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EN AC-42100 Aluminum vs. C66100 Bronze

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C66100 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 3.4 to 9.0
8.0 to 40
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 280 to 290
410 to 790
Tensile Strength: Yield (Proof), MPa 210 to 230
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 500
260
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
1050
Melting Onset (Solidus), °C 600
1000
Specific Heat Capacity, J/kg-K 910
400
Thermal Conductivity, W/m-K 150
34
Thermal Expansion, µm/m-K 22
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.6
8.7
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
53 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
60 to 790
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 30 to 31
13 to 25
Strength to Weight: Bending, points 37 to 38
14 to 22
Thermal Diffusivity, mm2/s 66
9.7
Thermal Shock Resistance, points 13
15 to 29

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Copper (Cu), % 0 to 0.050
92 to 97
Iron (Fe), % 0 to 0.19
0 to 0.25
Lead (Pb), % 0
0.2 to 0.8
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Silicon (Si), % 6.5 to 7.5
2.8 to 3.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 1.5
Residuals, % 0
0 to 0.5