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Commercially Pure Silver vs. CC490K Brass

Commercially pure silver belongs to the otherwise unclassified metals classification, while CC490K brass 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 CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 1.1 to 29
15
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 190 to 340
230

Thermal Properties

Latent Heat of Fusion, J/g 110
190
Melting Completion (Liquidus), °C 960
980
Melting Onset (Solidus), °C 960
910
Specific Heat Capacity, J/kg-K 240
370
Thermal Conductivity, W/m-K 420
72
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
16
Electrical Conductivity: Equal Weight (Specific), % IACS 87
16

Otherwise Unclassified Properties

Density, g/cm3 10
8.8

Common Calculations

Stiffness to Weight: Axial, points 3.8
6.8
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 4.9 to 8.9
7.3
Strength to Weight: Bending, points 6.9 to 10
9.5
Thermal Diffusivity, mm2/s 170
22
Thermal Shock Resistance, points 9.5 to 17
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Copper (Cu), % 0
81 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 99.9 to 100
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5
Residuals, % 0 to 0.1
0