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EN 2.4878 Nickel vs. EQ21A Magnesium

EN 2.4878 nickel belongs to the nickel alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 EN 2.4878 nickel and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 13 to 17
2.4
Fatigue Strength, MPa 400 to 410
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
17
Shear Strength, MPa 750 to 760
150
Tensile Strength: Ultimate (UTS), MPa 1210 to 1250
250
Tensile Strength: Yield (Proof), MPa 740 to 780
190

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 1030
160
Melting Completion (Liquidus), °C 1370
640
Melting Onset (Solidus), °C 1320
560
Specific Heat Capacity, J/kg-K 460
980
Thermal Conductivity, W/m-K 11
110
Thermal Expansion, µm/m-K 12
27

Otherwise Unclassified Properties

Base Metal Price, % relative 80
80
Density, g/cm3 8.3
1.9
Embodied Carbon, kg CO2/kg material 10
27
Embodied Energy, MJ/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 180
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 1540
410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
63
Strength to Weight: Axial, points 41 to 42
37
Strength to Weight: Bending, points 31
47
Thermal Diffusivity, mm2/s 2.8
62
Thermal Shock Resistance, points 37 to 39
15

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.010 to 0.015
0
Carbon (C), % 0.030 to 0.070
0
Chromium (Cr), % 23 to 25
0
Cobalt (Co), % 19 to 21
0
Copper (Cu), % 0 to 0.2
0.050 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0
93.9 to 96.8
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 43.6 to 52.2
0 to 0.010
Niobium (Nb), % 0.7 to 1.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.0070
0
Tantalum (Ta), % 0 to 0.050
0
Titanium (Ti), % 2.8 to 3.2
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zirconium (Zr), % 0.030 to 0.070
0.4 to 1.0
Residuals, % 0
0 to 0.3