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C95520 Bronze vs. 7108 Aluminum

C95520 bronze belongs to the copper alloys classification, while 7108 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 C95520 bronze and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 2.6
11
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
26
Tensile Strength: Ultimate (UTS), MPa 970
350
Tensile Strength: Yield (Proof), MPa 530
290

Thermal Properties

Latent Heat of Fusion, J/g 240
380
Maximum Temperature: Mechanical, °C 240
210
Melting Completion (Liquidus), °C 1070
630
Melting Onset (Solidus), °C 1020
530
Specific Heat Capacity, J/kg-K 450
880
Thermal Conductivity, W/m-K 40
150
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
39
Electrical Conductivity: Equal Weight (Specific), % IACS 12
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 3.6
8.3
Embodied Energy, MJ/kg 58
150
Embodied Water, L/kg 390
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
38
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
620
Stiffness to Weight: Axial, points 8.0
13
Stiffness to Weight: Bending, points 20
47
Strength to Weight: Axial, points 33
34
Strength to Weight: Bending, points 27
38
Thermal Diffusivity, mm2/s 11
59
Thermal Shock Resistance, points 33
16

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
92.4 to 94.7
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.5 to 81.3
0 to 0.050
Iron (Fe), % 4.0 to 5.5
0 to 0.1
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
0.7 to 1.4
Manganese (Mn), % 0 to 1.5
0 to 0.050
Nickel (Ni), % 4.2 to 6.0
0
Silicon (Si), % 0 to 0.15
0 to 0.1
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.3
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15