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AS41B Magnesium vs. Nickel 59

AS41B magnesium belongs to the magnesium alloys classification, while nickel 59 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 AS41B magnesium and the bottom bar is nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 6.0
50
Fatigue Strength, MPa 97
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
84
Shear Strength, MPa 120
560
Tensile Strength: Ultimate (UTS), MPa 210
780
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 110
990
Melting Completion (Liquidus), °C 620
1500
Melting Onset (Solidus), °C 570
1450
Specific Heat Capacity, J/kg-K 1000
430
Thermal Conductivity, W/m-K 68
10
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
65
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
12
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
320
Resilience: Unit (Modulus of Resilience), kJ/m3 220
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 35
25
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 41
2.7
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0.1 to 0.4
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0 to 0.020
0 to 0.5
Iron (Fe), % 0 to 0.0035
0 to 1.5
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0 to 0.5
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 0 to 0.0020
56.2 to 62.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.5 to 1.5
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.12
0