Finish Name
Passivation, nitric and citric
Stainless steel passivation
Specialty Passivation finishing on Stainless Steel
Citric RoHS passivation
Specification
AMS-QQ-P-35
AMS-2700
QQ-P-35
ASTM-A380
ASTM-A967
Benefit
Passivation is a process to provide a protective coating on metal to make it less reactive to its environment, preventing corrosion. For stainless steel, the problem is free iron on the metal surface. Passivation creates a protective oxide layer to shield the metal surface.
Suitable for
Fasteners
High-end fasteners
High-end gears
Specialty fasteners
Industry use
Aerospace
Medical
Automotive
Military and Defense
Computer
Electronics
Base metal substrate
Stainless steel
Various Stainless Steel Alloys
Effect
Corrosion resistance
Stainless steel passive after cleaning
Special cleaning of stainless surfaces
Accreditations
Nadcap
Features of Passivation
- Removes surface contaminants.
- Promotes the natural corrosion resistance of stainless steels by creating a thin transparent oxide film.