C17500 Cobalt Beryllium Copper

CuCo2Be-C17500 (CDA 175) Cobalt Beryllium Copper is primarily utilized in the industry applications that require most highly thermal or electrical conductivity, which features a cobalt alloying addition (2.40-2.70%). C17500 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 CuCo2Be UNS.C17500

Typical Application for C17500 Cobalt Beryllium Copper Alloys:

Electrical Industry: Fuse Clips, Switch Parts, Relay parts, Connectors, Spring Connectors
Fasteners: Washers, Fasteners
Industrial: Springs, Seam Welding Dies, Resistance Welding Equipment, Resistance and Spot Welding Tips, Tooling for Plastic Moulds, 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)): 0.48
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
Sheets: ASTM B534
Wires: ASTM B441
Plates: ASTM B534, SAE J461,463; RWMA Class 3

European Standards: CuCo2Be, DIN 2.1285; CW104C 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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