perforated steel angle iron

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perforated steel angle iron

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perforated steel angle iron perforated steel angle iron

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  • perforated steel angle iron

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    perforated steel angle iron perforated steel angle iron

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  • In this temperature range, the zinc solution is severely corroded to the workpiece and the zinc pot, and the iron is lost at 560 degrees Celsius to add obviously, and the zinc will be the iron substrate above 660 degrees Celsius, zinc slag will be added quickly, plating cannot be used. Therefore, electroplating is carried out in the range of 430~450 degrees Celsius.

    perforated steel angle iron

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    perforated steel angle iron perforated steel angle iron

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  • In moist air, a dense basic zinc carbonate film forms on the surface of zinc. Zinc coating belongs to the anodic coating, it is mainly used to prevent the corrosion of steel, its protective performance and the thickness of the coating is very important. The protective and decorative properties of zinc coating can be improved significantly after passivation treatment, dyeing or coating with light protection agent.

    perforated steel angle iron

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    perforated steel angle iron perforated steel angle iron

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