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C67500 Bronze vs. 2618 Aluminum

C67500 bronze belongs to the copper alloys classification, while 2618 aluminum belongs to the aluminum alloys. There are 29 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 C67500 bronze and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 14 to 33
5.8
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 270 to 350
260
Tensile Strength: Ultimate (UTS), MPa 430 to 580
420
Tensile Strength: Yield (Proof), MPa 170 to 370
350

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 890
640
Melting Onset (Solidus), °C 870
550
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
37
Electrical Conductivity: Equal Weight (Specific), % IACS 27
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.0
2.9
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 130
23
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
850
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
47
Strength to Weight: Axial, points 15 to 20
40
Strength to Weight: Bending, points 16 to 19
42
Thermal Diffusivity, mm2/s 34
62
Thermal Shock Resistance, points 14 to 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.25
92.4 to 94.9
Copper (Cu), % 57 to 60
1.9 to 2.7
Iron (Fe), % 0.8 to 2.0
0.9 to 1.3
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0
1.3 to 1.8
Manganese (Mn), % 0.050 to 0.5
0
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 0
0.1 to 0.25
Tin (Sn), % 0.5 to 1.5
0
Titanium (Ti), % 0
0.040 to 0.1
Zinc (Zn), % 35.1 to 41.7
0 to 0.1
Residuals, % 0
0 to 0.15