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1050 Aluminum vs. CC331G Bronze

1050 aluminum belongs to the aluminum alloys classification, while CC331G bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 1050 aluminum and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.6 to 37
20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 76 to 140
620
Tensile Strength: Yield (Proof), MPa 25 to 120
240

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
1060
Melting Onset (Solidus), °C 650
1000
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 230
61
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
13
Electrical Conductivity: Equal Weight (Specific), % IACS 200
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.3
3.2
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 1200
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
97
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
250
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 7.8 to 14
21
Strength to Weight: Bending, points 15 to 22
19
Thermal Diffusivity, mm2/s 94
17
Thermal Shock Resistance, points 3.4 to 6.2
22

Alloy Composition

Aluminum (Al), % 99.5 to 100
8.5 to 10.5
Copper (Cu), % 0 to 0.050
83 to 86.5
Iron (Fe), % 0 to 0.4
1.5 to 3.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.050
0 to 1.0
Nickel (Ni), % 0
0 to 1.5
Silicon (Si), % 0 to 0.25
0 to 0.2
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.5