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SAE-AISI M41 Steel vs. 242.0 Aluminum

SAE-AISI M41 steel belongs to the iron alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, 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 SAE-AISI M41 steel and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
180 to 290

Thermal Properties

Latent Heat of Fusion, J/g 260
390
Melting Completion (Liquidus), °C 1600
640
Melting Onset (Solidus), °C 1550
530
Specific Heat Capacity, J/kg-K 440
870
Thermal Conductivity, W/m-K 22
130 to 170
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 8.4
3.1
Embodied Carbon, kg CO2/kg material 9.1
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 120
1130

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 26 to 76
16 to 26
Strength to Weight: Bending, points 23 to 46
23 to 32
Thermal Diffusivity, mm2/s 6.0
50 to 62
Thermal Shock Resistance, points 25 to 71
8.0 to 13

Alloy Composition

Aluminum (Al), % 0
88.4 to 93.6
Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 3.8 to 4.5
0 to 0.25
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
3.5 to 4.5
Iron (Fe), % 73.4 to 78.9
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0.2 to 0.6
0 to 0.35
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
1.7 to 2.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15

Comparable Variants