Typical Application for C17300 Leaded Beryllium Copper Alloys:

Electrical Industry: Switch Parts, Relay parts, Electrical Connectors, Fuse Clips, Contact Bridges, Electrical Motor Components, Navigational Instruments, Electrical Switch and Relay Blades.
Fasteners:Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts
Industrial:Bushings, Non-Sparking Safety Tools, Shafts, Pumps, Springs, Welding Equipment, Rolling Mill Parts, Spline Shafts, Pump Parts, Valves, Bourdon Tubes, Bellows, Electrochemical Springs, Flexible Metal Hose

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
Custom shapes are available upon request

Chemical Composition:

Be: 1.85-2.10%
Co+Ni: 0.20% Min.
Co+Ni+Fe: 0.60% Max.
Lead: 0.20-0.60%
Cu: Balance
Note: Copper plus additions equal 99.5% minimum.

Typical Physical Properties:

Density (g/cm3): 8.36
Density before age hardening (g/cm3): 8.25
Elastic Modulus (kg/mm2 (103)): 13.40
Thermal Expansion Coefficient (20 °C to 200 °C m/m/°C): 17 x 10-6
Thermal Conductivity (cal/(cm-s-°C)): 0.25
Melting Range (°C): 870-980

Note:
1). the units are based upon Metric.
2). the typical physical properties apply to age hardened products.

International Specification:

Rods/Bars/Tubes:ASTM B196, QQ-C-530
Wires:ASTM B197, QQ-C-530
Plates:ASTM B194

European Standards: DIN 2.1248, CW102C to EN

Note:
ASTM:American Society for Testing and Materials
QQ: Federal Specification
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: