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C17510 copper-nickel-beryllium alloy, also known as CuNi2Be, beryllium bronze and spring copper, is a copper alloy with 0.2–0.6% beryllium, 1.4-2.2% Nickel and sometimes other elements.
C17510 copper-nickel-beryllium alloy combines high strength with non-magnetic and non-sparking qualities. It has excellent metalworking, forming and machining properties.
C17510, a copper-nickel-beryllium alloy, provides good strength with high electrical and thermal conductivity, good resistance to stress relaxation and good elevated temperature strength. C17510 alloy is engineered for excellent performance in the automotive, telecom and oil and gas industries.
| Property | Value |
| Melting Point - Liquidus°F | 1955 |
| Melting Point - Solidus°F | 1885 |
| Density lb/cu in. at 68°F | 0.317 |
| Specific Gravity | 8.77 |
| Electrical Conductivity% IACS at 68°F (1) | 48 |
| Electrical Conductivity% IACS at 68°F (2) | 45 |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F | 120 |
| Coefficient of Thermal Expansion (68 – 392°F) | 9.8 |
| Specific Heat Capacity Btu/ lb /°F at 68°F | 0.1 |
| Modulus of Elasticity in Tension/ksi | 19200 |
| Modulus of Rigidity/ksi | 7500 |
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(1) Cold worked and precipitation hardened condition. HT Temper (2) AT Temper |
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