BAS EN 4473:2022

This European Standard defines the qualification test conditions for aluminium pigmented coatings applicable to fasteners in titanium, titanium alloys, nickel base alloys and corrosion resisting steels. The aluminium pigmented coatings are not applicable to fasteners in non-corrosion resistant steels. Temperature class: 315 °C Type I : Coating with chromate and a cetyl alcohol lubricant. Type II : Coating without chromate and an cetyl alcohol lubricant. Type III : Coating with chromate, no additional lubricant. Type IV : Coating without chromate, no additional lubricant.