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AWS ENi-1 vs. QE22A Magnesium

AWS ENi-1 belongs to the nickel alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, 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 AWS ENi-1 and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
44
Elongation at Break, % 22
2.4
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
17
Tensile Strength: Ultimate (UTS), MPa 470
250

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1310
570
Specific Heat Capacity, J/kg-K 450
970
Thermal Conductivity, W/m-K 73
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
25
Electrical Conductivity: Equal Weight (Specific), % IACS 19
120

Otherwise Unclassified Properties

Density, g/cm3 8.7
2.0
Embodied Carbon, kg CO2/kg material 11
27
Embodied Energy, MJ/kg 150
220

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
60
Strength to Weight: Axial, points 15
36
Strength to Weight: Bending, points 15
46
Thermal Diffusivity, mm2/s 19
59
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 1.0
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.75
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 0.75
0
Nickel (Ni), % 92 to 99
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 1.0 to 4.0
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3