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AZ31C Magnesium vs. AWS ENiCrMo-10

AZ31C magnesium belongs to the magnesium alloys classification, while AWS ENiCrMo-10 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 AZ31C magnesium and the bottom bar is AWS ENiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 12
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
84
Tensile Strength: Ultimate (UTS), MPa 260
710

Thermal Properties

Latent Heat of Fusion, J/g 350
320
Melting Completion (Liquidus), °C 600
1550
Melting Onset (Solidus), °C 550
1490
Specific Heat Capacity, J/kg-K 990
420
Thermal Conductivity, W/m-K 130
10
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 98
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
70
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
12
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 970
300

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 70
23
Strength to Weight: Axial, points 42
22
Strength to Weight: Bending, points 53
20
Thermal Diffusivity, mm2/s 74
2.7
Thermal Shock Resistance, points 16
19

Alloy Composition

Aluminum (Al), % 2.4 to 3.6
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 0
2.0 to 6.0
Magnesium (Mg), % 93.4 to 97
0
Manganese (Mn), % 0.15 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.030
48.4 to 63
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.2
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0.5 to 1.5
0
Residuals, % 0
0 to 0.5