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AWS ERNiFeCr-2 vs. AZ63A Magnesium

AWS ERNiFeCr-2 belongs to the nickel alloys classification, while AZ63A magnesium belongs to the magnesium alloys. There are 24 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 ERNiFeCr-2 and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 28
2.2 to 8.0
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
18
Tensile Strength: Ultimate (UTS), MPa 1300
190 to 270

Thermal Properties

Latent Heat of Fusion, J/g 310
350
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1410
450
Specific Heat Capacity, J/kg-K 450
980
Thermal Conductivity, W/m-K 12
52 to 65
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 75
12
Density, g/cm3 8.3
1.8
Embodied Carbon, kg CO2/kg material 13
22
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 250
970

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
66
Strength to Weight: Axial, points 43
29 to 41
Strength to Weight: Bending, points 32
40 to 51
Thermal Diffusivity, mm2/s 3.2
29 to 37
Thermal Shock Resistance, points 38
11 to 16

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
5.3 to 6.7
Boron (B), % 0 to 0.0030
0
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 11.6 to 24.6
0
Magnesium (Mg), % 0
88.6 to 92.1
Manganese (Mn), % 0 to 0.35
0.15 to 0.35
Molybdenum (Mo), % 2.8 to 3.3
0
Nickel (Ni), % 50 to 55
0 to 0.010
Niobium (Nb), % 4.8 to 5.5
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.65 to 1.2
0
Zinc (Zn), % 0
2.5 to 3.5
Residuals, % 0
0 to 0.3