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4045 Aluminum vs. C86500 Bronze

4045 aluminum belongs to the aluminum alloys classification, while C86500 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 4045 aluminum and the bottom bar is C86500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.3
25
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 120
530
Tensile Strength: Yield (Proof), MPa 64
190

Thermal Properties

Latent Heat of Fusion, J/g 540
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 600
880
Melting Onset (Solidus), °C 580
860
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
86
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
22
Electrical Conductivity: Equal Weight (Specific), % IACS 160
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1070
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
110
Resilience: Unit (Modulus of Resilience), kJ/m3 29
180
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 54
20
Strength to Weight: Axial, points 13
19
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 74
28
Thermal Shock Resistance, points 5.7
17

Alloy Composition

Aluminum (Al), % 87.4 to 91
0.5 to 1.5
Copper (Cu), % 0 to 0.3
55 to 60
Iron (Fe), % 0 to 0.8
0.4 to 2.0
Lead (Pb), % 0
0 to 0.4
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.1 to 1.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 9.0 to 11
0
Tin (Sn), % 0
0 to 1.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
36 to 42
Residuals, % 0
0 to 1.0