JP7832579B2 - 鋼材 - Google Patents

鋼材

Info

Publication number
JP7832579B2
JP7832579B2 JP2025534295A JP2025534295A JP7832579B2 JP 7832579 B2 JP7832579 B2 JP 7832579B2 JP 2025534295 A JP2025534295 A JP 2025534295A JP 2025534295 A JP2025534295 A JP 2025534295A JP 7832579 B2 JP7832579 B2 JP 7832579B2
Authority
JP
Japan
Prior art keywords
steel
content
steel material
corrosion resistance
less
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.)
Active
Application number
JP2025534295A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025211036A5 (https=
JPWO2025211036A1 (https=
Inventor
浩行 富士
晋士 吉田
桂一 近藤
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of JPWO2025211036A1 publication Critical patent/JPWO2025211036A1/ja
Publication of JPWO2025211036A5 publication Critical patent/JPWO2025211036A5/ja
Application granted granted Critical
Publication of JP7832579B2 publication Critical patent/JP7832579B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
JP2025534295A 2024-04-01 2025-02-18 鋼材 Active JP7832579B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2024059050 2024-04-01
JP2024059050 2024-04-01
PCT/JP2025/005276 WO2025211036A1 (ja) 2024-04-01 2025-02-18 鋼材

Publications (3)

Publication Number Publication Date
JPWO2025211036A1 JPWO2025211036A1 (https=) 2025-10-09
JPWO2025211036A5 JPWO2025211036A5 (https=) 2026-03-11
JP7832579B2 true JP7832579B2 (ja) 2026-03-18

Family

ID=97266676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025534295A Active JP7832579B2 (ja) 2024-04-01 2025-02-18 鋼材

Country Status (2)

Country Link
JP (1) JP7832579B2 (https=)
WO (1) WO2025211036A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018043570A1 (ja) 2016-09-01 2018-03-08 新日鐵住金株式会社 鋼材及び油井用鋼管
WO2020166668A1 (ja) 2019-02-15 2020-08-20 日本製鉄株式会社 サワー環境での使用に適した鋼材
WO2020166675A1 (ja) 2019-02-15 2020-08-20 日本製鉄株式会社 サワー環境での使用に適した鋼材
JP7614555B1 (ja) 2023-03-09 2025-01-16 日本製鉄株式会社 サワー環境での使用に適した鋼材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018043570A1 (ja) 2016-09-01 2018-03-08 新日鐵住金株式会社 鋼材及び油井用鋼管
WO2020166668A1 (ja) 2019-02-15 2020-08-20 日本製鉄株式会社 サワー環境での使用に適した鋼材
WO2020166675A1 (ja) 2019-02-15 2020-08-20 日本製鉄株式会社 サワー環境での使用に適した鋼材
JP7614555B1 (ja) 2023-03-09 2025-01-16 日本製鉄株式会社 サワー環境での使用に適した鋼材

Also Published As

Publication number Publication date
WO2025211036A1 (ja) 2025-10-09
JPWO2025211036A1 (https=) 2025-10-09

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