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EN 1.5662 Steel vs. QE22A Magnesium

EN 1.5662 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 (9, 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 1.5662 steel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 20
2.4
Fatigue Strength, MPa 380 to 450
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Shear Strength, MPa 460 to 470
150
Tensile Strength: Ultimate (UTS), MPa 740 to 750
250
Tensile Strength: Yield (Proof), MPa 550 to 660
190

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 430
250
Melting Completion (Liquidus), °C 1460
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 8.0
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 140 to 150
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1150
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
60
Strength to Weight: Axial, points 26
36
Strength to Weight: Bending, points 23
46
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 88.6 to 91.2
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 10
0 to 0.010
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 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