What are the classifications of copper wire?

Have you ever learned about the classification of copper wire? Let me tell you something. The types of copper wire are: 1, hard copper wire: cold processing through the extension line, with high tensile strength, suitable for overhead transmission lines, distribution wires and building lines of the conductor.

2, soft copper wire hard copper wire heating to remove the residual stress produced by cooling processing, rich flexibility and bending, and has high conductivity, used to manufacture communication and power cable conductor, electrical machinery and a variety of household appliances wire.

3, semi-hard copper wire: tensile strength between hard copper wire and soft copper wire, used for overhead wire and radio wiring.

4, tinned copper wire: tin plating on the surface of copper wire to increase weldability and protect the copper conductor from erosion when PVC or rubber insulation is pressed out, and prevent the aging of rubber insulation.

5, flat copper wire: square or rectangular copper wire, for the manufacture of large transformers or large motors and other induction coil materials.

6, oxygen free copper wire: oxygen less than 0.001%, high purity of copper wire, copper content in more than 99.99%, not by oxygen embrittlement, used for vacuum tube wire, semiconductor parts wire and very fine wire.

7, enameled wire: after softening the copper wire, the surface is coated with insulating paint, which is heated and baked dry. It is generally divided into natural resin and synthetic resin enameled wire.

Copper foil: a conductor of flat, extremely thin copper wire wound on a fiber.

9, first stranded after plating: unplated copper wire stranded, and then aluminum plating.

10, copper clad steel: generally used for coaxial line signal transmission (such as television and VCD connection, outdoor TV antenna, CLOSED-circuit television, etc.; The harder line has higher tensile strength, and is used as overhead line for long distances in alpine areas and across rivers. According to its copper thickness, it is generally divided into conductivity 21%, 30%, 40%, etc.

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