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C93400 Bronze vs. 2018 Aluminum

C93400 bronze belongs to the copper alloys classification, while 2018 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 C93400 bronze and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
73
Elongation at Break, % 9.1
9.6
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 38
27
Tensile Strength: Ultimate (UTS), MPa 270
420
Tensile Strength: Yield (Proof), MPa 150
310

Thermal Properties

Latent Heat of Fusion, J/g 180
390
Maximum Temperature: Mechanical, °C 150
220
Melting Completion (Liquidus), °C 950
640
Melting Onset (Solidus), °C 850
510
Specific Heat Capacity, J/kg-K 350
870
Thermal Conductivity, W/m-K 58
150
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
40
Electrical Conductivity: Equal Weight (Specific), % IACS 12
120

Otherwise Unclassified Properties

Base Metal Price, % relative 32
11
Density, g/cm3 8.9
3.1
Embodied Carbon, kg CO2/kg material 3.3
8.1
Embodied Energy, MJ/kg 54
150
Embodied Water, L/kg 380
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
37
Resilience: Unit (Modulus of Resilience), kJ/m3 120
670
Stiffness to Weight: Axial, points 6.3
13
Stiffness to Weight: Bending, points 17
45
Strength to Weight: Axial, points 8.3
38
Strength to Weight: Bending, points 10
41
Thermal Diffusivity, mm2/s 18
57
Thermal Shock Resistance, points 10
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
89.7 to 94.4
Antimony (Sb), % 0 to 0.5
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 82 to 85
3.5 to 4.5
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 7.0 to 9.0
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 1.0
1.7 to 2.3
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.9
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 7.0 to 9.0
0
Zinc (Zn), % 0 to 0.8
0 to 0.25
Residuals, % 0
0 to 0.15