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C86300 Bronze vs. 2218 Aluminum

C86300 bronze belongs to the copper alloys classification, while 2218 aluminum belongs to the aluminum alloys. There are 29 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 C86300 bronze and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
95 to 110
Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 14
6.8 to 10
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 850
330 to 430
Tensile Strength: Yield (Proof), MPa 480
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 200
390
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 890
510
Specific Heat Capacity, J/kg-K 420
870
Thermal Conductivity, W/m-K 35
140
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
37
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 7.8
3.1
Embodied Carbon, kg CO2/kg material 3.0
8.2
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 360
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
450 to 650
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 30
30 to 39
Strength to Weight: Bending, points 25
34 to 41
Thermal Diffusivity, mm2/s 11
52
Thermal Shock Resistance, points 28
15 to 19

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
88.8 to 93.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 60 to 66
3.5 to 4.5
Iron (Fe), % 2.0 to 4.0
0 to 1.0
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 2.5 to 5.0
0 to 0.2
Nickel (Ni), % 0 to 1.0
1.7 to 2.3
Silicon (Si), % 0
0 to 0.9
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0 to 0.25
Residuals, % 0 to 1.0
0 to 0.15