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240.0 Aluminum vs. Grade TDSiCrV Steel

240.0 aluminum belongs to the aluminum alloys classification, while grade TDSiCrV steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 240.0 aluminum and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 240
2100

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 96
47
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 65
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.3
Density, g/cm3 3.2
7.7
Embodied Carbon, kg CO2/kg material 8.7
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1100
50

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 43
25
Strength to Weight: Axial, points 20
75
Strength to Weight: Bending, points 26
47
Thermal Diffusivity, mm2/s 35
13
Thermal Shock Resistance, points 11
63

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 7.0 to 9.0
0 to 0.1
Iron (Fe), % 0 to 0.5
96.1 to 97.8
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
0.4 to 0.9
Nickel (Ni), % 0.3 to 0.7
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0