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AWS ERNiCrMo-2 vs. ZC63A Magnesium

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 ERNiCrMo-2 and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
48
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
19
Tensile Strength: Ultimate (UTS), MPa 750
220

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1460
550
Melting Onset (Solidus), °C 1410
470
Specific Heat Capacity, J/kg-K 450
950
Thermal Conductivity, W/m-K 11
120
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
32
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.4
2.1
Embodied Carbon, kg CO2/kg material 9.2
22
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 270
920

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
58
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 22
38
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
2.4 to 3.0
Iron (Fe), % 17 to 20
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 1.0
0.25 to 0.75
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.2 to 1.0
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3