Materion

Site Search
  • Entire Site
  • Entire Site
  • Products
  • Services
  • Technologies
  • Markets
  • Resource Center

Alloy 10

Copper Beryllium Alloys

Alloy 10

Alloy 10  UNS Number C17500

Alloy 10 by Materion Brush Performance Alloys combines moderate yield strength, up to 140 ksi, with electrical and thermal conductivity from 45 to 60 percent of pure copper.

Markets and Applications for Alloy 10

Appliance
Automotive
DataCom/Telecom
Energy
Rotor Wedges
Typical applications include high reliability spring contacts for switches and relays.

Alloy 10 Chemical Composition

Beryllium – 0.4-0.7%
Cobalt - 2.4-2.7%
Copper - balance

Alloy 10 Physical Properties

Elastic Modulus - 20 x 106 psi  (138 Gpa)
Density - 0.319 lb/in3  (8.83 g/cm3)
Poisson's Ratio -  0.3
Relative Magnetic Permeability -  <1.01
Electrical Conductivity -  45-60% IACS (26.2-34.9 MS/m) 
Thermal Conductivity 70°F / 20°C - 115 BTU/ft•hr•°F (200 W/m•K)
Coefficient of Thermal Expansion - 9.8 ppm/°F   (17.6 ppm/°C)
Specific Heat (Heat Capacity) 70°F / 20°C - 0.08 BTU/lb•°F (335 J/kg K)
Specific Heat (Heat Capacity) 200°F / 100°C - 0.091 BTU/lb•°F  (381 J/kg K)
Melting Range - 1850-1930°F  (1010 - 1050 °C)

Alloy 10 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 10

Alloy 10 is available in strip, wire, rod, bar, tube, plate, forgings, and extrusions.  See data sheet for sizes and tolerances.
Bar
Rod
Tube
Wire
Forgings and Extrusions

Applicable Specifications & Standards for Alloy 10

Rod & Bar- ASTM B 441, SAE J 461, SAE J 463, RWMA Class 3, EN 12163, EN 12165, EN 12167

Plate - ASTM B 534, SAE J 461, SAE J 463, RWMA Class 3

Tube - ASTM B 937, SAE J 461, SAE J 463, RWMA Class 3, EN 12163, EN 12165, EN 12167

Wire - EN 12165, EN 12166

Forgings & Extrusions - ASTM B 938, SAE J 461, SAE J 463, RWMA Class 3, EN 12165, EN 12420

Resources and Related links

Contact Us

Click here to learn more about Alloy 10, and other high performance alloy solutions, by contacting our technical service professionals at Materion Brush Performance Alloys today.