Copper & Brass Overview
Copper and its alloys offer excellent electrical and thermal conductivity, natural corrosion resistance and an attractive appearance. Brass and bronze add strength and machinability, making them popular for both functional and decorative parts.
Properties & Benefits
- High Conductivity — copper is the standard for electrical contacts.
- Corrosion Resistant — performs well in moist environments.
- Excellent Machinability — brass is one of the easiest metals to machine.
- Antimicrobial — naturally inhibits bacterial growth.
Common Alloys
| Alloy | Characteristics | Typical Use |
|---|---|---|
| C110 Copper | Highest electrical conductivity | Contacts, heat sinks, busbars |
| C360 Brass | Excellent machinability | Fittings, valves, gears |
| C932 Bronze | Good wear resistance | Bearings, bushings |
Machining Processes
Copper and brass are machined by CNC milling and turning. Brass holds tolerances of ±0.005–0.02mm and produces an excellent surface finish.
Applications
Copper and brass parts are widely used in electrical connectors, plumbing fittings, precision gears, decorative hardware and marine components.
Frequently Asked Questions
What is the difference between brass and bronze?
Brass is copper-zinc, valued for machinability; bronze is copper-tin, valued for wear resistance and strength.
Is copper easy to machine?
Pure copper is gummy and harder to machine than brass; brass is among the most machinable metals.
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