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EN-MC21210 Magnesium vs. EN 1.7366 Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN 1.7366 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
17 to 19
Fatigue Strength, MPa 70
160 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 110
290 to 440
Tensile Strength: Ultimate (UTS), MPa 190
460 to 710
Tensile Strength: Yield (Proof), MPa 90
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 100
510
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
40
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.3
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 24
1.7
Embodied Energy, MJ/kg 160
23
Embodied Water, L/kg 980
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 92
140 to 600
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
16 to 25
Strength to Weight: Bending, points 44
17 to 23
Thermal Diffusivity, mm2/s 76
11
Thermal Shock Resistance, points 11
13 to 20

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
91.9 to 95.3
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0