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AM60B Magnesium vs. AWS ENiCrMo-3

AM60B magnesium belongs to the magnesium alloys classification, while AWS ENiCrMo-3 belongs to the nickel 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 AM60B magnesium and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 11
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 230
870

Thermal Properties

Latent Heat of Fusion, J/g 350
330
Melting Completion (Liquidus), °C 620
1480
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 1000
440
Thermal Conductivity, W/m-K 61
11
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 72
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 1.7
8.6
Embodied Carbon, kg CO2/kg material 23
14
Embodied Energy, MJ/kg 160
190
Embodied Water, L/kg 990
290

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
23
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 50
24
Thermal Diffusivity, mm2/s 37
2.8
Thermal Shock Resistance, points 14
25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0 to 0.010
0 to 0.5
Iron (Fe), % 0 to 0.0050
0 to 7.0
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.0020
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.22
0
Residuals, % 0
0 to 0.5