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CC491K Bronze vs. 6018 Aluminum

CC491K bronze belongs to the copper alloys classification, while 6018 aluminum belongs to the aluminum 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 CC491K bronze and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 13
9.0 to 9.1
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 260
290 to 300
Tensile Strength: Yield (Proof), MPa 120
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 980
640
Melting Onset (Solidus), °C 900
570
Specific Heat Capacity, J/kg-K 370
890
Thermal Conductivity, W/m-K 71
170
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
44
Electrical Conductivity: Equal Weight (Specific), % IACS 15
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.9
2.9
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 350
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 67
360 to 380
Stiffness to Weight: Axial, points 6.7
13
Stiffness to Weight: Bending, points 18
48
Strength to Weight: Axial, points 8.1
28 to 29
Strength to Weight: Bending, points 10
34 to 35
Thermal Diffusivity, mm2/s 22
65
Thermal Shock Resistance, points 9.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
93.1 to 97.8
Antimony (Sb), % 0 to 0.25
0
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 81 to 87
0.15 to 0.4
Iron (Fe), % 0 to 0.3
0 to 0.7
Lead (Pb), % 4.0 to 6.0
0.4 to 1.2
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0.5 to 1.2
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 4.0 to 6.0
0 to 0.3
Residuals, % 0
0 to 0.15