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EN AC-42100 Aluminum vs. C63800 Bronze

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C63800 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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-42100 aluminum and the bottom bar is C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4 to 9.0
7.9 to 41
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 280 to 290
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 500
240
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
1030
Melting Onset (Solidus), °C 600
1000
Specific Heat Capacity, J/kg-K 910
410
Thermal Conductivity, W/m-K 150
40
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
10
Electrical Conductivity: Equal Weight (Specific), % IACS 140
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.6
8.6
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1110
330

Common Calculations

Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 30 to 31
15 to 33
Strength to Weight: Bending, points 37 to 38
15 to 26
Thermal Diffusivity, mm2/s 66
11
Thermal Shock Resistance, points 13
17 to 36

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
2.5 to 3.1
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0 to 0.050
92.4 to 95.8
Iron (Fe), % 0 to 0.19
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 6.5 to 7.5
1.5 to 2.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.8
Residuals, % 0
0 to 0.5