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C17510 CuNi2Be Beryllium Copper


UNS C17510 Beryllium Copper Alloys

C17510 Nickel 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.




Description

UNS C17510 Beryllium Copper Alloys

C17510 Nickel 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.


Chemical Composition


Element

Cu(1,2)

Fe

Ni

Al

Be

Co

Si

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

Min (%)

1.4

0.2

Max (%)

Rem

0.10

2.2

0.20

0.6

0.3

0.20


Mechanical Properties*

Physical Properties


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

48(1)

Electrical Conductivity% IACS at 68°F

45(2)

Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F

120

Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)

9.8

Specific Heat CapacityBtu/ lb /°F at 68°F

0.1

Modulus of Elasticity in Tensionksi

19200

Modulus of Rigidityksi

7500


(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


Strip

ASTM B 534-07, B 888

JIS H 3130

Sheet

ASTM B 534-07, B 888

JIS H 3130

Rod

ASTM B 441-04, ASTM B 534-07

Tube

ASTM B 937, ASTM B 944

Profile

ASTM B 870-08

Forgings

ASTM B 870-08, ASTM B 938


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