What are the stainless steel surface treatment processes?
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What are the stainless steel surface treatment processes?

Stainless steel has a unique strength, high wear resistance, superior anti-corrosion properties and not easy to rust and other excellent characteristics. Therefore, it is widely used in the chemical industry, food machinery, electromechanical industry, environmental protection industry, household appliances industry and home decoration, finishing industry, giving people a gorgeous and noble feeling.

Stainless steel application development prospects will become more and more extensive, but the development of stainless steel applications largely determine its degree of development of surface treatment technology.

1PVD process PVD(Physical Vapor Deposition)—-Physical Vapor Deposition:It refers to the process of using physical processes to achieve material transfer, transferring atoms or molecules from a source to the surface of a substrate. It can make certain particles with special properties (high strength, wear resistance, heat dissipation, corrosion resistance, etc.) to be sprayed on the parent material with lower performance, which makes the parent material have better performance. PVD basic methods: vacuum evaporation, sputtering, ion plating (hollow cathode ion plating, hot cathode ion plating, arc ion plating, reactive ion plating, RF ion plating, DC discharge ion plating). iPhone X stainless steel plus PVD process smooth mass production, marking the stainless steel plus plastic frame PVD technology solutions have matured, for cell phone manufacturers to add one more choice of surface treatment solutions.
2 sandblasting (shot blasting) processing sandblasting is the use of compressed air as the power to form a high-speed jet beam will spray material (copper ore, quartz sand, diamond sand, iron sand, sea sand) high-speed spray to the surface of the workpiece to be treated, so that the appearance or shape of the workpiece surface changes. Sandblasting has strong applications in both engineering and surface processes, such as: improving the viscosity of bonded parts, decontamination, optimizing surface burrs after machining, and surface matting. Sandblasting process is more uniform and efficient than hand polishing, this method of stainless steel treatment, to create a low-profile, durable product characteristics.
3 chemical treatment chemical treatment is the use of chemical or electrochemical treatment to make the surface of stainless steel to generate a layer of stable compounds method collectively. Like we often say electroplating is the electrochemical treatment. Alone or mixed use of acid solution, anodic dissolution (electrolysis), etc. for rust removal, the use of phosphate treatment, chromate treatment, blackening, anodic oxidation, etc. to generate a protective film on the metal surface, are such methods. This method can achieve a complex pattern effect, to create a vintage or modern design needs.
4 mirror treatment of stainless steel mirror treatment, simply speaking, is the polishing of the stainless steel surface, polishing techniques are divided into physical polishing and chemical polishing. Can also be local polishing on the surface of stainless steel, the polishing level is divided into ordinary polishing, ordinary 6K, fine grinding 8K, super fine grinding 10K effect. Mirror surface gives a high-grade simple, fashionable future feeling.
5 surface coloring stainless steel coloring not only gives stainless steel products a variety of colors, increasing the variety of products, but also to improve product wear resistance and corrosion resistance. There are many methods of surface coloring, systematically divided into: 1, chemical oxidation coloring method; 2, electrochemical oxidation coloring method; 3, ion deposition oxide coloring method; 4, high temperature oxidation coloring method; 5, gas phase cracking coloring method.
6 surface brushing treatment brushing process brushing is a common technique of stainless steel products, according to the decorative needs, made of straight, messy, threaded, corrugated and rotary patterns and several other. Stainless steel surface brushing gives a superb feel, fine luster, wear-resistant surface and individuality of the textured effect. In electronic equipment, kitchen appliances, machinery and equipment are widely used.
7 spraying stainless steel spraying and the above-mentioned coloring have substantial differences, depending on the material, some spray paint may destroy the stainless steel surface oxide layer. But spraying can be used to achieve different colors of stainless steel products with a simple process, you can also use different spray paint to change the feel of stainless steel. Like our daily use of stainless steel mugs will use the spraying process.



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