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EN AC-42100 Aluminum vs. CC499K Bronze

EN AC-42100 aluminum belongs to the aluminum alloys classification, while CC499K bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 CC499K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
73
Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4 to 9.0
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 280 to 290
260
Tensile Strength: Yield (Proof), MPa 210 to 230
120

Thermal Properties

Latent Heat of Fusion, J/g 500
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
1000
Melting Onset (Solidus), °C 600
920
Specific Heat Capacity, J/kg-K 910
370
Thermal Conductivity, W/m-K 150
73
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.6
8.8
Embodied Carbon, kg CO2/kg material 8.0
3.1
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1110
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
27
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
65
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 30 to 31
8.1
Strength to Weight: Bending, points 37 to 38
10
Thermal Diffusivity, mm2/s 66
22
Thermal Shock Resistance, points 13
9.2

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.020
Cadmium (Cd), % 0
0 to 0.020
Chromium (Cr), % 0
0 to 0.020
Copper (Cu), % 0 to 0.050
84 to 88
Iron (Fe), % 0 to 0.19
0 to 0.3
Lead (Pb), % 0
0 to 3.0
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
0 to 0.010
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
4.0 to 6.0
Residuals, % 0 to 0.1
0