Copper Machining
Pure copper and copper alloys including brass and bronze for electrical and thermal applications.
Material Properties
8.96
g/cm³
1085
°C
200-400
MPa
401
W/m·K
5.96 × 10⁷
S/m
Good
Machining Recommendations
Recommended Methods
CNC milling, turning, drilling, threading
Tool Materials
Carbide tools recommended
Cutting Speeds
100-300 m/min
Feeds
0.1-0.3 mm/rev
Coolant
Sulfurized cutting oil or water-soluble coolants
Machinability
Good - produces excellent surface finish
Surface Finish
Ra 0.2-0.8 μm easily achievable
Application Case Studies
Electrical Connectors and Contacts
Industry: Electronics
Challenge
Copper and copper alloy connectors for high-current applications requiring excellent electrical conductivity
Solution
Optimized design for current distribution and thermal management
Result
Achieved 99.9% electrical conductivity and supplied 100,000+ connectors annually
Heat Exchangers
Industry: HVAC
Challenge
Copper tubing and components for thermal management requiring high thermal conductivity
Solution
Optimized tube geometry for maximum heat transfer efficiency
Result
Improved thermal efficiency by 25% compared to standard designs
Electromagnetic Shielding
Industry: Electronics
Challenge
Copper components for EMI/RFI shielding requiring high electrical conductivity
Solution
Implemented precision machining for optimal shielding effectiveness
Result
Achieved 99.5% shielding effectiveness across frequency range
Decorative Hardware
Industry: Architecture
Challenge
Copper components for architectural and decorative applications
Solution
Implemented polishing and patina development processes
Result
Created distinctive aesthetic appeal with natural patina development
Marine Hardware
Industry: Marine
Challenge
Copper and copper alloy components for marine applications requiring corrosion resistance
Solution
Selected appropriate copper alloys for marine environment
Result
Extended component lifespan by 10+ years in saltwater environments
Technical Specifications
Available Forms
- Sheets
- Rods
- Tubes
- Bars
- Forgings
1mm to 200mm diameter/width
Tolerances±0.01mm to ±0.05mm
Lead Times1-3 weeks for standard orders
Quality StandardsFrequently Asked Questions
What copper alloys do you machine?
We machine pure copper, brass (Cu-Zn), bronze (Cu-Sn), and beryllium copper alloys for various applications.
Can copper parts be plated?
Yes, we can plate copper parts with nickel, gold, or other metals for enhanced appearance and corrosion resistance.
What's your capability for electrical connectors?
We specialize in precision copper connectors with tight tolerances and excellent electrical properties suitable for high-current applications.
How do you handle the softness of copper?
We use specialized tooling and techniques to machine copper efficiently while maintaining tight tolerances and excellent surface finishes.
Can you machine beryllium copper?
Yes, we have experience machining beryllium copper with appropriate safety protocols and specialized equipment.
What surface finishes are available for copper?
We offer polishing, plating, patina development, and other finishing options to meet your aesthetic and functional requirements.
Can copper parts be brazed or welded?
Yes, copper parts can be brazed or welded. We can provide parts with appropriate surface preparation for these processes.
What's your lead time for copper parts?
Typically 1-3 weeks for standard orders, depending on complexity and volume.
Related Services
CNC Milling
Learn more about our cnc milling capabilities
CNC Turning
Learn more about our cnc turning capabilities
CNC Drilling
Learn more about our cnc drilling capabilities
Advanced Machining
Learn more about our advanced machining capabilities
Ready to Get Started?
Contact our engineering team to discuss your metals machining requirements.