Anodize. Plating.
Powder. Polish.
Finish per metal.
Comprehensive metal finishing reference. Anodize Type II/III for aluminum. Plating for steel. Powder coat for outdoor. Each metal accepts different finishes.
Key principles.
Type II/III
Type II decorative, Type III hardcoat. Aluminum-specific.
Zn, Ni, Cr
Zinc plating cheap corrosion. Nickel decorative. Chrome wear.
Mechanical, electro
Mechanical brush/polish. Electropolishing for sanitary.
Mirror or natural
Mirror polish, lacquer to preserve. Or accept patina.
All metals
Outdoor industry standard. Wide color range. Pretreatment per metal.
Steel surface
Surface hardened via nitrogen diffusion. Steel only.
FAQ
Pretreatment per metal?
Aluminum: alodine. Steel: phosphate. Stainless: passivation. Each per coating type.
Cost ranking finishes?
Powder coat cheap. Anodize Type II middle. Plating premium. PVD top tier.
Multi-step finishes?
Bead blast + anodize + dye standard for premium. Adds steps proportionally to cost.
Repair-ability?
Powder coat hard to spot-repair. Anodize re-anodize-able. Each per finish type.
Documentation?
Customer specs honored. Material certs + processing records + visual inspection.
Lead time?
Standard finishes 3-5 days post-machining. Custom Pantone 1-2 weeks for color development.
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