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EN-MC65220 Magnesium vs. SAE-AISI M62 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while SAE-AISI M62 steel belongs to the iron alloys. There are 18 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 EN-MC65220 magnesium and the bottom bar is SAE-AISI M62 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Melting Completion (Liquidus), °C 610
1650
Melting Onset (Solidus), °C 550
1600
Specific Heat Capacity, J/kg-K 980
430
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
30
Density, g/cm3 1.9
8.5
Embodied Carbon, kg CO2/kg material 27
10
Embodied Energy, MJ/kg 210
150

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 62
23
Strength to Weight: Axial, points 40
27 to 80
Strength to Weight: Bending, points 49
23 to 47
Thermal Shock Resistance, points 17
24 to 71

Alloy Composition


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Carbon (C), % 0
1.3 to 1.4
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 0.050 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.010
73.6 to 77.4
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.15 to 0.4
Molybdenum (Mo), % 0
10 to 11
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0.15 to 0.4
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.8 to 6.5
Unspecified Rare Earths, % 1.5 to 3.0
0
Vanadium (V), % 0
1.8 to 2.1
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0