A stamped part isn't finished until it's... finished. The surface treatment you choose defines your product's look, feel, and lifespan.
But with dozens of options—Anodizing, Zinc Plating, Nickel, Chrome, Powder Coating, E-Coating—how do you choose?
1. Anodizing (Aluminum Only)
An electrochemical process that converts the metal surface into a durable, corrosion-resistant, anodic oxide finish.
- Best For: Consumer electronics (Apple style), cosmetic parts, heat sinks.
- Pros: Premium metallic look, scratch resistant, no peeling (it's part of the metal).
- Cons: Only works on Aluminum. Non-conductive (unless masked).
2. Plating (Steel & Copper)
Depositing a thin layer of another metal onto the substrate.
Zinc Plating
The standard for steel brackets. Cheap, sacrificial protection (rusts before the steel does). Often yellow or clear chromate.
Nickel/Chrome
High-end, shiny, hard. Used for decorative trim or wear resistance.
3. Powder Coating
A dry powder is applied electrostatically and then cured under heat to form a "skin."
- Best For: Outdoor enclosures, appliances, heavy machinery.
- Pros: Thick, durable armor. Infinite color choices. Hides surface imperfections.
- Cons: Adds significant thickness (60-100 microns), affecting tolerances.
Quick Comparison
| Process | Cost | Durability | Conductive? |
|---|---|---|---|
| Zinc Plating | $ (Lowest) | Medium | Yes |
| Anodizing (Type II) | $$ | High | No |
| Powder Coating | $$ | Very High | No |
| Electropolishing | $$$ | High (Sanitary) | Yes |
Need Samples?
We can send you a sample kit with our standard finishes so you can see and feel the quality before you order.
Request Finish Sample Kit