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EN-MC32110 Magnesium vs. SAE-AISI A2 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while SAE-AISI A2 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-MC32110 magnesium and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
74
Tensile Strength: Ultimate (UTS), MPa 220
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
38
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
5.5
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
38
Embodied Water, L/kg 920
73

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
25 to 73
Strength to Weight: Bending, points 38
23 to 46
Thermal Diffusivity, mm2/s 58
10
Thermal Shock Resistance, points 12
25 to 71

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 2.4 to 3.0
0 to 0.25
Iron (Fe), % 0 to 0.050
89.4 to 93.3
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.15 to 0.5
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0