Be: 1.80-2.00%
Co+Ni: 0.20% Min.
Co+Ni+Fe: 0.60% Max.
Cu: Balance
Note: Copper plus additions equal 99.5% minimum.
Physical Properties
Density: 0.304 lb/in3 at 68 F
Specific Gravity: 8.36 g/cm3
Melting Point - Liquidus: 1800 F
Melting Point - Solidus: 1600 F
Electrical Resistivity: 46.2 ohms-cmil/ft @ 68 F
Electrical Conductivity: 22 %IACS @ 68 F (heat-treated)
Thermal Conductivity: 62.0 Btu · ft/(hr · ft2· o F)at 68F1). the units are based upon Metric.
2). the typical physical properties apply to age hardened products.
ApplicationElectrical Industry: Electrical Switch and Relay Blades, Fuse Clips, Switch Parts, Relay parts, Connectors, Spring Connectors, Contact Bridges, Belleville Washers, Navigational Instruments, Clips Fasteners: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts Industrial: Pumps, Springs, Electrochemical, Shafts, Non Sparking Safety Tools, Flexible Metal Hose, Housings for Instruments, Bearings, Bushings, Valve Seats, Valve Stems, Diaphragms, Springs, Welding Equipment, Rolling Mill Parts, Spline Shafts, Pump Parts, Valves, Bourdon Tubes, Wear Plates on Heavy Equipment, Bellows.