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Feb. 21, 2025
Ⅲ Benefits of pickling and phosphating:
In the process of manufacturing steel strands, pickling and phosphating of raw materials (i.e. wire rods) is a very critical step in improving the corrosion resistance of steel strands. Many factories do not have this process, but our factory does.
Next, we will analyze the benefits of pickling and phosphating of steel strands from three aspects, so this article will be divided into three parts, namely the preparation for pickling and phosphating, the reasons for pickling and phosphating, and the benefits of pickling and phosphating.
Ⅲ, Benefits of pickling and phosphating:
Improve corrosion resistance: The phosphating film itself has a certain corrosion resistance, which can form a barrier on the surface of the steel strand to prevent oxygen, moisture and other corrosive substances from directly contacting the steel strand, slowing down the corrosion rate of the metal and extending the service life of the steel strand. For example, in some outdoor bridge construction, steel strands treated with pickling and phosphating can maintain good performance under long-term wind and rain.
Enhance coating adhesion: The surface microstructure of the steel strand after pickling and phosphating becomes rough, increasing the surface area, which provides a better adhesion basis for subsequent coatings (such as galvanizing, painting, etc.). The coating can adhere to the surface of the steel strand more firmly and is not easy to fall off, thereby further improving the protective effect.
Improve appearance quality: After pickling and phosphating, the surface of the steel strand becomes smooth, uniform, and consistent in color, which improves the overall appearance quality of the product and makes it more in line with market demand and use requirements.
Improve processing performance: The phosphate film can reduce the friction between metal surfaces to a certain extent. During the subsequent processing of the steel strand such as drawing and winding, it can reduce the wear of the mold and improve the smoothness and efficiency of processing.
Basic information of left-lay steel strand
Reasons and benefits of pickling and phosphating steel strands .
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