JPWO2024161737A1 - - Google Patents

Info

Publication number
JPWO2024161737A1
JPWO2024161737A1 JP2024507045A JP2024507045A JPWO2024161737A1 JP WO2024161737 A1 JPWO2024161737 A1 JP WO2024161737A1 JP 2024507045 A JP2024507045 A JP 2024507045A JP 2024507045 A JP2024507045 A JP 2024507045A JP WO2024161737 A1 JPWO2024161737 A1 JP WO2024161737A1
Authority
JP
Japan
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.)
Granted
Application number
JP2024507045A
Other languages
Japanese (ja)
Other versions
JP7786550B2 (ja
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 filed Critical
Publication of JPWO2024161737A1 publication Critical patent/JPWO2024161737A1/ja
Application granted granted Critical
Publication of JP7786550B2 publication Critical patent/JP7786550B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying 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
    • C21D8/0226Hot rolling
    • 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying 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
    • C21D8/0263Modifying 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
    • 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
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

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)
JP2024507045A 2023-01-30 2023-10-31 低降伏比型極厚鋼板およびその製造方法 Active JP7786550B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2023012315 2023-01-30
JP2023012317 2023-01-30
JP2023012315 2023-01-30
JP2023012317 2023-01-30
PCT/JP2023/039335 WO2024161737A1 (ja) 2023-01-30 2023-10-31 低降伏比型極厚鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
JPWO2024161737A1 true JPWO2024161737A1 (https=) 2024-08-08
JP7786550B2 JP7786550B2 (ja) 2025-12-16

Family

ID=92146084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024507045A Active JP7786550B2 (ja) 2023-01-30 2023-10-31 低降伏比型極厚鋼板およびその製造方法

Country Status (4)

Country Link
JP (1) JP7786550B2 (https=)
KR (1) KR20250123167A (https=)
CN (1) CN120569501A (https=)
WO (1) WO2024161737A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04180521A (ja) * 1990-11-14 1992-06-26 Kobe Steel Ltd 高降伏強度高靭性厚肉高張力鋼板の製造方法
WO2015022729A1 (ja) * 2013-08-13 2015-02-19 新日鐵住金株式会社 鋼板
WO2020255993A1 (ja) * 2019-06-17 2020-12-24 日本製鉄株式会社 鋼板
WO2021156925A1 (ja) * 2020-02-03 2021-08-12 日本製鉄株式会社 厚鋼板
WO2021182618A1 (ja) * 2020-03-13 2021-09-16 日本製鉄株式会社 風力発電施設用鋼板およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4972451B2 (ja) 2007-04-20 2012-07-11 株式会社神戸製鋼所 溶接熱影響部および母材の低温靭性に優れた低降伏比高張力鋼板並びにその製造方法
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
JP5176847B2 (ja) 2008-10-03 2013-04-03 新日鐵住金株式会社 低降伏比低温用鋼、およびその製造方法
JP5326827B2 (ja) 2009-06-03 2013-10-30 新日鐵住金株式会社 低降伏比鋼材およびその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04180521A (ja) * 1990-11-14 1992-06-26 Kobe Steel Ltd 高降伏強度高靭性厚肉高張力鋼板の製造方法
WO2015022729A1 (ja) * 2013-08-13 2015-02-19 新日鐵住金株式会社 鋼板
WO2020255993A1 (ja) * 2019-06-17 2020-12-24 日本製鉄株式会社 鋼板
WO2021156925A1 (ja) * 2020-02-03 2021-08-12 日本製鉄株式会社 厚鋼板
WO2021182618A1 (ja) * 2020-03-13 2021-09-16 日本製鉄株式会社 風力発電施設用鋼板およびその製造方法

Also Published As

Publication number Publication date
WO2024161737A1 (ja) 2024-08-08
KR20250123167A (ko) 2025-08-14
JP7786550B2 (ja) 2025-12-16
CN120569501A (zh) 2025-08-29

Similar Documents

Publication Publication Date Title
BR102022025291A2 (https=)
JPWO2024161737A1 (https=)
BR102023005164A2 (https=)
BR102023000289A2 (https=)
BR102022026909A2 (https=)
BR102022023461A2 (https=)
BY13174U (https=)
BY13170U (https=)
BY23965C1 (https=)
CN307049948S (https=)
CN307049700S (https=)
CN307049635S (https=)
BY23963C1 (https=)
CN307049582S (https=)
CN307049429S (https=)
BY13176U (https=)
CN307049381S (https=)
CN307048653S (https=)
CN307048560S (https=)
BY13142U (https=)
CN307048531S (https=)
CN307046943S (https=)
CN307046878S (https=)
BY13175U (https=)
BY13151U (https=)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240205

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250507

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250703

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20251104

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251117

R150 Certificate of patent or registration of utility model

Ref document number: 7786550

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150