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SAE-AISI M41 Steel vs. 357.0 Aluminum

SAE-AISI M41 steel belongs to the iron alloys classification, while 357.0 aluminum belongs to the aluminum 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 SAE-AISI M41 steel and the bottom bar is 357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
350

Thermal Properties

Latent Heat of Fusion, J/g 260
500
Melting Completion (Liquidus), °C 1600
620
Melting Onset (Solidus), °C 1550
560
Specific Heat Capacity, J/kg-K 440
910
Thermal Conductivity, W/m-K 22
150
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.4
2.6
Embodied Carbon, kg CO2/kg material 9.1
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 120
1110

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
53
Strength to Weight: Axial, points 26 to 76
38
Strength to Weight: Bending, points 23 to 46
43
Thermal Diffusivity, mm2/s 6.0
64
Thermal Shock Resistance, points 25 to 71
17

Alloy Composition

Aluminum (Al), % 0
91.3 to 93.1
Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.050
Iron (Fe), % 73.4 to 78.9
0 to 0.15
Magnesium (Mg), % 0
0.45 to 0.6
Manganese (Mn), % 0.2 to 0.6
0 to 0.030
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
6.5 to 7.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.15