How to Detect The Material of Stainless Steel Wire Mesh?

Jun. 17, 2021

As a Stainless Steel Wire Mesh Supplier, let me share with you. The necessity of pickling and passivation of stainless steel: Austenitic stainless steel has excellent corrosion resistance, high temperature oxidation resistance, better low temperature performance and mechanical and energy generation. Therefore, it is widely used in chemical, petroleum, power, nuclear engineering, aerospace, marine, pharmaceutical, light industry, textile and other parts. Its main purpose is to prevent corrosion and rust. The corrosion resistance of stainless steel wire mesh depends on the external passive film. If the film is incomplete or defective, the stainless steel will still be corroded. Generally, pickling and passivation treatment is carried out in engineering, so that the corrosion resistance of stainless steel can be brought into full play.

Nickel Mesh

Nickel Mesh

In the process of forming, assembling, welding, welding seam inspection (such as flaw detection, pressure test) and construction symbols of stainless steel equipment and components, the appearance of oil, rust, non-metallic dirt, low-melting metal contaminants, paint, and welding slag and splashes, etc., these substances affect the appearance quality of stainless steel equipment and parts, and damage the oxide film on the outside.

The overall corrosion resistance and partial corrosion resistance (including pitting corrosion and crevice corrosion) of steel are reduced, and it may even lead to stress corrosion cracking. The surface cleaning, pickling and passivation of stainless steel can not only greatly improve the corrosion resistance, but also prevent product pollution and achieve beautifully effects.

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