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UNS C82400
Category Copper Alloy
Class Cast
Type High-copper alloy
Designations United States: UNS C82400

Composition
ElementWeight %
Cu  96.4 (min) 
Be  1.70 
Co  0.25 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8.8-8.94 25  
Poisson's Ratio 0.34 25  
Elastic Modulus (GPa) 117 25  
Tensile Strength (Mpa) 496 (1034)  25  (castings: centrifugal, investment, permanent mold, plaster, sand) 
Yield Strength (Mpa) 255 (965) 
Elongation (%) 20 (1) 
Reduction in Area (%)  
Note: Values in parentheses indicate responses to heat treatment
Hardness (HRB (HRC)) 78 (38)  25  (as cast) 
Note: Value in parentheses indicates response to heat treatment.
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.