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. |