Although the corrosion resistance and rust resistance of
Stainless Steel Screw materials are better, it is not absolute. In order to further improve the performance of
Stainless Steel Screws, such as hardness, it is necessary to further improve the material.
Surface treatment.
Screw Series The following methods can improve the performance of stainless steel screw materials
1. Ion deposition oxidation method or oxidation method is to vacuum evaporate and coat stainless steel screw workpieces on a vacuum coating machine: for example: watch case and strap are titanium-plated. It is usually golden yellow. Should
The method is suitable for the processing of mass products. Due to the large investment and high cost of small batch products, the cost performance is not high.
2. The high-temperature oxidation method is to soak the workpiece in a specific molten salt to maintain a certain process range, so that the workpiece forms an oxide film of a certain thickness, and presents various colors and colors.
color.
3. The chemical method is to form the color of the film through chemical oxidation in a specific solution. Generally, there is a "causal method" that is used more, but in order to ensure the consistency of a batch of products,
Must be controlled via control telegram.
4. The electrochemical method is to form colored and thin films through electrochemical oxidation in a specific solution, which is used commercially.
5. The gas phase cracking method is more complicated and less used in industry.
The main purpose of the surface treatment of stainless steel screws is to make the fastener itself obtain anti-corrosion ability, so as to increase the reliability and adaptability of the fastener, so the surface treatment of the fastener
Quality, more importantly, check whether the anti-corrosion ability of fasteners has been effectively improved, and whether the increase meets the expected requirements
