C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/20 (2006.01) B21C 1/00 (2006.01) B21C 37/04 (2006.01) C21D 8/06 (2006.01) C22C 38/00 (2006.01)
Patent
CA 2103111
Disclosed are a steel wire rod for manufacturing a fine steel wire excellent in drawability, strength and toughness in which the contents of components such as C, Si, Mn, P, S, Al, Cu are specified, the contents of one or more of elements selected from a group consisting of Cr, W, Ni and Mo are also specified, and in which the balance is essentially Fe and inevitable impurities and for which, the composition of non-metallic inclusions of oxides is also specified; a fine steel wire obtained by drawing of the steel wire rod; and a twisted wire cord made by twisting of the fine steel wires. Further, disclosed is a die schedule for manufacturing the above fine steel wire. Thus, there can be provided a steel wire rod with excellent drawability and which does not break during drawing; a fine steel wire excellent in strength and toughness obtained from the steel wire rod; and a twisted wire cord obtained by twisting together lengths of the fine steel wires.
Ibaraki Nobuhiko
Katsube Kozo
Minamida Takaaki
Mitani Yoshihiro
Mizutani Katsuji
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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