Copper

Technical information, including mechanical and electrical properties, material specifications, and thermal coefficient and conductivity data are provided in the tabs above. No one offers a broader range of metals and alloys than HPM. Contact your HPM technical support representative with any questions.

Technical Data
TYPE Be Cu 25 Copper 102 Phosphor Bronze A Cu Ni 715
Cu 97.6 - 98.0 99.95 94.8 69.5
Sn 5.0
others Be 1.80 - 2.05
Co .18 - .30
P .2
Ni 30.0
Fe .5
Density LB/CU IN .298 .323 .320 .323
Thermal
Expansion
Coefficient X
10-6/° C
17.5 17.0 17.8 16.2
Thermal
Conductivity
W/M x K @ 100° C
105 390 69.2 29.4
Electrical
Resistivity
MICROHM - CM
7.81 1.71 11.5 39.5
Mechanical Properties
TYPICAL MECHANICAL PROPERTIES
TYPE Condition Tensile PSI Yield 0.2% Offset PSI Elongation % IN 2 *
Be Cu 25
Annealed 70,000 30,000 35
Cold Rolled 120,000 110,000 2
Annealed and Aged 175,000 150,000 3
CR and Aged 210,000 200,000 1
Copper 102 Annealed 35,000 10,000 40
Cold Rolled 57,000 53,000 2
Phosphor
Bronze A
Annealed 47,000 20,000 50
1/2 Hard 68,000 45,000 30
Hard 82,000 65,000 10
Spring 100,000 90,000 3
Cu Ni 715 Annealed 70,000 25,000 40

* These values may be adjusted by control of process variable - consult HPM for desired values.