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C18600 Copper vs. Commercially Pure Silver

C18600 copper belongs to the copper alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C18600 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, % 8.0 to 11
1.1 to 29
Poisson's Ratio 0.34
0.37
Shear Modulus, GPa 44
26
Shear Strength, MPa 310 to 340
120 to 190
Tensile Strength: Ultimate (UTS), MPa 520 to 580
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 210
110
Melting Completion (Liquidus), °C 1090
960
Melting Onset (Solidus), °C 1070
960
Specific Heat Capacity, J/kg-K 390
240
Thermal Conductivity, W/m-K 280
420
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70
100
Electrical Conductivity: Equal Weight (Specific), % IACS 71
87

Otherwise Unclassified Properties

Density, g/cm3 8.9
10

Common Calculations

Stiffness to Weight: Axial, points 7.3
3.8
Stiffness to Weight: Bending, points 18
13
Strength to Weight: Axial, points 16 to 18
4.9 to 8.9
Strength to Weight: Bending, points 16 to 17
6.9 to 10
Thermal Diffusivity, mm2/s 81
170
Thermal Shock Resistance, points 19 to 20
9.5 to 17

Alloy Composition

Chromium (Cr), % 0.1 to 1.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 96.5 to 99.55
0
Iron (Fe), % 0.25 to 0.8
0
Nickel (Ni), % 0 to 0.25
0
Silver (Ag), % 0
99.9 to 100
Titanium (Ti), % 0.050 to 0.5
0
Zirconium (Zr), % 0.050 to 0.4
0
Residuals, % 0
0 to 0.1