MY119789A - Steel bar for prestressed concrete and method for producing the same. - Google Patents

Steel bar for prestressed concrete and method for producing the same.

Info

Publication number
MY119789A
MY119789A MYPI97003143A MYPI9703143A MY119789A MY 119789 A MY119789 A MY 119789A MY PI97003143 A MYPI97003143 A MY PI97003143A MY PI9703143 A MYPI9703143 A MY PI9703143A MY 119789 A MY119789 A MY 119789A
Authority
MY
Malaysia
Prior art keywords
steel bar
producing
same
prestressed concrete
steel
Prior art date
Application number
MYPI97003143A
Inventor
Tomoyuki Yokota
Tetsuo Shiraga
Shigeru Mizoguchi
Eiji Yamashita
Hajime Nitta
Original Assignee
Nippon Kokan Kk
Neturen Co 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 claimed from JP9147866A external-priority patent/JPH10265904A/en
Priority claimed from JP9147865A external-priority patent/JPH1081936A/en
Application filed by Nippon Kokan Kk, Neturen Co Ltd filed Critical Nippon Kokan Kk
Publication of MY119789A publication Critical patent/MY119789A/en

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
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • 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
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

A METHOD OF MANUFACTURING A PC STEEL BAR HAVING A TENSILE STRENGTH OF 1,080 N/MM2 OR MORE AND EXCELLENT IN HIGHLY UNIFORM ELONGATION AND HIGH-TEMPERATURE CHARACTERISTICS AT A LOW YIELD RATIO, INCLUDES HARDENING STEEL AT 1,160°C TO 1,300°C AND THEN TEMPERING THE STEEL. THE STEEL CONTAINS 0.5 TO 0.7 WTOF C, 0.2 TO 2.0 WT%OF MN, AND SI AND AI WITHIN THE RANGE OF 2.0 WT% < SI + AI < 5.0 WT%
MYPI97003143A 1996-07-15 1997-07-11 Steel bar for prestressed concrete and method for producing the same. MY119789A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18494396 1996-07-15
JP1255897 1997-01-27
JP9147866A JPH10265904A (en) 1997-01-27 1997-06-05 Production of pc steel bar having high uniform elongation, low yield ratio, and excellent high temperature relaxation characteristic
JP9147865A JPH1081936A (en) 1996-07-15 1997-06-05 Pc steel bar excellent in uniform elongation and high temperature relaxation characteristic

Publications (1)

Publication Number Publication Date
MY119789A true MY119789A (en) 2005-07-29

Family

ID=27455832

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI97003143A MY119789A (en) 1996-07-15 1997-07-11 Steel bar for prestressed concrete and method for producing the same.

Country Status (5)

Country Link
KR (1) KR100266934B1 (en)
CN (1) CN1066491C (en)
AU (1) AU709908B2 (en)
ID (1) ID17549A (en)
MY (1) MY119789A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU709908B2 (en) * 1996-07-15 1999-09-09 Nkk Corporation Steel bar for prestressed concrete and method for producing the same
US20060191603A1 (en) 2005-02-25 2006-08-31 Popielas Frank W Lower strength material for MLS active layers
CN104831183B (en) * 2015-05-29 2016-08-24 武钢集团昆明钢铁股份有限公司 A kind of 1080MPa grade high-strength corrosion-resistant prestressed structure spiral and preparation method
JP2017179399A (en) * 2016-03-28 2017-10-05 高周波熱錬株式会社 Steel material for building
CN109182904A (en) * 2018-09-26 2019-01-11 山东钢铁股份有限公司 A kind of armored concrete fire resisting reinforcing bar and preparation method thereof
CN111187994A (en) * 2020-02-17 2020-05-22 本钢板材股份有限公司 Steel C60 hot-rolled coil for high-C cutter and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU709908B2 (en) * 1996-07-15 1999-09-09 Nkk Corporation Steel bar for prestressed concrete and method for producing the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120738A (en) * 1982-01-12 1983-07-18 Hokkai Koki Kk Manufacture of pc steel wire and steel rod
JP3468828B2 (en) * 1994-04-08 2003-11-17 新日本製鐵株式会社 Manufacturing method of high strength PC steel rod

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU709908B2 (en) * 1996-07-15 1999-09-09 Nkk Corporation Steel bar for prestressed concrete and method for producing the same

Also Published As

Publication number Publication date
KR980009479A (en) 1998-04-30
CN1066491C (en) 2001-05-30
AU709908B2 (en) 1999-09-09
ID17549A (en) 1998-01-08
CN1177648A (en) 1998-04-01
KR100266934B1 (en) 2000-09-15
AU2853797A (en) 1998-02-05

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