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Surface Finishing

Passivation

Passivation is widely used in the manufacturing process of stainless steel and other metal products to remove impurities and oxides from the metal surface, enhancing corrosion resistance and extending the service life.

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Introduction to Passivation

Passivation
Passivation
Description

Improves corrosion resistance for 200 and 300 series and precipitation hardened corrosion-resistant steels. Thickness is negligible, about 0.0000001”. Conforms to ASTM A967, AMS-QQ-P-35, MIL-STD-171, ASTM A380, or AMS 2700.

Technical Properties

Applicable Sharp edges and burrs Premium appearance availability Tolerances
Metals Removed Yes Met after surface finish

Applicable Materials

Example of a Passivation Part

Passivation
Passivation