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CC491K Bronze vs. A242.0 Aluminum

CC491K bronze belongs to the copper alloys classification, while A242.0 aluminum belongs to the aluminum alloys. There are 26 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 CC491K bronze and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
75
Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 13
1.6
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 260
220

Thermal Properties

Latent Heat of Fusion, J/g 190
390
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 980
680
Melting Onset (Solidus), °C 900
550
Specific Heat Capacity, J/kg-K 370
870
Thermal Conductivity, W/m-K 71
140
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
37
Electrical Conductivity: Equal Weight (Specific), % IACS 15
110

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
3.1
Embodied Carbon, kg CO2/kg material 3.1
8.3
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 350
1130

Common Calculations

Stiffness to Weight: Axial, points 6.7
13
Stiffness to Weight: Bending, points 18
45
Strength to Weight: Axial, points 8.1
20
Strength to Weight: Bending, points 10
26
Thermal Diffusivity, mm2/s 22
52
Thermal Shock Resistance, points 9.3
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.010
89.3 to 93.1
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0.15 to 0.25
Copper (Cu), % 81 to 87
3.7 to 4.5
Iron (Fe), % 0 to 0.3
0 to 0.8
Lead (Pb), % 4.0 to 6.0
0
Magnesium (Mg), % 0
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 2.0
1.8 to 2.3
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.6
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0.070 to 0.2
Zinc (Zn), % 4.0 to 6.0
0 to 0.1
Residuals, % 0
0 to 0.15