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EN 1.5682 Steel vs. QE22A Magnesium

EN 1.5682 steel belongs to the iron alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 27 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 EN 1.5682 steel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 21
2.4
Fatigue Strength, MPa 400
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
17
Shear Strength, MPa 480
150
Tensile Strength: Ultimate (UTS), MPa 770
250
Tensile Strength: Yield (Proof), MPa 570
190

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Maximum Temperature: Mechanical, °C 430
250
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
570
Specific Heat Capacity, J/kg-K 470
970
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
120

Otherwise Unclassified Properties

Density, g/cm3 7.9
2.0
Embodied Carbon, kg CO2/kg material 2.3
27
Embodied Energy, MJ/kg 31
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 870
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
60
Strength to Weight: Axial, points 27
36
Strength to Weight: Bending, points 23
46
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.13
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 88.7 to 91.1
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 8.5 to 9.5
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.0050
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Vanadium (V), % 0 to 0.050
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3