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Why is there color difference after sandblasting or welding of Low price Stainless Steel wire mesh

Why is there color difference after sandblasting or welding of Low price Stainless Steel wire mesh

(Summary description)Low price Stainless Steel wire mesh is used for screening and filtration in acid and alkali environment, as mud mesh in petroleum industry, chemical and chemical fiber industry, as sieve mesh and electroplating.

Why is there color difference after sandblasting or welding of Low price Stainless Steel wire mesh

(Summary description)Low price Stainless Steel wire mesh is used for screening and filtration in acid and alkali environment, as mud mesh in petroleum industry, chemical and chemical fiber industry, as sieve mesh and electroplating.

Information

Low price Stainless Steel wire mesh is used for screening and filtration in acid and alkali environment, as mud mesh in petroleum industry, chemical and chemical fiber industry, as sieve mesh and electroplating. Low price Stainless Steel wire mesh partially melts or melts another part of the product so that two or more unrelated parts are bonded together, so that the color is discolored due to high temperature. Considering the aesthetic problem, it is recommended to carry out a whole acid after the completion. After washing and polishing, why does the Low price Stainless Steel wire mesh have color difference after sandblasting or welding?


A passivation film is formed on the surface of the Low price Stainless Steel wire mesh, which exists in the form of a more stable oxide in nature. It can be said that although the degree of oxidation of stainless steel mesh is different according to the conditions of use, it will be oxidized. This phenomenon is called corrosion. It can be washed with soap, mild detergent or warm water if it has dust on its surface and easy-to-remove dirt.
If there is bleach and various acids on the surface, it should be rinsed with water immediately, then soaked with neutral carbonated soda solution or ammonia solution, and washed with warm water or neutral detergent. During the weaving process of stainless steel mesh, due to the need to go through multiple links such as wire drawing, diameter adjustment, weaving mesh, and flat mesh, it is inevitable that some oil or dirt will adhere to the surface of the stainless steel mesh during the process.
This requires surface cleaning and descaling of the wire mesh to ensure appearance and quality. The grease, oil and lubricating oil pollution on the surface of Low price Stainless Steel wire mesh should be wiped clean with a soft cloth, and then cleaned with ammonia solution or special detergent or neutral detergent.

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