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EN AC-42100 Aluminum vs. C86100 Bronze

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C86100 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4 to 9.0
20
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 280 to 290
660
Tensile Strength: Yield (Proof), MPa 210 to 230
350

Thermal Properties

Latent Heat of Fusion, J/g 500
200
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
940
Melting Onset (Solidus), °C 600
900
Specific Heat Capacity, J/kg-K 910
420
Thermal Conductivity, W/m-K 150
35
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 8.0
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1110
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
530
Stiffness to Weight: Axial, points 15
7.8
Stiffness to Weight: Bending, points 53
20
Strength to Weight: Axial, points 30 to 31
23
Strength to Weight: Bending, points 37 to 38
21
Thermal Diffusivity, mm2/s 66
10
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
4.5 to 5.5
Copper (Cu), % 0 to 0.050
66 to 68
Iron (Fe), % 0 to 0.19
2.0 to 4.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
2.5 to 5.0
Silicon (Si), % 6.5 to 7.5
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
17.3 to 25
Residuals, % 0 to 0.1
0