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EN-MC65220 Magnesium vs. EN 1.7362 Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.7362 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-MC65220 magnesium and the bottom bar is EN 1.7362 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
21 to 22
Fatigue Strength, MPa 110
140 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 150
320 to 370
Tensile Strength: Ultimate (UTS), MPa 270
510 to 600
Tensile Strength: Yield (Proof), MPa 200
200 to 360

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 160
510
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
40
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 80
4.5
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 27
1.8
Embodied Energy, MJ/kg 210
23

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
100 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 40
18 to 21
Strength to Weight: Bending, points 49
18 to 20
Thermal Diffusivity, mm2/s 61
11
Thermal Shock Resistance, points 17
14 to 17

Alloy Composition


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Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0.050 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.010
91.5 to 95.2
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.0050
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.5
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.0050
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0