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C87200 Bronze vs. 7108A Aluminum

C87200 bronze belongs to the copper alloys classification, while 7108A aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C87200 bronze and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 30
11 to 13
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Tensile Strength: Ultimate (UTS), MPa 380
350
Tensile Strength: Yield (Proof), MPa 170
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 260
380
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 970
630
Melting Onset (Solidus), °C 860
520
Specific Heat Capacity, J/kg-K 410
870
Thermal Conductivity, W/m-K 28
150
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 29
10
Density, g/cm3 8.6
2.9
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 130
610 to 640
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 12
33 to 34
Strength to Weight: Bending, points 14
38
Thermal Diffusivity, mm2/s 8.0
59
Thermal Shock Resistance, points 14
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 1.5
91.6 to 94.4
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 89 to 99
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 2.5
0 to 0.3
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0.7 to 1.5
Manganese (Mn), % 0 to 1.5
0 to 0.050
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 1.0 to 5.0
0 to 0.2
Tin (Sn), % 0 to 1.0
0
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0 to 5.0
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15