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EN 1.5024 Steel vs. QE22A Magnesium

EN 1.5024 steel belongs to the iron alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 1.5024 steel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 470
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
17
Tensile Strength: Ultimate (UTS), MPa 670 to 1930
250

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Maximum Temperature: Mechanical, °C 400
250
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
970
Thermal Conductivity, W/m-K 50
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
120

Otherwise Unclassified Properties

Density, g/cm3 7.7
2.0
Embodied Carbon, kg CO2/kg material 1.4
27
Embodied Energy, MJ/kg 19
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
60
Strength to Weight: Axial, points 24 to 69
36
Strength to Weight: Bending, points 22 to 45
46
Thermal Diffusivity, mm2/s 14
59
Thermal Shock Resistance, points 20 to 58
15

Alloy Composition

Carbon (C), % 0.42 to 0.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 96.7 to 97.6
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0.5 to 0.8
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.5 to 2.0
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.025
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3