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5070 Aluminum vs. C94800 Bronze

5070 aluminum belongs to the aluminum alloys classification, while C94800 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 C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 20
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 300
310
Tensile Strength: Yield (Proof), MPa 140
160

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 130
39
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
12
Electrical Conductivity: Equal Weight (Specific), % IACS 100
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.8
3.5
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1170
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
58
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 31
9.8
Strength to Weight: Bending, points 37
12
Thermal Diffusivity, mm2/s 53
12
Thermal Shock Resistance, points 14
11

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
84 to 89
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
1.0 to 2.5
Residuals, % 0 to 0.15
0 to 1.3