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CR018A Copper vs. Commercially Pure Silver

CR018A copper belongs to the copper alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. 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 CR018A copper and the bottom bar is commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
10

Common Calculations

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

Alloy Composition

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