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C110
Copper 110 – Electrolytic Tough Pitch (ETP) Tube
C11000
Overview
Copper 110 (C11000) is Electrolytic Tough Pitch (ETP) copper — the most widely used commercial copper alloy. With a minimum 99.90% copper content and 100% IACS electrical conductivity, it is second only to silver in conductivity.
Chemical Composition
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | 99.90% | — |
| Oxygen (O) | — | 0.04% |
Alloy Designations
UNSC11000
DIN2.0060
BSC101
ENCW004A
ASTMB124, B152, B187, B370
Mechanical Properties
Tensile Strength (Annealed)32 ksi (221 MPa)
Tensile Strength (½ Hard)42 ksi (290 MPa)
Yield Strength (½ Hard)36 ksi (248 MPa)
Elongation (Annealed)45%
Elongation (½ Hard)14%
Rockwell Hardness (½ Hard)40 HRB
Shear Strength26 ksi (179 MPa)
Fatigue Strength14 ksi (97 MPa)
Physical Properties
Density8.89 g/cm³ (0.323 lb/in³)
Melting Point (Liquidus)1,083°C (1,981°F)
Electrical Conductivity100% IACS
Thermal Conductivity391 W/m·K
Coefficient of Thermal Expansion16.9 × 10⁻⁶ /K
Modulus of Elasticity117 GPa (17,000 ksi)
Typical Applications
- Electrical busbars and conductors
- Telecommunications equipment
- Architectural facades and roofing
- Antimicrobial touch surfaces
- Automotive radiators and wiring
- Electronics and PCB connectors
- Heat exchangers and heat sinks
- Plumbing and HVAC systems
Fabrication & Joining
- Excellent capacity for cold working
- Excellent hot forming ability
- Soldering: Excellent
- Brazing: Good
- Butt Welding: Good
- Gas Shielded Arc Welding: Fair
- Not recommended for oxyacetylene, spot, or seam welding
- Annealing temperature: 370–650°C (700–1,200°F)