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EN AC-42100 Aluminum vs. C51900 Bronze

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C51900 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-42100 aluminum and the bottom bar is C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4 to 9.0
14 to 29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 280 to 290
380 to 620
Tensile Strength: Yield (Proof), MPa 210 to 230
390 to 570

Thermal Properties

Latent Heat of Fusion, J/g 500
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 610
1040
Melting Onset (Solidus), °C 600
930
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 150
66
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.6
8.8
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1110
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
55 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
680 to 1450
Stiffness to Weight: Axial, points 15
7.0
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 30 to 31
12 to 19
Strength to Weight: Bending, points 37 to 38
13 to 18
Thermal Diffusivity, mm2/s 66
20
Thermal Shock Resistance, points 13
14 to 22

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Copper (Cu), % 0 to 0.050
91.7 to 95
Iron (Fe), % 0 to 0.19
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 6.5 to 7.5
0
Tin (Sn), % 0
5.0 to 7.0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.3
Residuals, % 0
0 to 0.5