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EN-MC65210 Magnesium vs. EN 1.7240 Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while EN 1.7240 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-MC65210 magnesium and the bottom bar is EN 1.7240 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 44
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Tensile Strength: Ultimate (UTS), MPa 270
670 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
44
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.4

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 27
1.5
Embodied Energy, MJ/kg 220
20

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
24
Strength to Weight: Axial, points 38
24 to 71
Strength to Weight: Bending, points 47
22 to 45
Thermal Diffusivity, mm2/s 58
12
Thermal Shock Resistance, points 17
20 to 59

Alloy Composition


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Carbon (C), % 0
0.56 to 0.64
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
96.7 to 97.9
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0.7 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0 to 0.4
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.025
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0