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2007 Aluminum vs. CC331G Bronze

2007 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 (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 2007 aluminum and the bottom bar is CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.6 to 8.0
20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 370 to 420
620
Tensile Strength: Yield (Proof), MPa 240 to 270
240

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 640
1060
Melting Onset (Solidus), °C 510
1000
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 130
61
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
13
Electrical Conductivity: Equal Weight (Specific), % IACS 140
14

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 3.1
8.3
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1130
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
97
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
250
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 44
19
Strength to Weight: Axial, points 33 to 38
21
Strength to Weight: Bending, points 37 to 40
19
Thermal Diffusivity, mm2/s 48
17
Thermal Shock Resistance, points 16 to 19
22

Alloy Composition

Aluminum (Al), % 87.5 to 95
8.5 to 10.5
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.6
83 to 86.5
Iron (Fe), % 0 to 0.8
1.5 to 3.5
Lead (Pb), % 0.8 to 1.5
0 to 0.1
Magnesium (Mg), % 0.4 to 1.8
0 to 0.050
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.2
0 to 1.5
Silicon (Si), % 0 to 0.8
0 to 0.2
Tin (Sn), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0 to 0.5
Residuals, % 0 to 0.3
0