ASD-STAN PREN 4474
Aerospace series Aluminium pigmented coatings Coating methods
|Publication Date:||1 November 2014|
This standard defines the coating methods and characteristics of aluminium pigmented coatings to EN 4473 which may be applied to fasteners in titanium, titanium alloys, heat resisting nickel base or cobalt base alloys and corrosion resisting steels.
Purpose of process
To reduce galvanic corrosion, friction and risk of seizing.