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EN-MC65220 Magnesium vs. EN 1.3558 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.3558 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 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
230
Elastic (Young's, Tensile) Modulus, GPa 44
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
80
Tensile Strength: Ultimate (UTS), MPa 270
770

Thermal Properties

Latent Heat of Fusion, J/g 340
240
Maximum Temperature: Mechanical, °C 160
490
Melting Completion (Liquidus), °C 610
1810
Melting Onset (Solidus), °C 550
1760
Specific Heat Capacity, J/kg-K 980
410
Thermal Conductivity, W/m-K 110
20
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
13
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
45
Density, g/cm3 1.9
9.3
Embodied Carbon, kg CO2/kg material 27
8.4
Embodied Energy, MJ/kg 210
130

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 62
21
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 49
20
Thermal Diffusivity, mm2/s 61
5.3
Thermal Shock Resistance, points 17
22

Alloy Composition


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Carbon (C), % 0
0.7 to 0.8
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
73.7 to 77.6
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 0.4
Molybdenum (Mo), % 0
0 to 0.6
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
17.5 to 19
Unspecified Rare Earths, % 1.5 to 3.0
0
Vanadium (V), % 0
1.0 to 1.3
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0