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EN-MC32110 Magnesium vs. EN 1.6579 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.6579 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
11 to 14
Fatigue Strength, MPa 80
380 to 570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 220
850 to 980
Tensile Strength: Yield (Proof), MPa 140
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 99
440
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.7
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
1.7
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 920
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
950 to 2210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
30 to 35
Strength to Weight: Bending, points 38
25 to 28
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 12
25 to 29

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0.32 to 0.38
Chromium (Cr), % 0
1.4 to 1.7
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
94.2 to 96.1
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.35
Nickel (Ni), % 0 to 0.010
1.4 to 1.7
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0