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EN-MC65220 Magnesium vs. EN 1.3551 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.3551 steel belongs to the iron alloys. There are 24 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-MC65220 magnesium and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
220
Elastic (Young's, Tensile) Modulus, GPa 44
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
75
Tensile Strength: Ultimate (UTS), MPa 270
720

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 160
530
Melting Completion (Liquidus), °C 610
1490
Melting Onset (Solidus), °C 550
1450
Specific Heat Capacity, J/kg-K 980
460
Thermal Conductivity, W/m-K 110
36
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.0
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 27
4.9
Embodied Energy, MJ/kg 210
71

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
24
Strength to Weight: Axial, points 40
26
Strength to Weight: Bending, points 49
23
Thermal Diffusivity, mm2/s 61
9.8
Thermal Shock Resistance, points 17
21

Alloy Composition


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Carbon (C), % 0
0.77 to 0.85
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 0.050 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.010
88.8 to 91.1
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
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), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Unspecified Rare Earths, % 1.5 to 3.0
0
Vanadium (V), % 0
0.9 to 1.1
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0