C17000 Composition
C17000 beryllium copper comprises 1.80-2.0% beryllium and 0.2-0.6% cobalt. It also has copper as its base metal, with trace amounts of iron and nickel. This alloy has excellent machinability properties, making it ideal for components that require complex shapes and designs.
| Element | Content (%) |
|---|---|
| Cu | 98.1 |
| Be | 1.7 |
| Co | 0.20 |
C17000 Physical Properties
C17000 beryllium copper has a density of 8.36 g/cm³ and a melting point of 1,085°C. It has a thermal conductivity ranges from 100-200 W/mK and an electrical conductivity of up to 45% IACS. It also has a high elastic modulus, making it resistant to mechanical stress deformation.
C17000 Equivalents
ASTM B194
ASTM B196
ASTM B570
SAE J461
SAE J463
C17000 Uses
C17000 beryllium copper is widely used in the aerospace, automotive, electrical, and manufacturing industries. It is used in high-strength, wear, and corrosion-resistant components. Its properties also make it ideal for parts that require high conductivity, such as electrical contacts, connectors, and switches.
C17000 Hardness
C17000 beryllium copper has a high hardness range of 180-250 HB. Its hardness properties make it ideal for use in components that require high wear resistance and fatigue strength, such as moulds, bearings, and valve seats. Heat treatment, such as annealing or quenching, can further increase its hardness.
C17000 Heat Treatment
C17000 beryllium copper can be treated in heat to improve its mechanical and physical properties. Annealing can be used to improve its ductility and machinability, while quenching can be used to increase its hardness. Heat treatment should be done carefully because over-treatment can result in cracking, reduced fatigue strength, and brittleness.
C17000 Welding
C17000 beryllium copper can be welded using various welding methods, such as TIG, MIG, and resistance welding. However, extreme care should be taken because it is highly conductive and can result in heat-affected zones that can cause cracking and reduced mechanical properties.
C17000 Corrosion Resistance
C17000 beryllium copper has excellent corrosion resistance, making it ideal for marine and corrosive environments. It is resistant to stress corrosion, pitting, and crevice corrosion. Proper heat treatment and protective coatings can further improve its corrosion resistance.
