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EN AC-21100 Aluminum vs. C52100 Bronze

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C52100 bronze belongs to the copper alloys. There are 24 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-21100 aluminum and the bottom bar is C52100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 340 to 350
380 to 800

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
1030
Melting Onset (Solidus), °C 550
880
Specific Heat Capacity, J/kg-K 880
370
Thermal Conductivity, W/m-K 130
62
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
13
Electrical Conductivity: Equal Weight (Specific), % IACS 100
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
34
Density, g/cm3 3.0
8.8
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1150
370

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 31 to 33
12 to 25
Strength to Weight: Bending, points 36 to 37
13 to 22
Thermal Diffusivity, mm2/s 48
19
Thermal Shock Resistance, points 15
14 to 28

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
89.8 to 93
Iron (Fe), % 0 to 0.19
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.55
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0 to 0.18
0
Tin (Sn), % 0
7.0 to 9.0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 0.2
Residuals, % 0 to 0.1
0 to 0.5