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AWS ERNiCrCoMo-1 vs. QE22A Magnesium

AWS ERNiCrCoMo-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 ERNiCrCoMo-1 and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
44
Elongation at Break, % 28
2.4
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
17
Tensile Strength: Ultimate (UTS), MPa 710
250

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1370
570
Specific Heat Capacity, J/kg-K 450
970
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
120

Otherwise Unclassified Properties

Density, g/cm3 8.5
2.0
Embodied Carbon, kg CO2/kg material 10
27
Embodied Energy, MJ/kg 140
220

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
60
Strength to Weight: Axial, points 23
36
Strength to Weight: Bending, points 21
46
Thermal Diffusivity, mm2/s 3.5
59
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 20 to 24
0
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.1
Iron (Fe), % 0 to 3.0
0
Magnesium (Mg), % 0
93.1 to 95.8
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 42.7 to 61.2
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.6
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3