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Commercially Pure Silver vs. CC381H Copper-nickel

Commercially pure silver belongs to the otherwise unclassified metals classification, while CC381H copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is commercially pure silver and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
140
Elongation at Break, % 1.1 to 29
20
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 26
52
Tensile Strength: Ultimate (UTS), MPa 190 to 340
380

Thermal Properties

Latent Heat of Fusion, J/g 110
240
Melting Completion (Liquidus), °C 960
1180
Melting Onset (Solidus), °C 960
1120
Specific Heat Capacity, J/kg-K 240
410
Thermal Conductivity, W/m-K 420
30
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 87
6.9

Otherwise Unclassified Properties

Density, g/cm3 10
8.9

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.6
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 4.9 to 8.9
12
Strength to Weight: Bending, points 6.9 to 10
13
Thermal Diffusivity, mm2/s 170
8.4
Thermal Shock Resistance, points 9.5 to 17
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 0
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 99.9 to 100
0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0 to 0.1
0