C17510 CuNi2Be Beryllium Copper
CuNi2Be—C17510 (CDA 1751) Nickel Beryllium Copper is the mirror image of alloys C17500 in terms of its properties & Characteristics. C17510 is also primarily utilized in the industry applications that require the most highly thermal or electrical conductivity, which features a Nickel alloying addition (1.40-2.20%). C17510 also offers good strength and hardness characteristics coupled with conductivity in the range of 45-60 percent of copper with ultimate tensile and hardness properties approaching 140 ksi and RB 100 respectively.
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CuNi2Be—C17510 (CDA 1751) Nickel Beryllium Copper is the mirror image of alloys C17500 in terms of its properties & Characteristics. C17510 is also primarily utilized in the industry applications that require the most highly thermal or electrical conductivity, which features a Nickel alloying addition (1.40-2.20%). C17510 also offers good strength and hardness characteristics coupled with conductivity in the range of 45-60 percent of copper with ultimate tensile and hardness properties approaching 140 ksi and RB 100 respectively.

Chemical Composition

Element

Cu(1,2)FeNiAlBeCoSi
(1) Cu + Sum of Named Elements 99.5% min.(2) Cu value includes Ag.
Min (%)

1.4
0.2

Max (%)Rem0.102.20.200.60.30.20

Mechanical Properties*

Physical Properties

Melting Point - Liquidus°F1955
Melting Point - Solidus°F1885
Density lb/cu in. at 68°F0.317
Specific Gravity8.77
Electrical Conductivity% IACS at 68°F48(1)
Electrical Conductivity% IACS at 68°F45(2)
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F120
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)9.8
Specific Heat CapacityBtu/ lb /°F at 68°F0.1
Modulus of Elasticity in Tensionksi19200
Modulus of Rigidityksi7500

(1) Cold worked and precipitation hardened condition. HT Temper

(2) AT Temper

Applications

The applications of UNS C17510 copper alloys include:

Plastic molds

Bearings

Electrical/electronic connectors

Precision screw machined parts

Corrosion-resistant components

Current-carrying springs

Welding electrodes

StripASTM B 534-07, B 888JIS H 3130
SheetASTM B 534-07, B 888JIS H 3130
RodASTM B 441-04, ASTM B 534-07
TubeASTM B 937, ASTM B 944
ProfileASTM B 870-08
ForgingsASTM B 870-08, ASTM B 938

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