custom perforated aluminum sheet

custom perforated aluminum sheet

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custom perforated aluminum sheet custom perforated aluminum sheet

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  • If the zinc coating is good, but in 3% nitric acid when the light, the coating has dark shadow, passivation occurs when the film is brown, may be caused by foreign metal impurities such as copper or lead in the galvanizing liquid. When problems occur in the process of galvanizing large coil galvanized wire, the temperature and current density are checked first, and then the content of zinc and sodium hydroxide in the plating solution is measured and adjusted through the analysis of the plating solution. Whether DPE content is low can be determined by hull cell test.

    custom perforated aluminum sheet

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    custom perforated aluminum sheet custom perforated aluminum sheet

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  • 1, stress relief before plating where the maximum tensile strength is greater than 1034Mpa key and important parts before plating should be at 200±10℃ stress relief for more than 1 hours, carburizing or surface quenching parts should be at 140±10℃ stress relief for more than 5 hours.

    custom perforated aluminum sheet

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    custom perforated aluminum sheet custom perforated aluminum sheet

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  • 3.Packaging: moisture-proof paper, woven bag, other packaging can be packed according to customer requirements

    custom perforated aluminum sheet

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    custom perforated aluminum sheet custom perforated aluminum sheet

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  • custom perforated aluminum sheet

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    custom perforated aluminum sheet custom perforated aluminum sheet

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  • In the process of production, the acid activation solution can remove the corrosion products and oxide film on the surface of low carbon steel wire without excessive corrosion on the matrix. Galvanized wire can be used zincate galvanized or chloride galvanized process, appropriate additives should be used to obtain the coating required by the standards of low carbon steel wire. When galvanized wire out of the light plating should be carried out light treatment. The bath temperature of galvanized wire should be controlled well.

    custom perforated aluminum sheet

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    custom perforated aluminum sheet custom perforated aluminum sheet

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  • With a large pickpocket used for steel wire, into the zinc liquid before the surface of the zinc ash stirring; Use a small outlet for galvanized steel wire; Zinc pot steel wire outlet in 30 minutes, with pickpockets back and forth, until the large, floating zinc residue into brown, real zinc ash, zinc ash surface. The extracted zinc ash should be brown yellow real zinc ash, zinc surface, effectively reduce zinc consumption.

    custom perforated aluminum sheet

    ...

    custom perforated aluminum sheet custom perforated aluminum sheet

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