25 square copper stranded wire supplier

Square copper stranded wire supplier
Copper brush wire is mainly used in the manufacture of carbon brushes, capacitors and other electrical equipment, with a cross-sectional area ranging from .33. Copper brush wire standard: one twist
, the twisting direction of the outermost layer is right, and the twisting direction of adjacent layers is opposite. Unless otherwise agreed between the supplier and the buyer, the twisting direction of the stranded wire is specified by the manufacturer. . The pitch ratio of the inner layer of strands should not be greater than that of the outer layer of strands. , broken strands, or damaged strands, the whole strand is not allowed to be welded.
The missing threads in individual strands should not exceed 3% of the total number of single threads in the strands.
3 The surface should be smooth and free of defects, and the surface oxidation discoloration (golden yellow, light red) caused by softening should be considered as qualified products.
The elongation of the copper brush wire should be no less than 15%.
The manufacturing length of the copper brush wire should be no less than 1 meter, and it is allowed to be delivered in wire segments no less than 1 meter, but the quantity shall not exceed 20% of the total delivery quantity of the batch.
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