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AS41B Magnesium vs. N06025 Nickel

AS41B magnesium belongs to the magnesium alloys classification, while N06025 nickel belongs to the nickel alloys. 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 AS41B magnesium and the bottom bar is N06025 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 6.0
32
Fatigue Strength, MPa 97
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 120
500
Tensile Strength: Ultimate (UTS), MPa 210
760
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Maximum Temperature: Mechanical, °C 110
1000
Melting Completion (Liquidus), °C 620
1350
Melting Onset (Solidus), °C 570
1300
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 68
11
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 92
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
50
Density, g/cm3 1.7
8.2
Embodied Carbon, kg CO2/kg material 23
8.4
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 980
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 35
26
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 41
2.9
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
1.8 to 2.4
Carbon (C), % 0
0.15 to 0.25
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.020
0 to 0.1
Iron (Fe), % 0 to 0.0035
8.0 to 11
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 0.15
Nickel (Ni), % 0 to 0.0020
59.2 to 65.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.1 to 0.2
Yttrium (Y), % 0
0.050 to 0.12
Zinc (Zn), % 0 to 0.12
0.010 to 0.1