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5070 Aluminum vs. C94400 Bronze

5070 aluminum belongs to the aluminum alloys classification, while C94400 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 5070 aluminum and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 20
18
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 300
220
Tensile Strength: Yield (Proof), MPa 140
110

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 190
150
Melting Completion (Liquidus), °C 640
940
Melting Onset (Solidus), °C 550
790
Specific Heat Capacity, J/kg-K 900
350
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
10
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.7
9.1
Embodied Carbon, kg CO2/kg material 8.8
3.4
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1170
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
33
Resilience: Unit (Modulus of Resilience), kJ/m3 150
60
Stiffness to Weight: Axial, points 14
6.1
Stiffness to Weight: Bending, points 50
17
Strength to Weight: Axial, points 31
6.8
Strength to Weight: Bending, points 37
9.0
Thermal Diffusivity, mm2/s 53
17
Thermal Shock Resistance, points 14
8.3

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
76.1 to 84
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0 to 0.8
Residuals, % 0 to 0.15
0