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7003 Aluminum vs. C86100 Bronze

7003 aluminum belongs to the aluminum alloys classification, while C86100 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 7003 aluminum and the bottom bar is C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 11
20
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 350 to 390
660
Tensile Strength: Yield (Proof), MPa 300 to 310
350

Thermal Properties

Latent Heat of Fusion, J/g 380
200
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 630
940
Melting Onset (Solidus), °C 510
900
Specific Heat Capacity, J/kg-K 870
420
Thermal Conductivity, W/m-K 150
35
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.9
8.0
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1140
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
110
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
530
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 33 to 37
23
Strength to Weight: Bending, points 37 to 40
21
Thermal Diffusivity, mm2/s 59
10
Thermal Shock Resistance, points 15 to 17
21

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
4.5 to 5.5
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
66 to 68
Iron (Fe), % 0 to 0.35
2.0 to 4.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.5 to 1.0
0
Manganese (Mn), % 0 to 0.3
2.5 to 5.0
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 5.0 to 6.5
17.3 to 25
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0 to 0.15
0