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EN AC-21100 Aluminum vs. C65500 Bronze

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C65500 bronze belongs to the copper alloys. There are 28 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-21100 aluminum and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 6.2 to 7.3
4.0 to 70
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 340 to 350
360 to 760
Tensile Strength: Yield (Proof), MPa 210 to 240
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 670
1030
Melting Onset (Solidus), °C 550
970
Specific Heat Capacity, J/kg-K 880
400
Thermal Conductivity, W/m-K 130
36
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 3.0
8.6
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
62 to 790
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
12 to 24
Strength to Weight: Bending, points 36 to 37
13 to 21
Thermal Diffusivity, mm2/s 48
10
Thermal Shock Resistance, points 15
12 to 26

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
91.5 to 96.7
Iron (Fe), % 0 to 0.19
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.55
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.6
Silicon (Si), % 0 to 0.18
2.8 to 3.8
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 1.5
Residuals, % 0 to 0.1
0 to 0.5