Introduction of 5 kinds of coloring methods for anticorrosive steel pipe
Release time:
2023-12-12
Anti-corrosion steel pipe surface mirror bright treatment method: according to the complexity of anti-corrosion steel pipe products and user requirements can be used respectively mechanical polishing, chemical polishing, electrochemical polishing and other methods to achieve mirror luster. Anticorrosive steel pipe coloring methods are as follows:
Anti-corrosion steel pipe surface mirror bright treatment method: according to the complexity of anti-corrosion steel pipe products and user requirements can be used respectively mechanical polishing, chemical polishing, electrochemical polishing and other methods to achieve mirror luster. Anticorrosive steel pipe coloring methods are as follows:
1: chemical oxidation coloring method; That is, in a specific solution, the color of the film is formed by chemical oxidation, including dichromate method, mixed sodium salt method, vulcanization method, acid oxidation method and alkaline oxidation method. The general "INCO method" is used more, but in order to ensure that a batch of products are consistent in color, reference electrodes must be used to control them.
2: electrochemical oxidation coloring method; It is the color of the film formed by electrochemical oxidation in a specific solution.
3: ion deposition oxide coloring method; The stainless steel workpiece is placed in a vacuum coating machine for vacuum evaporation plating. For example: titanium plated watch case, watch strap, generally gold. This method is suitable for processing large quantities of products. Because of the large investment and high cost, small batch products are not cost-effective.
4: high temperature oxidation coloring method; Is in a specific molten salt, immersed in the workpiece to maintain a certain process parameters, so that the workpiece to form a certain thickness of oxide film, and show a variety of different colors.
5: gas phase cracking coloring method. It is more complex and less used in industry.
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