COVERED ELECTRICAL WIRE, TERMINAL-EQUIPPED ELECTRICAL WIRE, COPPER ALLOY WIRE, COPPER ALLOY STRANDED WIRE, AND METHOD FOR MANUFACTURING COPPER ALLOY WIRE

• Main Authors: SAKAMOTO, Kei, KOBAYASHI, Hiroyuki, NANJO, Kazuhiro, INOUE, Akiko, NISHIKAWA, Taichiro, NAKAI, Yoshihiro, OTSUKA, Yasuyuki, IMASATO, Fumitoshi, NAKAMOTO, Minoru, KUWABARA, Tetsuya, OSHIMA, Yusuke
• Format: Patent
• Language: English
• Published: 17.06.2021
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CABLES; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; CONDUCTORS; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; INSULATORS; METALLURGY; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; TREATMENT OF ALLOYS OR NON-FERROUS METALS

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 Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, and further including one or more elements selected from Zr, Ti and B in an amount of 1000 ppm by mass or less in total, with a balance being Cu and impurities.