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EN AC-42100 Aluminum vs. C61400 Bronze

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C61400 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C61400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4 to 9.0
34 to 40
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 280 to 290
540 to 570
Tensile Strength: Yield (Proof), MPa 210 to 230
220 to 270

Thermal Properties

Latent Heat of Fusion, J/g 500
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 610
1050
Melting Onset (Solidus), °C 600
1040
Specific Heat Capacity, J/kg-K 910
420
Thermal Conductivity, W/m-K 150
67
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.6
8.5
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1110
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
160 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
210 to 310
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 30 to 31
18 to 19
Strength to Weight: Bending, points 37 to 38
17 to 18
Thermal Diffusivity, mm2/s 66
19
Thermal Shock Resistance, points 13
18 to 20

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
6.0 to 8.0
Copper (Cu), % 0 to 0.050
86 to 92.5
Iron (Fe), % 0 to 0.19
1.5 to 3.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0
0 to 0.5