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  • Carbon steel wire is basically do not participate in alloying elements of high carbon steel wire, but also in the low cost of steel wire, hot and cold processing is outstanding, the use of a wide range of steel. Spring steel wire contains high carbon steel wire, high carbon steel wire is the spring steel wire in between.
  • D, coating adhesion; The zinc layer of the plating parts should be firmly combined with the base metal with sufficient adhesion strength, and will not fall off or bulge after the hammer test.

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