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AZ91B Magnesium vs. Nickel 600

AZ91B magnesium belongs to the magnesium alloys classification, while nickel 600 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 nickel 600.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
190
Elongation at Break, % 5.0
3.4 to 35
Fatigue Strength, MPa 79
220 to 300
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
75
Shear Strength, MPa 140
430 to 570
Tensile Strength: Ultimate (UTS), MPa 240
650 to 990
Tensile Strength: Yield (Proof), MPa 160
270 to 760

Thermal Properties

Latent Heat of Fusion, J/g 360
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 600
1410
Melting Onset (Solidus), °C 470
1350
Specific Heat Capacity, J/kg-K 990
460
Thermal Conductivity, W/m-K 73
14
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
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
31 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190 to 1490
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
23
Strength to Weight: Axial, points 38
21 to 32
Strength to Weight: Bending, points 49
20 to 26
Thermal Diffusivity, mm2/s 42
3.6
Thermal Shock Resistance, points 14
19 to 29

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
0
Carbon (C), % 0
0 to 0.15
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
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0.35 to 1.0
0