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AZ91B Magnesium vs. EN 2.4816 Nickel

AZ91B magnesium belongs to the magnesium alloys classification, while EN 2.4816 nickel belongs to the nickel alloys. There are 31 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 AZ91B magnesium and the bottom bar is EN 2.4816 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
170
Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 5.0
34
Fatigue Strength, MPa 79
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
74
Shear Strength, MPa 140
470
Tensile Strength: Ultimate (UTS), MPa 240
700
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 360
310
Maximum Temperature: Mechanical, °C 130
1150
Melting Completion (Liquidus), °C 600
1370
Melting Onset (Solidus), °C 470
1320
Specific Heat Capacity, J/kg-K 990
460
Thermal Conductivity, W/m-K 73
15
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 58
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
55
Density, g/cm3 1.7
8.5
Embodied Carbon, kg CO2/kg material 22
9.0
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 990
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
190
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
23
Strength to Weight: Axial, points 38
23
Strength to Weight: Bending, points 49
21
Thermal Diffusivity, mm2/s 42
3.8
Thermal Shock Resistance, points 14
20

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
0 to 0.3
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 0 to 0.35
0 to 0.5
Iron (Fe), % 0
6.0 to 10
Magnesium (Mg), % 87.9 to 91.2
0
Manganese (Mn), % 0.13 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.030
72 to 80
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.3
Zinc (Zn), % 0.35 to 1.0
0