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AZ91B Magnesium vs. EN 1.4889 Cast Nickel

AZ91B magnesium belongs to the magnesium alloys classification, while EN 1.4889 cast nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.4889 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
200
Elongation at Break, % 5.0
3.4
Fatigue Strength, MPa 79
110
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 18
79
Tensile Strength: Ultimate (UTS), MPa 240
500
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 360
350
Maximum Temperature: Mechanical, °C 130
1160
Melting Completion (Liquidus), °C 600
1360
Melting Onset (Solidus), °C 470
1320
Specific Heat Capacity, J/kg-K 990
480
Thermal Expansion, µm/m-K 26
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
55
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 22
8.5
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 990
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
14
Resilience: Unit (Modulus of Resilience), kJ/m3 280
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 69
25
Strength to Weight: Axial, points 38
18
Strength to Weight: Bending, points 49
18
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 8.3 to 9.7
0
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
32.5 to 37.5
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 0
10.5 to 21.2
Magnesium (Mg), % 87.9 to 91.2
0
Manganese (Mn), % 0.13 to 0.5
1.0 to 1.5
Nickel (Ni), % 0 to 0.030
42 to 46
Niobium (Nb), % 0
1.5 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
1.5 to 2.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.35 to 1.0
0