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A242.0 Aluminum vs. SAE-AISI T1 Steel

A242.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI T1 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, 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 SAE-AISI T1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 220
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Melting Completion (Liquidus), °C 680
1810
Melting Onset (Solidus), °C 550
1750
Specific Heat Capacity, J/kg-K 870
410
Thermal Conductivity, W/m-K 140
20
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 3.1
9.3
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1130
90

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 45
21
Strength to Weight: Axial, points 20
23 to 64
Strength to Weight: Bending, points 26
20 to 40
Thermal Diffusivity, mm2/s 52
5.2
Thermal Shock Resistance, points 9.3
23 to 64

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0
Carbon (C), % 0
0.65 to 0.8
Chromium (Cr), % 0.15 to 0.25
3.8 to 4.5
Copper (Cu), % 3.7 to 4.5
0 to 0.25
Iron (Fe), % 0 to 0.8
73.2 to 77.2
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0.1 to 0.4
Nickel (Ni), % 1.8 to 2.3
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.6
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.070 to 0.2
0
Tungsten (W), % 0
17.3 to 18.8
Vanadium (V), % 0
0.9 to 1.3
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0