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.

UTS
32 ksi
220 MPa
Yield strength
10 ksi
70 MPa
Elongation
45%
in 2″
Hardness
HRF 40 (annealed)
Typical
Density
0.323
lb/in³ · 8.94 g/cc
Modulus E
17.0
Mpsi · 117 GPa
CTE
9.4
µin/in·°F
Service T (max)
400°F
Continuous

Chemical composition

Nominal % by weight.

Element% by wt
Cu≥99.90
O0.02–0.05

Applicable specifications

AMS / ASTM / MIL.

  • ASTM B187 (bar)
  • ASTM B152 (sheet)
  • AMS 4500

Machining guidance

CNC parameters and tooling.

Roughing SFM
400–700
Finishing SFM
600–900
Machinability rating
20 / 100
Copper-alloy scale (C360 = 100)
Coolant
Flood
Tooling

Polished carbide, sharp positive rake; avoid built-up edge

Notes

Gummy. Sharp tools, light cuts, no rubbing. Add tellurium (C145) or sulfur (C147) for free-machining grades.

Stock & cost

Forms and Q1 2026 pricing.

Available forms
BarPlateSheetTube
Stock cost
$5.00–$10.00/lb
Mid-quantity bar/plate, Q1 2026 USD
Common finishes
  • 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)

Digital Machine · Quick-Turn CNC · California

Machine your part in C110 Copper.

Production CNC milling and turning. Confirm material, inspection and documentation requirements when requesting a quote.

Phone: 805-697-7829
Email: sales@digitalmachine.com
Web: digitalmachine.com
Datasheet generated 2026 · Mechanical values are typical room-T averages from MMPDS / ASM. Verify against MTRs for design-critical applications.
Call NowGet a Quote