Product Description

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 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.

Specification of CuNi2Be sleeves-C17510

UNS/CDA

DIN/EN

Other interntional specification

Chemical compositon

C17510/1751

CuNi2Be

2.0850

CW110C

Alloy3

Be:0.20-0.60%

Ni:1.40-2.20%

Cu:balance

Cu+Be+Ni:99.5%min

Typical Application for C17510 Nickel Beryllium Copper Alloys:

Electrical Industry: Fuse Clips, Switch Parts, Relay parts, Connectors, Spring Connectors, Instruments Parts

Fasteners: Washers, Fasteners

Industrial: Springs, Thermal Transfer Plates, Welding Equipments, High Flux Electromagnets, Die-Casting Plunger Tips.

Available Sizes:

Custom Diameter & Sizes, Random Mill lengths

Available Products (forms):

Round bars, Round wires, Round tube,

Flat bars, Square bars, Rectangular bars, Hexagon bars, Plates, Sheets, Coils

Custom shapes are available upon request.

Typical Physical Properties:

Density (g/cm3): 8.83

Density before age hardening (g/cm3): 8.75

Elastic Modulus (kg/mm2 (103)): 14.10

Thermal Expansion Coefficient (20 °C to 200 °C m/m/°C): 18 x 10-6

Thermal Conductivity (cal/(cm-s-°C)): 0.57

Melting Range (°C): 1000-1070

Note: 

1).the units are based upon Metric.

2).the typical physical properties apply to age hardened products.

International Specification:

Rods/Bars/Tubes: ASTM B441, SAE J461,463; RWMA Class 3

Strips: ASTM B534, RWMA Class 3

Sheets: ASTM B534, RWMA Class 3

Wires: ASTM B441

Plates: ASTM B534, SAE J461,463; RWMA Class 3

European Standards: CuNi2Be, DIN.2.0850, CW110C to EN

Note: 

ASTM: American Society for Testing and Materials 

SAE: Society of Automotive Engineers 

AMS: Aerospace Materials Specification (Published by SAE) 

RWMA: Resistance Welder Manufacturers' Association 

Note: Unless otherwise specified, material will be produced to ASTM.

Mechanical Properties:

The Mechanical Properties will be available on request from customers.

Most Commonly Temper Used:

Rods/Bars/Tubes: A(TB00),H(TD04),AT(TF00),HT(TH04)

Strips: A(TB00),1/4 H(TD01),1/2 H(TD02),H(TD04)

Sheets: A(TB00),1/4 H(TD01),1/2 H(TD02),H(TD04),AT(TF00)

Wires: A(TB00),1/4 H(TD01),1/2 H(TD02),3/4H(TD03),H(TD04)

Plates: AT(TF00),HT(TH04)

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