JP7424551B1 - 熱延鋼板、角形鋼管、それらの製造方法および建築構造物 - Google Patents

熱延鋼板、角形鋼管、それらの製造方法および建築構造物 Download PDF

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JP7424551B1
JP7424551B1 JP2023547358A JP2023547358A JP7424551B1 JP 7424551 B1 JP7424551 B1 JP 7424551B1 JP 2023547358 A JP2023547358 A JP 2023547358A JP 2023547358 A JP2023547358 A JP 2023547358A JP 7424551 B1 JP7424551 B1 JP 7424551B1
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less
temperature
rolled steel
hot
cooling
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JPWO2023233980A1 (https=
JPWO2023233980A5 (https=
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直道 岩田
晃英 松本
信介 井手
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JFE Steel Corp
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JFE Steel Corp
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    • 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
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/15Making tubes of special shape; Making tube fittings
    • 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
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/005Ferrite
    • 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
    • C21D2211/009Pearlite

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  • 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)
  • Rod-Shaped Construction Members (AREA)
JP2023547358A 2022-06-03 2023-05-15 熱延鋼板、角形鋼管、それらの製造方法および建築構造物 Active JP7424551B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022090799 2022-06-03
JP2022090799 2022-06-03
PCT/JP2023/018030 WO2023233980A1 (ja) 2022-06-03 2023-05-15 熱延鋼板、角形鋼管、それらの製造方法および建築構造物

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JPWO2023233980A1 JPWO2023233980A1 (https=) 2023-12-07
JP7424551B1 true JP7424551B1 (ja) 2024-01-30
JPWO2023233980A5 JPWO2023233980A5 (https=) 2024-05-14

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JP (1) JP7424551B1 (https=)
KR (1) KR20250004851A (https=)
CN (1) CN119173647A (https=)
TW (1) TWI869860B (https=)
WO (1) WO2023233980A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121263544A (zh) * 2023-06-29 2026-01-02 杰富意钢铁株式会社 角形钢管及其制造方法以及建筑结构物
WO2025004445A1 (ja) * 2023-06-29 2025-01-02 Jfeスチール株式会社 角形鋼管およびその製造方法ならびに建築構造物

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018150955A1 (ja) * 2017-02-17 2018-08-23 Jfeスチール株式会社 高強度熱延鋼板およびその製造方法
WO2020026594A1 (ja) * 2018-07-31 2020-02-06 Jfeスチール株式会社 高強度熱延めっき鋼板
WO2022045352A1 (ja) * 2020-08-31 2022-03-03 日本製鉄株式会社 鋼板およびその製造方法
WO2022045353A1 (ja) * 2020-08-31 2022-03-03 日本製鉄株式会社 鋼板およびその製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639259Y2 (https=) 1978-07-17 1988-03-18
JPS5589885U (https=) 1978-12-14 1980-06-21
JPH0644314Y2 (ja) 1986-11-26 1994-11-14 横河電機株式会社 正弦波コンバ−タ
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
CA2869700C (en) * 2012-04-12 2017-12-19 Jfe Steel Corporation Hot rolled steel sheet for square column for building structural members and method for manufacturing the same
WO2020170775A1 (ja) * 2019-02-20 2020-08-27 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
WO2021200402A1 (ja) * 2020-04-02 2021-10-07 Jfeスチール株式会社 電縫鋼管およびその製造方法
JP7070814B1 (ja) * 2020-09-14 2022-05-18 Jfeスチール株式会社 厚鋼板およびその製造方法
JP7322932B2 (ja) * 2020-09-14 2023-08-08 Jfeスチール株式会社 厚鋼板およびその製造方法ならびに構造物
CA3190830C (en) * 2020-10-05 2025-06-10 Jfe Steel Corporation STEEL PIPE WELDED BY ELECTRICAL RESISTANCE AND MANUFACTURING METHOD

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018150955A1 (ja) * 2017-02-17 2018-08-23 Jfeスチール株式会社 高強度熱延鋼板およびその製造方法
WO2020026594A1 (ja) * 2018-07-31 2020-02-06 Jfeスチール株式会社 高強度熱延めっき鋼板
WO2022045352A1 (ja) * 2020-08-31 2022-03-03 日本製鉄株式会社 鋼板およびその製造方法
WO2022045353A1 (ja) * 2020-08-31 2022-03-03 日本製鉄株式会社 鋼板およびその製造方法

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JPWO2023233980A1 (https=) 2023-12-07
TW202407114A (zh) 2024-02-16
CN119173647A (zh) 2024-12-20
WO2023233980A1 (ja) 2023-12-07
TWI869860B (zh) 2025-01-11
KR20250004851A (ko) 2025-01-08

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