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EN AC-21000 Aluminum vs. C94100 Bronze

EN AC-21000 aluminum belongs to the aluminum alloys classification, while C94100 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, 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-21000 aluminum and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
92
Elongation at Break, % 6.7
7.8
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 27
34
Tensile Strength: Ultimate (UTS), MPa 340
190
Tensile Strength: Yield (Proof), MPa 240
130

Thermal Properties

Latent Heat of Fusion, J/g 390
160
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 670
870
Melting Onset (Solidus), °C 550
790
Specific Heat Capacity, J/kg-K 880
330
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 3.0
9.2
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1150
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
14
Resilience: Unit (Modulus of Resilience), kJ/m3 390
97
Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 46
16
Strength to Weight: Axial, points 32
5.8
Strength to Weight: Bending, points 36
8.1
Thermal Shock Resistance, points 15
7.6

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 4.2 to 5.0
72 to 79
Iron (Fe), % 0 to 0.35
0 to 0.25
Lead (Pb), % 0 to 0.050
18 to 22
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.050
4.5 to 6.5
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 1.3