perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 18:39 【perforated sheet metal fence】

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  Post time: 15-11-22

  perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 18:14 【perforated sheet metal fence】

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• perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 18:11 【perforated sheet metal fence】

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• The temperature of large roll galvanized wire should be controlled at 30 to 50℃ during electroplating. Because the chloride ions in the bath are very corrosive, quartz glass heaters are generally used. Continuous production does not need heating, but needs cooling. Cooling can be in the groove side row thin wall plastic pipe, through the flow of tap water cooling, can also be used as a titanium pipe temperature control device.
  

  perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 17:53 【perforated sheet metal fence】

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• This oxide film has greater elasticity and lubricity, does not affect the accuracy of parts. Therefore, the parts of precision instruments and optical instruments, spring steel, thin steel sheet, fine steel wire and so on are commonly bluing treatment. The commonly used galvanizing treatment of large roll galvanized wire is equivalent to forming a protective layer on the surface of the iron wire. The commonly used methods are hot dip galvanizing, hot spray plating, vacuum plating and so on. Different methods have corresponding characteristics.

  perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 16:55 【perforated sheet metal fence】

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• The key and important parts with tensile strength greater than 1034Mpa should be relieved of stress at 200±10℃ for more than 1 hour before plating, and the carburized or surface hardened parts should be relieved of stress at 140±10℃ for more than 5 hours. The cleaning agent used for cleaning shall have no effect on the binding force of the coating and no corrosion on the substrate. Acid activation Acid activation solution should be able to remove corrosion products and oxide film (skin) on the surface of parts without excessive corrosion on the matrix.
  

  perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 16:37 【perforated sheet metal fence】

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  perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 16:33 【perforated sheet metal fence】

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• The management system of the rinsing water after the steel wire pickling should be regularly and regularly discharged after the rinsing water, and the rinsing water should be kept clean and low acid value as far as possible. The pH control is more appropriate. The concentration of plating aid should not be too high. Hot plating wire must be added ammonium chloride and zinc chloride according to the data of laboratory analysis, and the specific gravity of the composite solution is controlled in the range of 50~80g/L. The addition of ammonium chloride or zinc chloride raw materials without the results of laboratory analysis shall be subject to criticism and education, and economic treatment if necessary.
  

  perforated sheet metal fence

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  perforated sheet metal fence2025-08-14 16:26 【perforated sheet metal fence】

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