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SAE-AISI M62 Steel vs. 851.0 Aluminum

SAE-AISI M62 steel belongs to the iron alloys classification, while 851.0 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, 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 851.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
130 to 140

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Melting Completion (Liquidus), °C 1650
630
Melting Onset (Solidus), °C 1600
360
Specific Heat Capacity, J/kg-K 430
850
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 30
14
Density, g/cm3 8.5
3.1
Embodied Carbon, kg CO2/kg material 10
8.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 110
1140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 27 to 80
12 to 13
Strength to Weight: Bending, points 23 to 47
19 to 20
Thermal Shock Resistance, points 24 to 71
6.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
86.6 to 91.5
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
0.7 to 1.3
Iron (Fe), % 73.6 to 77.4
0 to 0.7
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.1
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
0.3 to 0.7
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0
Residuals, % 0
0 to 0.3