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AISI W5 Steel vs. EN-MC65120 Magnesium

AISI W5 steel belongs to the iron alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 AISI W5 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 72
17
Tensile Strength: Ultimate (UTS), MPa 600 to 2360
160

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1450
590
Melting Onset (Solidus), °C 1410
520
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 45
100
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
25
Density, g/cm3 7.8
1.9
Embodied Carbon, kg CO2/kg material 1.6
25
Embodied Energy, MJ/kg 21
190
Embodied Water, L/kg 48
930

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
62
Strength to Weight: Axial, points 21 to 84
23
Strength to Weight: Bending, points 20 to 50
34
Thermal Diffusivity, mm2/s 12
56
Thermal Shock Resistance, points 20 to 78
9.8

Alloy Composition

Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0 to 0.2
0 to 0.030
Iron (Fe), % 96.6 to 98.4
0 to 0.010
Magnesium (Mg), % 0
91.8 to 95.1
Manganese (Mn), % 0.1 to 0.4
0 to 0.15
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0 to 0.0050
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 0.15
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010