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EN AC-21100 Aluminum vs. C94400 Bronze

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C94400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
55
Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 6.2 to 7.3
18
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 27
37
Tensile Strength: Ultimate (UTS), MPa 340 to 350
220
Tensile Strength: Yield (Proof), MPa 210 to 240
110

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 670
940
Melting Onset (Solidus), °C 550
790
Specific Heat Capacity, J/kg-K 880
350
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
10
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 3.0
9.1
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1150
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
33
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
60
Stiffness to Weight: Axial, points 13
6.1
Stiffness to Weight: Bending, points 46
17
Strength to Weight: Axial, points 31 to 33
6.8
Strength to Weight: Bending, points 36 to 37
9.0
Thermal Diffusivity, mm2/s 48
17
Thermal Shock Resistance, points 15
8.3

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 4.2 to 5.2
76.1 to 84
Iron (Fe), % 0 to 0.19
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.18
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 0.8
Residuals, % 0 to 0.1
0