Copper Alloy 110/C110/C11000 Electrolytic Tough Pitch (ETP)

Copper Alloy 110/C110/C1100 Electrolytic Tough Pitch (ETP) is a very pure alloy of copper (99.9% min. cu). It is a versatile alloy because of its resistance to corrosion, high electrical and thermal conductivity, and its aesthetic quality. It is used for a variety of projects and applications including construction, DIY, arts and craft projects, rfi shielding, manufacturing, electrical applications, research and development and much more.

C110 Data Specifications – Manufactured to ASTM B152 (Certification of Conformance Provided upon Request)

Chemical Properties

  • Copper-99.9% (min.)
  • Oxygen-0.05% (max.)

Physical Properties

  • Density: lb/cu in. at 68F-0.322
  • Thermal Conductivity: 226 BTU- /sq.ft./hr/°F
  • Electrical Resistivity: 10.3 ohm circ mils/ft
  • Electrical Conductivity: (annealed) 101% IACS
  • Modulus of Elasticity: 17,000,000 psi
  • Coeff of Thermal Expansion: 68-572 Fahrenheit | 9.8PPM/Fahrenheit

Mechanical Properties

 Tensile StrengthYield Strenth1Elongation2
Temper-Annealed 26 to 38 ksi 6 to 13 x 1000 psi 20-50
  • Annealing: This alloy can be annealed between 700 and 1200 degrees Fahrenheit
  • Hot Treatment: 1400-1600 Fahrenheit
  • Melting Point (approx.): 1981 Fahrenheit

Fabrication Information

  • Soldering: Excellent
  • Brazing: Good
  • Oxyacetylene Welding: Not Recommended
  • Gas Shielded Arc Welding: Fair
  • Coated Metal Arc Welding: Not Recommended
  • Spot Weld: Not Recommended
  • Seam Weld: Not Recommended
  • Butt Weld: Good
  • Cold worked capability: Excellent
  • Hot Formed Capability: Excellent
  • Forgeability Rating: 65
  • Machinability Rating: 20

(1) 0.2% offset (2) % in 2 inches

This information is for reference only. Basic Copper Inc. provides this information without obligation or liability. Contact us for complete material property data sheets.