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5088 Aluminum vs. C91700 Bronze

5088 aluminum belongs to the aluminum alloys classification, while C91700 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 5088 aluminum and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 29
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 25
41
Tensile Strength: Ultimate (UTS), MPa 310
330
Tensile Strength: Yield (Proof), MPa 150
170

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 640
1020
Melting Onset (Solidus), °C 540
850
Specific Heat Capacity, J/kg-K 900
370
Thermal Conductivity, W/m-K 120
71
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
10
Electrical Conductivity: Equal Weight (Specific), % IACS 98
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 9.0
3.9
Embodied Energy, MJ/kg 150
63
Embodied Water, L/kg 1180
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
35
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 32
11
Strength to Weight: Bending, points 38
12
Thermal Diffusivity, mm2/s 51
22
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
84.2 to 87.5
Iron (Fe), % 0.1 to 0.35
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Zinc (Zn), % 0.2 to 0.4
0 to 0.25
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0