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EN-MC35110 Magnesium vs. SAE-AISI L6 Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while SAE-AISI L6 steel belongs to the iron alloys. There are 23 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 EN-MC35110 magnesium and the bottom bar is SAE-AISI L6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
72
Tensile Strength: Ultimate (UTS), MPa 230
670 to 2090

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 520
1410
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
42
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.6
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 24
2.0
Embodied Energy, MJ/kg 170
28
Embodied Water, L/kg 940
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 34
24 to 74
Strength to Weight: Bending, points 44
22 to 46
Thermal Diffusivity, mm2/s 61
11
Thermal Shock Resistance, points 14
22 to 70

Alloy Composition


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Carbon (C), % 0
0.65 to 0.75
Chromium (Cr), % 0
0.6 to 1.2
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.010
93.6 to 97.3
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0.25 to 0.8
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.0050
1.3 to 2.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 0.75 to 1.8
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0