Corrosion Resistance of Screws and Fasteners

Corrosion Resistance of Screws and Fasteners

Corrosion Resistance of Screws and Fasteners

Material/Finish Corrosion Resistance Applications
Stainless Steel (A2, A4) Excellent Marine, outdoor, food processing.
Galvanized Steel Good to Excellent Outdoor, construction, roofing.
Aluminum Good to Excellent Outdoor, aerospace, automotive.
Brass Good to Excellent Decorative, electrical, plumbing.
Titanium Excellent Aerospace, marine, medical.
Black Oxide Fair to Good Decorative, tools.
Phosphate Coating Fair Automotive, machinery.
Chrome Plating Good Automotive, decorative.
Cadmium Plating Good Aerospace, marine.
Plain Steel Poor to Fair Indoor, dry environments.