Steel Tube Factory introduces surface treatment methods for straight seam steel tubes

1. The cleaning of straight seam steel pipes typically involves the use of solvents and emulsions to remove oils, greases, dust, lubricants, and other organic contaminants from the surface. However, this method is not effective in removing rust, oxide scales, or welding flux. It is primarily used as a supplementary step in the production process rather than a primary cleaning method. 2. For rust removal on straight seam steel pipes, tools such as wire brushes are commonly used. These tools can effectively remove loose scale, rust, and welding slag from the steel surface. Manual tools can achieve a surface preparation level of Sa2, while power tools can reach up to Sa3. However, if the steel surface has a thick layer of iron oxide scale, the effectiveness of mechanical rust removal may be limited, and it might not provide sufficient anchor depth for proper corrosion protection coatings. 3. Pickling of straight seam steel pipes is generally performed through chemical or electrolytic processes. Chemical pickling is the most common method and can effectively remove scale, rust, and old paint layers. It can also serve as an alternative to sandblasting in some cases. Although chemical cleaning can improve surface cleanliness and roughness, the resulting anchor pattern is usually shallow, and there is a risk of environmental pollution due to the chemicals involved. Therefore, it is often combined with other methods to ensure optimal surface preparation for long-term corrosion resistance.

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Jiangsu Zhenrui Furniture Material Co., Ltd. , https://www.zrfloors.com