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SAE-AISI M62 Steel vs. EN AC-45100 Aluminum

SAE-AISI M62 steel belongs to the iron alloys classification, while EN AC-45100 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 M62 steel and the bottom bar is EN AC-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
300 to 360

Thermal Properties

Latent Heat of Fusion, J/g 260
470
Melting Completion (Liquidus), °C 1650
630
Melting Onset (Solidus), °C 1600
550
Specific Heat Capacity, J/kg-K 430
890
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Base Metal Price, % relative 30
10
Density, g/cm3 8.5
2.8
Embodied Carbon, kg CO2/kg material 10
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 110
1100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 27 to 80
30 to 35
Strength to Weight: Bending, points 23 to 47
35 to 39
Thermal Shock Resistance, points 24 to 71
14 to 16

Alloy Composition

Aluminum (Al), % 0
88 to 92.8
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
2.6 to 3.6
Iron (Fe), % 73.6 to 77.4
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.45
Manganese (Mn), % 0.15 to 0.4
0 to 0.55
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
4.5 to 6.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15