Copper alloys

Kanthal® oxygen-free high-conductivity copper (OFHC) has excellent physical, electrical conductivity and thermal resistance properties. Copper is easily soldered, welded and plated for excellent corrosion resistance. The alloy CDA 10100 has a purity of 99.99%, CDA 10200 has 99.5% and ETP C11000 has 99.9%.

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Copper alloys
AlloyCopper contentUltimate tensile strengthElectrical conductivity IACS 20°C (68°F)Electrical resistivityDensityCoefficient of thermal expansion
CDA 10100 99.99% 379 MPa (55.0 ksi) 100 1.72 Ω cm 10-6 (10.371 Ω cir-mil/ft) 8.94 g/cm (0.323 lb/in3) 17 µm/m-°C (9.44 µin/in-°F)
CDA 10200 99.5% 379 MPa (55.0 ksi) 100 1.72 Ω cm 10-6 (10.371 Ω cir-mil/ft) 8.94 g/cm (0.323 lb/in3) 17 µm/m-°C (9.44 µin/in-°F)
CDA 1100 99.9% 379 MPa (55.0 ksi) 100 1.72 Ω cm 10-6 (10.371 Ω cir-mil/ft) 8.89 g/cm (0.321 lb/in3) 17 µm/m-°C (9.44 µin/in-°F)