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EN-MC21210 Magnesium vs. EN 1.8519 Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN 1.8519 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 1.8519 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
360
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
10
Fatigue Strength, MPa 70
630
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
73
Shear Strength, MPa 110
710
Tensile Strength: Ultimate (UTS), MPa 190
1200
Tensile Strength: Yield (Proof), MPa 90
1030

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Maximum Temperature: Mechanical, °C 100
450
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
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.1
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 24
1.9
Embodied Energy, MJ/kg 160
26
Embodied Water, L/kg 980
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
120
Resilience: Unit (Modulus of Resilience), kJ/m3 92
2790
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 32
43
Strength to Weight: Bending, points 44
32
Thermal Diffusivity, mm2/s 76
11
Thermal Shock Resistance, points 11
35

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0.27 to 0.34
Chromium (Cr), % 0
2.3 to 2.7
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
95.7 to 97.1
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
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 0.035
Vanadium (V), % 0
0.1 to 0.2
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0