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Metal CNC Materials

Copper

⬡ Chemical Resistant
Overview
Pure copper is challenging to machine due to its ductility and work-hardening tendency, but offers unmatched conductivity. Requires sharp tools and cutting fluid.
Properties
Difficulty
advanced
Pros
  • Excellent thermal and electrical conductivity, antimicrobial properties, decorative finish
Cons
  • Work-hardens quickly, requires sharp tools and coolant, expensive, gummy chip formation
Best For
  • Heat sinks
  • electrical busbars
  • decorative pieces
  • RF shielding
Avoid For
  • Structural parts
  • high-speed dry machining
Brands
McMaster-CarrOnline Metals