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A242.0 Aluminum vs. C92700 Bronze

A242.0 aluminum belongs to the aluminum alloys classification, while C92700 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 A242.0 aluminum and the bottom bar is C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.6
9.1
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 220
290

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 680
980
Melting Onset (Solidus), °C 550
840
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 140
47
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
11
Electrical Conductivity: Equal Weight (Specific), % IACS 110
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 3.1
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1130
390

Common Calculations

Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 20
9.1
Strength to Weight: Bending, points 26
11
Thermal Diffusivity, mm2/s 52
15
Thermal Shock Resistance, points 9.3
11

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
86 to 89
Iron (Fe), % 0 to 0.8
0 to 0.2
Lead (Pb), % 0
1.0 to 2.5
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 1.8 to 2.3
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.6
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.7
Residuals, % 0
0 to 0.7