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C95520 Bronze vs. 2018 Aluminum

C95520 bronze belongs to the copper alloys classification, while 2018 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
120
Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 2.6
9.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
27
Tensile Strength: Ultimate (UTS), MPa 970
420
Tensile Strength: Yield (Proof), MPa 530
310

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Maximum Temperature: Mechanical, °C 240
220
Melting Completion (Liquidus), °C 1070
640
Melting Onset (Solidus), °C 1020
510
Specific Heat Capacity, J/kg-K 450
870
Thermal Conductivity, W/m-K 40
150
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
40
Electrical Conductivity: Equal Weight (Specific), % IACS 12
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
11
Density, g/cm3 8.2
3.1
Embodied Carbon, kg CO2/kg material 3.6
8.1
Embodied Energy, MJ/kg 58
150
Embodied Water, L/kg 390
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
37
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
670
Stiffness to Weight: Axial, points 8.0
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 33
38
Strength to Weight: Bending, points 27
41
Thermal Diffusivity, mm2/s 11
57
Thermal Shock Resistance, points 33
19

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
89.7 to 94.4
Chromium (Cr), % 0 to 0.050
0 to 0.1
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.5 to 81.3
3.5 to 4.5
Iron (Fe), % 4.0 to 5.5
0 to 1.0
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0 to 1.5
0 to 0.2
Nickel (Ni), % 4.2 to 6.0
1.7 to 2.3
Silicon (Si), % 0 to 0.15
0 to 0.9
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0 to 0.25
Residuals, % 0
0 to 0.15