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AS41A Magnesium vs. EN 2.4663 Nickel

AS41A magnesium belongs to the magnesium alloys classification, while EN 2.4663 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 AS41A magnesium and the bottom bar is EN 2.4663 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 11
40
Fatigue Strength, MPa 100
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
81
Shear Strength, MPa 130
540
Tensile Strength: Ultimate (UTS), MPa 230
780
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Maximum Temperature: Mechanical, °C 110
1010
Melting Completion (Liquidus), °C 620
1430
Melting Onset (Solidus), °C 570
1380
Specific Heat Capacity, J/kg-K 1000
450
Thermal Conductivity, W/m-K 68
13
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 92
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.6
8.6
Embodied Carbon, kg CO2/kg material 23
11
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 980
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
250
Resilience: Unit (Modulus of Resilience), kJ/m3 220
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 50
22
Thermal Diffusivity, mm2/s 41
3.5
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0.7 to 1.4
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
11 to 14
Copper (Cu), % 0 to 0.060
0 to 0.5
Iron (Fe), % 0
0 to 2.0
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.2
Molybdenum (Mo), % 0
8.5 to 10
Nickel (Ni), % 0 to 0.030
48 to 59.6
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.5 to 1.5
0 to 0.2
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.6
Zinc (Zn), % 0 to 0.12
0