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5070 Aluminum vs. C94300 Bronze

5070 aluminum belongs to the aluminum alloys classification, while C94300 bronze belongs to the copper alloys. There are 28 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 5070 aluminum and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
87
Elongation at Break, % 20
9.7
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
32
Tensile Strength: Ultimate (UTS), MPa 300
180
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 390
150
Maximum Temperature: Mechanical, °C 190
110
Melting Completion (Liquidus), °C 640
820
Melting Onset (Solidus), °C 550
760
Specific Heat Capacity, J/kg-K 900
320
Thermal Conductivity, W/m-K 130
63
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
9.3
Embodied Carbon, kg CO2/kg material 8.8
2.9
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1170
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
15
Resilience: Unit (Modulus of Resilience), kJ/m3 150
77
Stiffness to Weight: Axial, points 14
5.2
Stiffness to Weight: Bending, points 50
16
Strength to Weight: Axial, points 31
5.2
Strength to Weight: Bending, points 37
7.4
Thermal Diffusivity, mm2/s 53
21
Thermal Shock Resistance, points 14
7.1

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
67 to 72
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0
23 to 27
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 1.5
Silicon (Si), % 0 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0 to 0.8
Residuals, % 0 to 0.15
0 to 1.0