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5252 Aluminum vs. SAE-AISI M41 Steel

5252 aluminum belongs to the aluminum alloys classification, while SAE-AISI M41 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 5252 aluminum and the bottom bar is SAE-AISI M41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
77
Tensile Strength: Ultimate (UTS), MPa 230 to 290
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Melting Completion (Liquidus), °C 650
1600
Melting Onset (Solidus), °C 610
1550
Specific Heat Capacity, J/kg-K 910
440
Thermal Conductivity, W/m-K 140
22
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.7
9.1
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 1190
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 23 to 30
26 to 76
Strength to Weight: Bending, points 31 to 36
23 to 46
Thermal Diffusivity, mm2/s 57
6.0
Thermal Shock Resistance, points 10 to 13
25 to 71

Alloy Composition

Aluminum (Al), % 96.6 to 97.8
0
Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.1
73.4 to 78.9
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0.2 to 0.6
Molybdenum (Mo), % 0
3.3 to 4.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.080
0.15 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
6.3 to 7.0
Vanadium (V), % 0 to 0.050
1.8 to 2.3
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.1
0