JPS57140833A - Production of high strength steel bar and wire - Google Patents

Production of high strength steel bar and wire

Info

Publication number
JPS57140833A
JPS57140833A JP2516381A JP2516381A JPS57140833A JP S57140833 A JPS57140833 A JP S57140833A JP 2516381 A JP2516381 A JP 2516381A JP 2516381 A JP2516381 A JP 2516381A JP S57140833 A JPS57140833 A JP S57140833A
Authority
JP
Japan
Prior art keywords
high strength
wire
production
steel bar
strength steel
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
JP2516381A
Other languages
Japanese (ja)
Inventor
Toshihiko Takahashi
Itsuyuki Asano
Toshimichi Mori
Masaaki Murakami
Hiroshi Sato
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
Priority to JP2516381A priority Critical patent/JPS57140833A/en
Publication of JPS57140833A publication Critical patent/JPS57140833A/en
Pending 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

Abstract

PURPOSE:To produce steel bars and wires of high strength by patenting steel contg. Al, Ti, V, Nb, Cr in specific amts. of C, silicon and Mn to pearlite structure and subjecting the same to drawing of specific reduction of area then to a bluing treatment at specific temps. CONSTITUTION:Steel contg., by wt%, 1 or >=2 kinds of 0.01-0.1 Al, 0.005- 0.05 Ti, 0.01-0.1 V, 0.005-0.1 Nb, and 0.2-1 Cr in 0.7-0.9 C, 0.5-2 silicon and 0.4-1.5 Mn is patented to pearlite structure. Next, it is subjected to drawing of 5-35% reduction of area and further to a gluing treatment at 250-600 deg.C. It is further preferable to apply 1-4% tensile strain at the time of performing the bluing treatment.
JP2516381A 1981-02-23 1981-02-23 Production of high strength steel bar and wire Pending JPS57140833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2516381A JPS57140833A (en) 1981-02-23 1981-02-23 Production of high strength steel bar and wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2516381A JPS57140833A (en) 1981-02-23 1981-02-23 Production of high strength steel bar and wire

Publications (1)

Publication Number Publication Date
JPS57140833A true JPS57140833A (en) 1982-08-31

Family

ID=12158337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2516381A Pending JPS57140833A (en) 1981-02-23 1981-02-23 Production of high strength steel bar and wire

Country Status (1)

Country Link
JP (1) JPS57140833A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889567A (en) * 1985-05-14 1989-12-26 Kabushiki Kaisha Kobe Seiko High strength and high toughness steel bar, rod and wire and the process of producing the same
WO1999024630A1 (en) * 1997-11-06 1999-05-20 Sumitomo Electric Industries, Ltd. High fatigue-strength steel wire and spring, and processes for producing these
EP1063313A1 (en) * 1997-08-28 2000-12-27 Sumitomo Electric Industries, Ltd. Steel wire and method of manufacturing the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889567A (en) * 1985-05-14 1989-12-26 Kabushiki Kaisha Kobe Seiko High strength and high toughness steel bar, rod and wire and the process of producing the same
EP1063313A1 (en) * 1997-08-28 2000-12-27 Sumitomo Electric Industries, Ltd. Steel wire and method of manufacturing the same
EP1063313A4 (en) * 1997-08-28 2004-04-07 Sumitomo Electric Industries Steel wire and method of manufacturing the same
US7255758B2 (en) 1997-08-28 2007-08-14 Sumitomo Electric Industries, Ltd. Steel wire and method of manufacturing the same
WO1999024630A1 (en) * 1997-11-06 1999-05-20 Sumitomo Electric Industries, Ltd. High fatigue-strength steel wire and spring, and processes for producing these
US6627005B1 (en) 1997-11-06 2003-09-30 Sumitomo Electric Industries, Ltd. High fatigue-strength steel wire and spring, and processes for producing these

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