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EN 1.5418 Steel vs. EN-MC65120 Magnesium

EN 1.5418 steel belongs to the iron alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 1.5418 steel and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Tensile Strength: Ultimate (UTS), MPa 490 to 1780
160

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 48
100
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
25
Density, g/cm3 7.8
1.9
Embodied Carbon, kg CO2/kg material 1.5
25
Embodied Energy, MJ/kg 19
190
Embodied Water, L/kg 47
930

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
62
Strength to Weight: Axial, points 17 to 63
23
Strength to Weight: Bending, points 18 to 42
34
Thermal Diffusivity, mm2/s 13
56
Thermal Shock Resistance, points 14 to 53
9.8

Alloy Composition

Carbon (C), % 0.35 to 0.4
0
Copper (Cu), % 0 to 0.25
0 to 0.030
Iron (Fe), % 97.8 to 98.9
0 to 0.010
Magnesium (Mg), % 0
91.8 to 95.1
Manganese (Mn), % 0.6 to 0.9
0 to 0.15
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.010
Sulfur (S), % 0 to 0.025
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010