Stainless steel passivation engineering, technology

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Stainless steel passivation engineering, technology

Stainless steel passivation treatment is a kind of metal surface treatment method widely used in various industries, mainly used for passivation treatment of stainless steel workpieces.

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Stainless steel passivation engineering, technology

[ Data:2023-12-13 View:2Times ]

First, the detailed introduction of stainless steel passivation treatment:

Stainless steel passivation treatment is a kind of metal surface treatment method widely used in various industries, mainly used for passivation treatment of stainless steel workpieces. This method is mainly suitable for small and medium-sized stainless steel workpieces, because these workpieces are convenient for soaking treatment. After passivation treatment, the corrosion resistance of the workpiece will be significantly improved, and it has a good anti-rust effect. In addition, this method is also suitable for large batch, high output of the workpiece processing, can effectively save costs.

Second, stainless steel passivation process:

Degreasing: If you are sure that there is no oil on the surface of the workpiece, you can omit this step.

Flowing water rinse: clean the workpiece.

Activation treatment: The soaking time is 2-5 minutes, if you are sure that the surface of the workpiece is free of any rust, welding spots and other impurities (such as freshly polished workpiece), you can omit this step.

Flowing water rinse: clean the workpiece again.

Passivation treatment: This is a necessary process, soaking time is 30 minutes, the longer the time, the more complete the passivation film.

Flowing water rinse: Finally clean the workpiece again.

Drying and packaging: drying and packaging the processed workpiece.

Third, stainless steel passivation precautions:

The workpiece should be cleaned before entering the stainless steel passivation solution, such as the workpiece has rust or wax before passivation must first rust or wax.

Before any process, the workpiece must be washed clean, and the surface must not have the liquid residue of the previous process.

Do not splash the passivation liquid on the eyes or face, if it is accidentally touched, immediately rinse with water (no irritation to the skin, but it will stain).

The tanks used for passivation can be plastic or stainless steel tanks, but cement tanks cannot be used because cement will neutralize the passivation solution.

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