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AZ91A Magnesium vs. N06200 Nickel

AZ91A magnesium belongs to the magnesium alloys classification, while N06200 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 AZ91A magnesium and the bottom bar is N06200 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
220
Elongation at Break, % 5.0
51
Fatigue Strength, MPa 99
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
84
Shear Strength, MPa 140
560
Tensile Strength: Ultimate (UTS), MPa 240
780
Tensile Strength: Yield (Proof), MPa 160
320

Thermal Properties

Latent Heat of Fusion, J/g 360
330
Maximum Temperature: Mechanical, °C 130
990
Melting Completion (Liquidus), °C 600
1500
Melting Onset (Solidus), °C 470
1450
Specific Heat Capacity, J/kg-K 990
430
Thermal Conductivity, W/m-K 73
9.1
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 52
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
65
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 22
12
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
320
Resilience: Unit (Modulus of Resilience), kJ/m3 280
240
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
23
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 42
2.4
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
0 to 0.5
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
22 to 24
Cobalt (Co), % 0
0 to 2.0
Copper (Cu), % 0 to 0.1
1.3 to 1.9
Iron (Fe), % 0
0 to 3.0
Magnesium (Mg), % 88.2 to 91.2
0
Manganese (Mn), % 0.13 to 0.5
0 to 0.010
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0 to 0.030
51 to 61.7
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0.35 to 1.0
0