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C87500 Brass vs. Commercially Pure Silver

C87500 brass 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 C87500 brass and the bottom bar is commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 18
1.1 to 29
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 460
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 260
110
Melting Completion (Liquidus), °C 920
960
Melting Onset (Solidus), °C 820
960
Specific Heat Capacity, J/kg-K 410
240
Thermal Conductivity, W/m-K 28
420
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
87

Otherwise Unclassified Properties

Density, g/cm3 8.3
10

Common Calculations

Stiffness to Weight: Axial, points 7.4
3.8
Stiffness to Weight: Bending, points 19
13
Strength to Weight: Axial, points 16
4.9 to 8.9
Strength to Weight: Bending, points 16
6.9 to 10
Thermal Diffusivity, mm2/s 8.3
170
Thermal Shock Resistance, points 17
9.5 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
0
Lead (Pb), % 0 to 0.5
0
Silicon (Si), % 3.0 to 5.0
0
Silver (Ag), % 0
99.9 to 100
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.1