (1) CN113840933B (fr)
WO (1) WO2020217873A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116014309B (zh) 2021-10-22 2026-03-24 株式会社Lg新能源 圆筒形电池、应用于其的集电板、包括其的电池组及汽车
CN114277314B (zh) * 2021-12-02 2022-12-09 莱芜钢铁集团银山型钢有限公司 一种耐腐蚀大线能量焊接海洋工程用高强度钢板及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5679091B1 (ja) * 2013-04-04 2015-03-04 Ｊｆｅスチール株式会社 熱延鋼板およびその製造方法
JP5812193B2 (ja) * 2012-05-21 2015-11-11 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
JP2016148105A (ja) * 2015-02-10 2016-08-18 新日鐵住金株式会社 Ｌｐｇタンク用鋼板およびその製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08158006A (ja) * 1994-12-06 1996-06-18 Kobe Steel Ltd 溶接熱影響部の靭性が優れた高強度鋼
JP2007270194A (ja) 2006-03-30 2007-10-18 Jfe Steel Kk 耐ｓｒ特性に優れた高強度鋼板の製造方法
JP4605117B2 (ja) 2006-07-25 2011-01-05 住友金属工業株式会社 Ｌｐｇ・アンモニア運搬船用タンクに用いられる鋼材
KR100851189B1 (ko) * 2006-11-02 2008-08-08 주식회사 포스코 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법
JP5031531B2 (ja) 2007-11-20 2012-09-19 新日本製鐵株式会社 母材低温靭性およびｈａｚ低温靭性に優れた低降伏比高張力鋼板とその製造方法
CN102666884B (zh) * 2010-02-08 2013-07-31 新日铁住金株式会社 厚钢板的制造方法
JP5533024B2 (ja) 2010-02-26 2014-06-25 Ｊｆｅスチール株式会社 低温靭性に優れた厚肉高張力熱延鋼板の製造方法
JP5833964B2 (ja) 2012-03-29 2015-12-16 株式会社神戸製鋼所 曲げ加工性、衝撃特性および引張特性に優れた鋼板およびその製造方法
JP6196929B2 (ja) * 2014-04-08 2017-09-13 株式会社神戸製鋼所 極低温でのｈａｚ靱性に優れた厚鋼板
KR101726082B1 (ko) * 2015-12-04 2017-04-12 주식회사 포스코 취성균열전파 저항성 및 용접부 취성균열개시 저항성이 우수한 고강도 강재 및 그 제조방법
CN111094609B (zh) 2017-09-19 2021-09-14 日本制铁株式会社 钢管和钢板
JP2019081271A (ja) 2017-10-30 2019-05-30 クラレプラスチックス株式会社 ホワイトボードおよび映写スクリーン兼用フィルム
JP7100318B2 (ja) 2018-07-11 2022-07-13 Ｔｎｋ水道コンサルタント株式会社 硫酸腐食耐性コンクリート系管、コンクリート系管の硫酸腐食防止方法及び鉄筋の防食方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5812193B2 (ja) * 2012-05-21 2015-11-11 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
JP5679091B1 (ja) * 2013-04-04 2015-03-04 Ｊｆｅスチール株式会社 熱延鋼板およびその製造方法
JP2016148105A (ja) * 2015-02-10 2016-08-18 新日鐵住金株式会社 Ｌｐｇタンク用鋼板およびその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020217873A1 *

Also Published As

Publication number Publication date
KR20210142184A (ko) 2021-11-24
CN113840933B (zh) 2022-09-16
EP3940103A1 (fr) 2022-01-19
KR102684370B1 (ko) 2024-07-11
JP2020176329A (ja) 2020-10-29
JP7398970B2 (ja) 2023-12-15
WO2020217873A1 (fr) 2020-10-29
CN113840933A (zh) 2021-12-24

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Owner name: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)

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Inventor name: NAKO, HIDENORI

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