Material datasheet · Pure copper (>99.9%)
Electrolytic Tough Pitch Copper
UNS C11000 · Annealed (O60, soft); properties shown are annealed values
100% IACS conductivity standard. Bus bars, RF housings, heat sinks.
Chemical composition
Nominal % by weight.
| Element | % by wt |
|---|---|
| Cu | ≥99.90 |
| O | 0.02–0.05 |
Applicable specifications
AMS / ASTM / MIL.
- ASTM B187 (bar)
- ASTM B152 (sheet)
- AMS 4500
Machining guidance
CNC parameters and tooling.
Polished carbide, sharp positive rake; avoid built-up edge
Gummy. Sharp tools, light cuts, no rubbing. Add tellurium (C145) or sulfur (C147) for free-machining grades.
Stock & cost
Forms and Q1 2026 pricing.
- Tin plate
- Silver plate
- Nickel plate
- Lacquer (anti-tarnish)
Typical applications
Where C110 Copper is the right pick.
- Bus bars
- Electrical contacts
- RF housings
- Heat sinks
- Plumbing
Alternative materials
Substitute or upgrade options.
- C145 (tellurium copper, free-machining)
- C172 BeCu (high strength)
- C194 (high cond + strength)
True Precision Machining · Buellton, CA
Machine your part in C110 Copper.
5-axis CNC · ISO 9001 · AS9100 · ITAR · CMMC-compliant · DFARS-compliant supply chain. AS9102 FAI on aerospace.
Technically reviewed by the True Precision Machining engineering team · Last reviewed June 2026
Standards referenced: ASTM B187 (bar), ASTM B152 (sheet), AMS 4500
Keep exploring
Related tools & references
Speeds, feeds, tooling, and chip strategy.
SFM, RPM, and feed rate for this material.
Compare alloys by strength, weight, temperature, and cost.
Estimate part weight from C110 Copper stock.
Aerospace specs that call out this alloy.