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CR025A Copper vs. 90-silver 10-nickel

CR025A copper belongs to the copper alloys classification, while 90-silver 10-nickel belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is CR025A copper and the bottom bar is 90-silver 10-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
82
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
30
Tensile Strength: Ultimate (UTS), MPa 230
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
130
Melting Completion (Liquidus), °C 1090
840
Melting Onset (Solidus), °C 1040
960
Specific Heat Capacity, J/kg-K 390
260
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
90
Electrical Conductivity: Equal Weight (Specific), % IACS 99
79

Otherwise Unclassified Properties

Density, g/cm3 9.0
10

Common Calculations

Stiffness to Weight: Axial, points 7.2
4.4
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 7.1
6.7 to 11
Strength to Weight: Bending, points 9.3
8.5 to 12
Thermal Shock Resistance, points 8.1
11 to 19

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.9 to 99.96
0
Lead (Pb), % 0 to 0.0050
0
Nickel (Ni), % 0
8.8 to 11
Phosphorus (P), % 0.040 to 0.060
0
Silver (Ag), % 0 to 0.015
89 to 91
Residuals, % 0
0 to 0.2