GB2297763B - Prestressed concrete steel wire or rod. - Google Patents

Prestressed concrete steel wire or rod.

Info

Publication number
GB2297763B
GB2297763B GB9502580A GB9502580A GB2297763B GB 2297763 B GB2297763 B GB 2297763B GB 9502580 A GB9502580 A GB 9502580A GB 9502580 A GB9502580 A GB 9502580A GB 2297763 B GB2297763 B GB 2297763B
Authority
GB
United Kingdom
Prior art keywords
rod
steel wire
prestressed concrete
concrete steel
prestressed
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.)
Expired - Fee Related
Application number
GB9502580A
Other versions
GB2297763A (en
GB9502580D0 (en
Inventor
Keiji Ando
Takuya Yamamoto
Shinich Yoshida
Susumu Yamamoto
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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
Priority to JP5218976A priority Critical patent/JPH0754102A/en
Priority to CN94106208A priority patent/CN1042148C/en
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to GB9502580A priority patent/GB2297763B/en
Publication of GB9502580D0 publication Critical patent/GB9502580D0/en
Publication of GB2297763A publication Critical patent/GB2297763A/en
Priority to HK97102479A priority patent/HK1000911A1/en
Application granted granted Critical
Publication of GB2297763B publication Critical patent/GB2297763B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
GB9502580A 1993-08-10 1995-02-10 Prestressed concrete steel wire or rod. Expired - Fee Related GB2297763B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5218976A JPH0754102A (en) 1993-08-10 1993-08-10 Pc steel wire or steel bar excellent in straightness and heading property
CN94106208A CN1042148C (en) 1993-08-10 1994-06-02 PC steel wire or steel bar with good straightness and forging characters
GB9502580A GB2297763B (en) 1993-08-10 1995-02-10 Prestressed concrete steel wire or rod.
HK97102479A HK1000911A1 (en) 1993-08-10 1997-12-17 Prestressed concrete steel wire or rod

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5218976A JPH0754102A (en) 1993-08-10 1993-08-10 Pc steel wire or steel bar excellent in straightness and heading property
GB9502580A GB2297763B (en) 1993-08-10 1995-02-10 Prestressed concrete steel wire or rod.

Publications (3)

Publication Number Publication Date
GB9502580D0 GB9502580D0 (en) 1995-03-29
GB2297763A GB2297763A (en) 1996-08-14
GB2297763B true GB2297763B (en) 1998-09-16

Family

ID=26306467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9502580A Expired - Fee Related GB2297763B (en) 1993-08-10 1995-02-10 Prestressed concrete steel wire or rod.

Country Status (4)

Country Link
JP (1) JPH0754102A (en)
CN (1) CN1042148C (en)
GB (1) GB2297763B (en)
HK (1) HK1000911A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327008C (en) * 2005-07-07 2007-07-18 东北大学 Post rolling fast cooling-production technology of high strength ribbed reinforced bar
CN100532589C (en) * 2006-10-16 2009-08-26 李向辉 On-line bright quenching and tempering method and production line of steel wire
CN110205474B (en) * 2019-07-02 2021-09-14 常熟市龙腾滚动体制造有限公司 Heat treatment method of steel bar for prestressed concrete

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517145B2 (en) * 1971-08-18 1976-03-05
JPS58338A (en) * 1981-06-26 1983-01-05 High Frequency Heattreat Co Ltd Manufacturing device for steel rod or steel wire for prestressed concrete with superior delay breaking and superior mechanical characteristics
JPS6465232A (en) * 1987-09-04 1989-03-10 Sumitomo Electric Industries Production of steel products for presstressed concrete
JP2764181B2 (en) * 1989-03-15 1998-06-11 日本鋼管株式会社 Salt-resistant PC steel bar with excellent delayed fracture characteristics

Also Published As

Publication number Publication date
HK1000911A1 (en) 2000-04-14
CN1042148C (en) 1999-02-17
CN1105070A (en) 1995-07-12
JPH0754102A (en) 1995-02-28
GB2297763A (en) 1996-08-14
GB9502580D0 (en) 1995-03-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020210