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C64800 Bronze vs. 2018 Aluminum

C64800 bronze belongs to the copper alloys classification, while 2018 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 C64800 bronze and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 8.0
9.6
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
27
Shear Strength, MPa 380
270
Tensile Strength: Ultimate (UTS), MPa 640
420
Tensile Strength: Yield (Proof), MPa 630
310

Thermal Properties

Latent Heat of Fusion, J/g 220
390
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1090
640
Melting Onset (Solidus), °C 1030
510
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 260
150
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
40
Electrical Conductivity: Equal Weight (Specific), % IACS 66
120

Otherwise Unclassified Properties

Base Metal Price, % relative 33
11
Density, g/cm3 8.9
3.1
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 310
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
37
Resilience: Unit (Modulus of Resilience), kJ/m3 1680
670
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
45
Strength to Weight: Axial, points 20
38
Strength to Weight: Bending, points 19
41
Thermal Diffusivity, mm2/s 75
57
Thermal Shock Resistance, points 23
19

Alloy Composition

Aluminum (Al), % 0
89.7 to 94.4
Chromium (Cr), % 0 to 0.090
0 to 0.1
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
3.5 to 4.5
Iron (Fe), % 0 to 1.0
0 to 1.0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.5
1.7 to 2.3
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 0.2 to 1.0
0 to 0.9
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0 to 0.25
Residuals, % 0
0 to 0.15