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AZ91A Magnesium vs. EN 2.4663 Nickel

AZ91A magnesium belongs to the magnesium alloys classification, while EN 2.4663 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 EN 2.4663 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
210
Elongation at Break, % 5.0
40
Fatigue Strength, MPa 99
250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
81
Shear Strength, MPa 140
540
Tensile Strength: Ultimate (UTS), MPa 240
780
Tensile Strength: Yield (Proof), MPa 160
310

Thermal Properties

Latent Heat of Fusion, J/g 360
320
Maximum Temperature: Mechanical, °C 130
1010
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 470
1380
Specific Heat Capacity, J/kg-K 990
450
Thermal Conductivity, W/m-K 73
13
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 52
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.7
8.6
Embodied Carbon, kg CO2/kg material 22
11
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 990
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
250
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230
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
3.5
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
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 0.1
0 to 0.5
Iron (Fe), % 0
0 to 2.0
Magnesium (Mg), % 88.2 to 91.2
0
Manganese (Mn), % 0.13 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 to 0.5
0 to 0.2
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.6
Zinc (Zn), % 0.35 to 1.0
0