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SAE-AISI M62 Steel vs. 3103 Aluminum

SAE-AISI M62 steel belongs to the iron alloys classification, while 3103 aluminum belongs to the aluminum alloys. There are 19 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 M62 steel and the bottom bar is 3103 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 79
26
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Melting Completion (Liquidus), °C 1650
660
Melting Onset (Solidus), °C 1600
640
Specific Heat Capacity, J/kg-K 430
900
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.5
2.8
Embodied Carbon, kg CO2/kg material 10
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 110
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 27 to 80
10 to 22
Strength to Weight: Bending, points 23 to 47
18 to 30
Thermal Shock Resistance, points 24 to 71
4.6 to 9.9

Alloy Composition

Aluminum (Al), % 0
96.3 to 99.1
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.5 to 4.0
0 to 0.1
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 73.6 to 77.4
0 to 0.7
Magnesium (Mg), % 0
0 to 0.3
Manganese (Mn), % 0.15 to 0.4
0.9 to 1.5
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants