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AWS ERNiCrMo-2 vs. ZK60A Magnesium

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 23 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 AWS ERNiCrMo-2 and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
18
Tensile Strength: Ultimate (UTS), MPa 750
320 to 330

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 450
960
Thermal Conductivity, W/m-K 11
120
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.4
1.9
Embodied Carbon, kg CO2/kg material 9.2
23
Embodied Energy, MJ/kg 120
160
Embodied Water, L/kg 270
940

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
63
Strength to Weight: Axial, points 25
47 to 49
Strength to Weight: Bending, points 22
55 to 56
Thermal Diffusivity, mm2/s 2.9
66
Thermal Shock Resistance, points 20
19 to 20

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
0
Iron (Fe), % 17 to 20
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.2 to 1.0
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3