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A242.0 Aluminum vs. CC493K Bronze

A242.0 aluminum belongs to the aluminum alloys classification, while CC493K bronze belongs to the copper alloys. There are 26 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 A242.0 aluminum and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
74
Elastic (Young's, Tensile) Modulus, GPa 73
100
Elongation at Break, % 1.6
14
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 220
270

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 680
960
Melting Onset (Solidus), °C 550
880
Specific Heat Capacity, J/kg-K 870
360
Thermal Conductivity, W/m-K 140
61
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
12
Electrical Conductivity: Equal Weight (Specific), % IACS 110
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1130
370

Common Calculations

Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 20
8.6
Strength to Weight: Bending, points 26
11
Thermal Diffusivity, mm2/s 52
19
Thermal Shock Resistance, points 9.3
10

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
79 to 86
Iron (Fe), % 0 to 0.8
0 to 0.2
Lead (Pb), % 0
5.0 to 8.0
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 1.8 to 2.3
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.6
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
2.0 to 5.0
Residuals, % 0 to 0.15
0