what is black annealed wire

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  • Post time: 07-11-22

  • Good galvanized wire, plating thickness of 3- 4 mm, zinc adhesion should be less than 460 grams/m, that is, the average thickness of zinc layer is not less than 65 microns. When the thickness of plated parts is greater than 4 mm, the zinc adhesion should not be less than 610 g/m, that is, the average thickness of zinc layer should not be less than 86 microns. Standard galvanized wire coating must be uniform, galvanized layer basically uniform with copper sulfate solution test etching five times no dew iron. For standard galvanized wire coating adhesion requirements, the zinc layer of plated parts should be firmly combined with the basic metal and have enough adhesion strength, after hammer test does not fall off, not convex.

  • As we all know, stainless steel barbed rope is installed in the outdoor, after a long time of exposure to the sun is easy to rust, once rust service life will end. So want to extend the service life of stainless steel barbed rope must prevent rust. In general, in order to prevent rust, we will choose to spray stainless steel barbed rope.

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