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SAE-AISI M62 Steel vs. WE54A Magnesium

SAE-AISI M62 steel belongs to the iron alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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 WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
44
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
17
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
270 to 300

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1650
640
Melting Onset (Solidus), °C 1600
570
Specific Heat Capacity, J/kg-K 430
960
Thermal Expansion, µm/m-K 12
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 8.5
1.9
Embodied Carbon, kg CO2/kg material 10
29
Embodied Energy, MJ/kg 150
260
Embodied Water, L/kg 110
900

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
62
Strength to Weight: Axial, points 27 to 80
39 to 43
Strength to Weight: Bending, points 23 to 47
49 to 51
Thermal Shock Resistance, points 24 to 71
18 to 19

Alloy Composition

Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
0 to 0.030
Iron (Fe), % 73.6 to 77.4
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0.15 to 0.4
0 to 0.030
Molybdenum (Mo), % 10 to 11
0
Nickel (Ni), % 0 to 0.3
0 to 0.0050
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.8 to 6.5
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Vanadium (V), % 1.8 to 2.1
0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3