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AS41B Magnesium vs. Nickel 22

AS41B magnesium belongs to the magnesium alloys classification, while nickel 22 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 nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 6.0
49
Fatigue Strength, MPa 97
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
84
Shear Strength, MPa 120
560
Tensile Strength: Ultimate (UTS), MPa 210
790
Tensile Strength: Yield (Proof), MPa 140
360

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Maximum Temperature: Mechanical, °C 110
990
Melting Completion (Liquidus), °C 620
1390
Melting Onset (Solidus), °C 570
1360
Specific Heat Capacity, J/kg-K 1000
430
Thermal Conductivity, W/m-K 68
10
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 92
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
170
Embodied Water, L/kg 980
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
320
Resilience: Unit (Modulus of Resilience), kJ/m3 220
300
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
22
Strength to Weight: Axial, points 35
25
Strength to Weight: Bending, points 47
21
Thermal Diffusivity, mm2/s 41
2.7
Thermal Shock Resistance, points 13
24

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.0035
2.0 to 6.0
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.0020
50.8 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.12
0