Alloy 20C / Alloy 20CT
Markets and Applications for Alloy 20C and Alloy 20CT
Plastic Molds
Die Cast Plunger Tips
Non-sparking safety tools
Cast parts for military and defense applications
Undersea
Alloy 20C and Alloy 20CT Chemical Composition
Beryllium – 1.90 – 2.25%
Cobalt – 0.35 – 0.70%
Silicon – 0.20 – 0.35%
Copper - balance
Alloy 20C and Alloy 20CT Physical Properties
Elastic Modulus - 19 106 psi (130 Gpa)
Density - 0.300 lb/in3 (8.30 g/cm3)
Thermal Conductivity 70°F / 20°C - 56 BTU/ft•hr•°F (97 W/m•K)
Electrical Conductivity - 18-25% IACS (10.5-14.5 MS/m)
Coefficient of Thermal Expansion - 10 ppm/°F (18 ppm/°C)
Melting Range – 1600 - 1780 °F (870 - 970 °C)
Alloy 20C and Alloy 20CT Mechanical Properties
Mechanical properties may vary by product size, form and temper. Please see individual data sheets for values.
Available Forms, Sizes and Tolerances of Alloy 20C and Alloy 20CT
All BrushCast® alloys are available in ingots. See data sheet for sizes and tolerances.
Applicable Specifications & Standards for Alloy 20C and Alloy 20CT
AMS 4890
Resources and Related links
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