Custom Copper Machining
CNC Copper Machining Services
Copper combines high electrical and thermal conductivity with corrosion resistance and useful ductility. Send your drawing for alloy selection, manufacturability review and a clear quotation.
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Material Performance
Key Properties of Copper
Typical ranges cover commercially pure copper and common machinable copper alloys. Grade and temper determine the final values.
| Density | 8.30–8.96 g/cm³ |
|---|---|
| Electrical Conductivity | 15–101% IACS |
| Thermal Conductivity | 105–401 W/m·K |
| Tensile Strength | 200–1,400 MPa |
| Yield Strength | 50–1,200 MPa |
| Elongation | 2–50% |
| Hardness | 35–400 HB |
Copper Grade Selection
Common Copper Alloys for CNC Parts
Select the grade around conductivity, strength, machinability and wear.
C10100 / C10200 Oxygen-Free Copper
Very high conductivity and excellent ductility for demanding electrical parts.
C11000 Electrolytic Tough-Pitch Copper
Widely available copper with high conductivity and good forming performance.
C14500 Tellurium Copper
High conductivity with improved chip control for precision turning and threading.
C17200 Beryllium Copper
Heat-treatable copper alloy with high strength, fatigue resistance and useful conductivity.
C18150 Chromium Zirconium Copper
High conductivity with improved strength and resistance to thermal softening.
Discuss Another Copper Grade →
Machining Capability
Copper CNC Machining Parameters
Key size and precision ranges used during quotation review.
| Maximum Part Size | 3000 × 1600 × 1000 mm |
|---|---|
| Machined Diameter | Ø1–200 mm |
| Maximum Turned Length | 1000 mm |
| Minimum Wall Thickness | 0.5 mm |
| Standard Tolerance | ±0.05 mm |
| Precision Features | Down to ±0.005 mm |
| Surface Roughness | Ra 0.2–3.2 μm |
Final capability is confirmed from grade, temper, geometry, flatness and inspection requirements.
Machining Guidance
Control Burrs, Heat and Distortion
Copper machining quality depends on tooling, workholding and thermal control.
Use Sharp Tooling
Positive cutting geometry reduces smearing, built-up edge and heavy burrs.
Control Cutting Heat
Stable feeds and effective coolant protect dimensions and surface quality.
Support Thin Features
Light, distributed clamping limits marks and deformation.
Allow for Plating
Critical fits must include the specified coating thickness.
Machined Projects
Custom CNC-Machined Copper Parts
Copper parts from prototypes and small batches to repeat production.
Machining & Inspection
From Process Review to Final Inspection
Machining, grinding, EDM and dimensional inspection support controlled copper-part production.
Copper Machining FAQ
Questions Before Production
Is copper difficult to CNC machine?
Pure copper can smear, form burrs and retain cutting heat. Sharp tools, controlled feeds, coolant and light workholding improve stability.
Which copper grade has the best machinability?
C14500 tellurium copper provides improved machinability while retaining high electrical and thermal conductivity.
How are copper burrs and deformation controlled?
Use sharp cutting edges, staged machining, supported thin walls, balanced stock removal and controlled deburring.
Can machined copper parts be plated?
Yes. Tin, nickel, silver and gold plating support solderability, contact performance, wear resistance and corrosion protection.