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EN AC-42100 Aluminum vs. C94100 Bronze

EN AC-42100 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-42100 aluminum and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
92
Elongation at Break, % 3.4 to 9.0
7.8
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
34
Tensile Strength: Ultimate (UTS), MPa 280 to 290
190
Tensile Strength: Yield (Proof), MPa 210 to 230
130

Thermal Properties

Latent Heat of Fusion, J/g 500
160
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 610
870
Melting Onset (Solidus), °C 600
790
Specific Heat Capacity, J/kg-K 910
330
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.6
9.2
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1110
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
14
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
97
Stiffness to Weight: Axial, points 15
5.5
Stiffness to Weight: Bending, points 53
16
Strength to Weight: Axial, points 30 to 31
5.8
Strength to Weight: Bending, points 37 to 38
8.1
Thermal Shock Resistance, points 13
7.6

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 0 to 0.050
72 to 79
Iron (Fe), % 0 to 0.19
0 to 0.25
Lead (Pb), % 0
18 to 22
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 6.5 to 7.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0
0 to 1.3