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2018 Aluminum vs. CC495K Bronze

2018 aluminum belongs to the aluminum alloys classification, while CC495K bronze belongs to the copper 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 2018 aluminum and the bottom bar is CC495K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
76
Elastic (Young's, Tensile) Modulus, GPa 73
100
Elongation at Break, % 9.6
7.0
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 27
37
Tensile Strength: Ultimate (UTS), MPa 420
240
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 220
140
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 510
820
Specific Heat Capacity, J/kg-K 870
350
Thermal Conductivity, W/m-K 150
48
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
10
Electrical Conductivity: Equal Weight (Specific), % IACS 120
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 3.1
9.0
Embodied Carbon, kg CO2/kg material 8.1
3.6
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1130
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
14
Resilience: Unit (Modulus of Resilience), kJ/m3 670
68
Stiffness to Weight: Axial, points 13
6.2
Stiffness to Weight: Bending, points 45
17
Strength to Weight: Axial, points 38
7.3
Strength to Weight: Bending, points 41
9.4
Thermal Diffusivity, mm2/s 57
15
Thermal Shock Resistance, points 19
8.8

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
76 to 82
Iron (Fe), % 0 to 1.0
0 to 0.25
Lead (Pb), % 0
8.0 to 11
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.2
0 to 0.2
Nickel (Ni), % 1.7 to 2.3
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.9
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0 to 0.25
0 to 2.0
Residuals, % 0 to 0.15
0