Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Sumitomo Electric Toyama Co., Ltd.

Kazuhiro Nanjo

Yoshihiro Nakai

Tetsuya Kuwabara

Yasuyuki Otsuka

Taichiro Nishikawa

Hiroyuki Kobayashi

Yusuke Oshima

Minoru Nakamoto

Fumitoshi Imasato

Kinji Taguchi

Masatada Numano

Hitoshi Tsuchida

Akiko Inoue

Kei Sakamoto

Yasuyuki Ootsuka

Kazuhiro Goto

Kiyotaka Utsunomiya

Ryo Toyoshima

Hitoshi Kishida

Yasuo Murayoshi

Naoyuki Ookubo

Dai Kamogawa

A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a plurality of copper alloy wires composed of a copper alloy and twisted together, and having a wire diameter of 0.5 mm or less, the copper alloy containing Fe in an amount of 0.1% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, and one or more elements selected from Ni, Al, Cr and Co in an amount of 0.01% by mass or more and 0.7% by mass or less in total, with a balance being Cu and impurities.

Covered electrical wire, terminal-equipped electrical wire, copper alloy wire, copper alloy stranded wire, and method for manufacturing copper alloy wire

A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a plurality of copper alloy wires composed of a copper alloy and twisted together, and has a wire diameter of 0.5 mm or less, the copper alloy containing Ni, or Ni and Fe in an amount of 0.1% by mass or more and 1.6% by mass or less in total, and P in an amount of 0.05% by mass or more and 0.7% by mass or less, with a balance being Cu and impurities, in the copper alloy, a ratio of precipitation of P to solid solution of P being 1.1 or more.

Covered electrical wire, terminal-equipped electrical wire, copper alloy wire, and copper alloy stranded wire

A covered electrical wire comprising a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.1% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities; and having a wire diameter of 0.5 mm or less, the copper alloy wire having a tensile strength of 385 MPa or more and a work-hardening exponent of 0.1 or more.

The present wire electrode for wire electro-discharge machining includes a core and a plurality of coating layers covering the outer peripheral surface of the core. The core and the plurality of coating layers are formed of different materials, and each of coating layers is made of a metal or a metal alloy including the metal selected from the group consisting of Cu, Sn, Ag, Al, Zn, Cs, Se, Te, Mg, Bi, Ti, P, In, Cr, and Fe.

Wire electrode for electro-discharge machining

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Osaka, Japan

Kazuhiro Nanjo