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EN-MC21210 Magnesium vs. EN 1.5408 Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN 1.5408 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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-MC21210 magnesium and the bottom bar is EN 1.5408 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
140 to 160
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 190
460 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 100
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 570
1420
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.0
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 24
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 980
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 32
16 to 57
Strength to Weight: Bending, points 44
17 to 39
Thermal Diffusivity, mm2/s 76
13
Thermal Shock Resistance, points 11
13 to 48

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.28 to 0.32
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.010
0 to 0.25
Iron (Fe), % 0 to 0.0050
97.7 to 98.8
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0.8 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.12
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0