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AWS ERNiMo-3 vs. WE54A Magnesium

AWS ERNiMo-3 belongs to the nickel alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 ERNiMo-3 and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
44
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 83
17
Tensile Strength: Ultimate (UTS), MPa 770
270 to 300

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1600
640
Melting Onset (Solidus), °C 1540
570
Specific Heat Capacity, J/kg-K 400
960
Thermal Expansion, µm/m-K 11
25

Otherwise Unclassified Properties

Base Metal Price, % relative 70
34
Density, g/cm3 9.1
1.9
Embodied Carbon, kg CO2/kg material 15
29
Embodied Energy, MJ/kg 190
260
Embodied Water, L/kg 270
900

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
62
Strength to Weight: Axial, points 24
39 to 43
Strength to Weight: Bending, points 21
49 to 51
Thermal Shock Resistance, points 24
18 to 19

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 4.0 to 6.0
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.030
Iron (Fe), % 4.0 to 7.0
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0 to 1.0
0 to 0.030
Molybdenum (Mo), % 23 to 26
0
Nickel (Ni), % 53.7 to 69
0 to 0.0050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 1.0
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Vanadium (V), % 0 to 0.6
0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3