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EN AC-44000 Aluminum vs. C31400 Bronze

EN AC-44000 aluminum belongs to the aluminum alloys classification, while C31400 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 EN AC-44000 aluminum and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 7.3
6.8 to 29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 180
270 to 420
Tensile Strength: Yield (Proof), MPa 86
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 560
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 590
1040
Melting Onset (Solidus), °C 590
1010
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 140
180
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
42
Electrical Conductivity: Equal Weight (Specific), % IACS 130
43

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.5
8.8
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1070
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 51
28 to 420
Stiffness to Weight: Axial, points 16
7.1
Stiffness to Weight: Bending, points 55
18
Strength to Weight: Axial, points 20
8.7 to 13
Strength to Weight: Bending, points 28
11 to 14
Thermal Diffusivity, mm2/s 61
54
Thermal Shock Resistance, points 8.4
9.6 to 15

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Copper (Cu), % 0 to 0.050
87.5 to 90.5
Iron (Fe), % 0 to 0.19
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.7
Silicon (Si), % 10 to 11.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
5.8 to 11.2
Residuals, % 0 to 0.1
0 to 0.4