KR20260003330A - 각형 강관 및 그 제조 방법 그리고 건축 구조물 - Google Patents

각형 강관 및 그 제조 방법 그리고 건축 구조물

Info

Publication number
KR20260003330A
KR20260003330A KR1020257040632A KR20257040632A KR20260003330A KR 20260003330 A KR20260003330 A KR 20260003330A KR 1020257040632 A KR1020257040632 A KR 1020257040632A KR 20257040632 A KR20257040632 A KR 20257040632A KR 20260003330 A KR20260003330 A KR 20260003330A
Authority
KR
South Korea
Prior art keywords
less
steel pipe
temperature
steel
pearlite
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
KR1020257040632A
Other languages
English (en)
Korean (ko)
Inventor
나오미치 이와타
아키히데 마츠모토
Original Assignee
제이에프이 스틸 가부시키가이샤
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 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Priority claimed from PCT/JP2024/006688 external-priority patent/WO2025004445A1/ja
Publication of KR20260003330A publication Critical patent/KR20260003330A/ko
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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
    • 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
    • C21D8/0247—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
    • 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
    • C21D8/105—
    • 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
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/009—Pearlite

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020257040632A 2023-06-29 2024-02-26 각형 강관 및 그 제조 방법 그리고 건축 구조물 Pending KR20260003330A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023107345 2023-06-29
JPJP-P-2023-107345 2023-06-29
PCT/JP2024/006688 WO2025004445A1 (ja) 2023-06-29 2024-02-26 角形鋼管およびその製造方法ならびに建築構造物

Publications (1)

Publication Number Publication Date
KR20260003330A true KR20260003330A (ko) 2026-01-06

Family

ID=93150864

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257040632A Pending KR20260003330A (ko) 2023-06-29 2024-02-26 각형 강관 및 그 제조 방법 그리고 건축 구조물

Country Status (3)

Country Link
JP (1) JP7571918B1 (https=)
KR (1) KR20260003330A (https=)
CN (1) CN121263544A (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0987743A (ja) 1995-09-27 1997-03-31 Kawasaki Steel Corp 低降伏比高靱性電縫角形鋼管の製造方法
JP5589885B2 (ja) 2010-11-30 2014-09-17 Ｊｆｅスチール株式会社 建築構造部材向け角形鋼管用厚肉熱延鋼板およびその製造方法
JP5594165B2 (ja) 2011-01-28 2014-09-24 Ｊｆｅスチール株式会社 建築構造部材向け角形鋼管用厚肉熱延鋼板の製造方法
JP6388091B1 (ja) 2016-12-12 2018-09-12 Ｊｆｅスチール株式会社 低降伏比角形鋼管用熱延鋼板およびその製造方法並びに低降伏比角形鋼管およびその製造方法
WO2022075026A1 (ja) 2020-10-05 2022-04-14 Ｊｆｅスチール株式会社 角形鋼管およびその製造方法並びに建築構造物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008184686A (ja) * 2007-01-31 2008-08-14 Jfe Steel Kk 建築用低ｙｒ角鋼管の製造方法
JP6807690B2 (ja) * 2016-09-27 2021-01-06 日本製鉄株式会社 角形鋼管
KR20240053606A (ko) * 2021-09-29 2024-04-24 제이에프이 스틸 가부시키가이샤 각형 강관 및 그의 제조 방법, 열연 강판 및 그의 제조 방법, 그리고 건축 구조물
JP7424551B1 (ja) * 2022-06-03 2024-01-30 Ｊｆｅスチール株式会社 熱延鋼板、角形鋼管、それらの製造方法および建築構造物
CN119895067A (zh) * 2022-09-20 2025-04-25 杰富意钢铁株式会社 热轧钢板、方形钢管和它们的制造方法以及建筑结构物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0987743A (ja) 1995-09-27 1997-03-31 Kawasaki Steel Corp 低降伏比高靱性電縫角形鋼管の製造方法
JP5589885B2 (ja) 2010-11-30 2014-09-17 Ｊｆｅスチール株式会社 建築構造部材向け角形鋼管用厚肉熱延鋼板およびその製造方法
JP5594165B2 (ja) 2011-01-28 2014-09-24 Ｊｆｅスチール株式会社 建築構造部材向け角形鋼管用厚肉熱延鋼板の製造方法
JP6388091B1 (ja) 2016-12-12 2018-09-12 Ｊｆｅスチール株式会社 低降伏比角形鋼管用熱延鋼板およびその製造方法並びに低降伏比角形鋼管およびその製造方法
WO2022075026A1 (ja) 2020-10-05 2022-04-14 Ｊｆｅスチール株式会社 角形鋼管およびその製造方法並びに建築構造物

Also Published As

Publication number Publication date
JP7571918B1 (ja) 2024-10-23
JPWO2025004445A1 (https=) 2025-01-02
CN121263544A (zh) 2026-01-02

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