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Commercially Pure Silver vs. CR018A Copper

Commercially pure silver belongs to the otherwise unclassified metals classification, while CR018A copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is commercially pure silver and the bottom bar is CR018A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 1.1 to 29
15
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 190 to 340
220

Thermal Properties

Latent Heat of Fusion, J/g 110
210
Melting Completion (Liquidus), °C 960
1090
Melting Onset (Solidus), °C 960
1040
Specific Heat Capacity, J/kg-K 240
390
Thermal Conductivity, W/m-K 420
390
Thermal Expansion, µm/m-K 20
17

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 10
9.0

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.2
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 4.9 to 8.9
6.8
Strength to Weight: Bending, points 6.9 to 10
9.0
Thermal Diffusivity, mm2/s 170
110
Thermal Shock Resistance, points 9.5 to 17
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 0
99.914 to 99.94
Silver (Ag), % 99.9 to 100
0.060 to 0.080
Residuals, % 0 to 0.1
0