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EN-MC35110 Magnesium vs. SAE-AISI M52 Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while SAE-AISI M52 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 M52 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
75
Tensile Strength: Ultimate (UTS), MPa 230
710 to 2280

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 600
1510
Melting Onset (Solidus), °C 520
1470
Specific Heat Capacity, J/kg-K 970
460
Thermal Conductivity, W/m-K 110
31
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 130
10

Otherwise Unclassified Properties

Base Metal Price, % relative 18
12
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 24
7.5
Embodied Energy, MJ/kg 170
110
Embodied Water, L/kg 940
89

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 34
25 to 80
Strength to Weight: Bending, points 44
22 to 49
Thermal Diffusivity, mm2/s 61
8.4
Thermal Shock Resistance, points 14
21 to 67

Alloy Composition


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Carbon (C), % 0
0.85 to 1.0
Chromium (Cr), % 0
3.5 to 4.3
Copper (Cu), % 0 to 0.030
0 to 0.25
Iron (Fe), % 0 to 0.010
84.4 to 88.9
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0.15 to 0.45
Molybdenum (Mo), % 0
4.0 to 4.9
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0.2 to 0.6
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.75 to 1.5
Unspecified Rare Earths, % 0.75 to 1.8
0
Vanadium (V), % 0
1.7 to 2.3
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0