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QE22A Magnesium vs. ASTM A182 Grade F23

QE22A magnesium belongs to the magnesium alloys classification, while ASTM A182 grade F23 belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, 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 QE22A magnesium and the bottom bar is ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.4
22
Fatigue Strength, MPa 110
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 150
360
Tensile Strength: Ultimate (UTS), MPa 250
570
Tensile Strength: Yield (Proof), MPa 190
460

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 250
450
Melting Completion (Liquidus), °C 640
1500
Melting Onset (Solidus), °C 570
1450
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
41
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.9

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.0
Embodied Carbon, kg CO2/kg material 27
2.5
Embodied Energy, MJ/kg 220
36

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
120
Resilience: Unit (Modulus of Resilience), kJ/m3 400
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 60
24
Strength to Weight: Axial, points 36
20
Strength to Weight: Bending, points 46
19
Thermal Diffusivity, mm2/s 59
11
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
1.9 to 2.6
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
93.2 to 96.2
Magnesium (Mg), % 93.1 to 95.8
0
Manganese (Mn), % 0
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 0 to 0.010
0 to 0.4
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Unspecified Rare Earths, % 1.8 to 2.5
0
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0