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    How to distinguish high quality galvanized wire
    Publication time:2019-09-22     Reading times:     Typeface:【large centre small

    As is known to all, galvanized steel wire is widely used in many fields. If the quality of galvanized wire can not be distinguished in the selection process, it is easy to buy inferior galvanized wire. Today Xiaobian teaches you how to identify good galvanized wire.

    The plating surface of good galvanized wire products is continuous, practical and smooth. There are no flowing suspension, droplets or slag in the installation of plating parts. There should be no defects such as leakage plating and exposed iron on the surface of plating parts. Note (Allowable Defects): Leakage plating area is the point with diameter less than 0.5 mm; Leakage plating area is the point with diameter less than 0.5-1 mm, not more than 3 points per square centimeter, and the total number of plated parts is not more than 10 points; In non-jointed or non-jointed corner, the height does not exceed 1.5 mm of dripping or slag; Contact scars between plated parts and hangers and operating tools, but no iron is exposed.

    When the thickness of galvanized wire and parts is 3-4 m m, the adhesion force of zinc layer should be less than 460 g/m, that is, the average thickness of zinc layer should not be less than 65 micron; when the thickness of galvanized parts is more than 4 mm, the adhesion force of zinc should not be less than 610 g/m, that is, the average thickness of zinc layer should not be less than 86 micron, the coating of standard galvanized steel wire must be uniform, and the galvanized layer should be basically uniform and immersed in copper sulfate solution for five times without iron exposure. According to the adhesion requirement of standard galvanized wire coating, the galvanized layer of galvanized parts should be firmly combined with alkaline metal and have enough adhesion, and should not fall off or protrude through hammering test.


     
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