Why does the stainless steel wire mesh appear black? - MAISHI Daily - Stainless Steel Wire Mesh_Stainless Steel Wire Cloth_Stainless Steel Filter Mesh_Ss wire mesh-MAISHI MFG. 

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Why does the stainless steel wire mesh appear black?

Stainless steel wire mesh occasionally blacks out during use. What is the cause? This is related to the composition of the raw materials. Let's analyze the blackening phenomenon of the stainless steel wire mesh.

The main elements of stainless steel are iron, nickel and chromium. These are the alloy products of these three metals. The three metals can be produced in different proportions. The obtained stainless steel products also have different properties and different appearances. When the content of iron is constant, the higher the content of chromium, the brighter the stainless steel wire, and the higher the content of nickel, the darker. If the content of chromium and nickel does not change, the content of the paste will also become darker, which is the judgment of the initial appearance of the product.

If blackening occurs during use, it is caused by oxidation, that is, the iron contained in it is oxidized by heat and becomes black quickly, showing no signs of rust.

In addition, in the production process, the wire drawing machine is not well lubricated, the frictional resistance is too large, and the surface of the stainless steel wire mesh is seriously heated, causing segregation of the metal elements inside the wire, and the alloy is analyzed, and the surface is blackened.

We can see that the reason why the stainless steel screen is black is not single. To solve this problem, we need to solve it in many aspects.

Main products : Stainless Steel Wire Cloth, Stainless Steel Wire Mesh, Stainless Steel Wire Screen, Stainless Steel Filter Mesh, Ss wire mesh, 304 wire mesh, 316 wire mesh , wire cloth and so on.

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