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EN-MC65220 Magnesium vs. EN 1.7367 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.7367 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.7367 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
18
Fatigue Strength, MPa 110
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
75
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 200
460

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Mechanical, °C 160
600
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 980
470
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
10

Otherwise Unclassified Properties

Base Metal Price, % relative 80
7.0
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 27
2.6
Embodied Energy, MJ/kg 210
37

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
560
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 61
6.9
Thermal Shock Resistance, points 17
19

Alloy Composition


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Aluminum (Al), % 0
0 to 0.020
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
87.3 to 90.3
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.0050
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0.2 to 0.5
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Unspecified Rare Earths, % 1.5 to 3.0
0
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0 to 0.010
Residuals, % 0 to 0.010
0