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EN 1.8823 Steel vs. QE22A Magnesium

EN 1.8823 steel belongs to the iron alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 1.8823 steel and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 25
2.4
Fatigue Strength, MPa 270
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Shear Strength, MPa 340
150
Tensile Strength: Ultimate (UTS), MPa 530
250
Tensile Strength: Yield (Proof), MPa 360
190

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 410
250
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
570
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 47
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
120

Otherwise Unclassified Properties

Density, g/cm3 7.8
2.0
Embodied Carbon, kg CO2/kg material 1.6
27
Embodied Energy, MJ/kg 22
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 360
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
60
Strength to Weight: Axial, points 19
36
Strength to Weight: Bending, points 19
46
Thermal Diffusivity, mm2/s 13
59
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.16
0
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0 to 0.6
0 to 0.1
Iron (Fe), % 95.6 to 99.985
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 1.7
0
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.55
0 to 0.010
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.55
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.060
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3