C18140

 

Rolling Product

Material Designation
Chemical Composition % Typical Application
EN CuCrZr Cu rest Components for the electrical industry
Cr
0.2-0.4
 Stamped parts
UNS
C1814
 Zr 0.07-0.13 Connectors
Si
0.01-0.03
 Relay springs

Physical Properties
Electrical Conductivity IACS ＞＝ 80

C1814 is a CuCrZr alloy that can be hardened By cold rolling and by precipitation of CuCrZr-Phases during a heat treatment.

It has a good formability, excellent hot and Cold forming properties, a high strength and a good corrosion resistance.
Density
 g/ cm3 8.9
Coefficient of Thermal Expansion
10-6/ °C 17.1
Modulus of Elasticity
KN/mm2 137

Mechanical properties Tensile Strength N/mm2 MPA Elongation % Hardness HV
Temper
1/2H
 470-550
＞＝6
135-160
UNS
510-590
 ＞＝3 145-170
Si
＞＝540
＞＝165

 
 
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