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EN 2.4951 Nickel vs. EN-MC21210 Magnesium

EN 2.4951 nickel belongs to the nickel alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys. 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 2.4951 nickel and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
48
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 34
14
Fatigue Strength, MPa 200
70
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
17
Shear Strength, MPa 500
110
Tensile Strength: Ultimate (UTS), MPa 750
190
Tensile Strength: Yield (Proof), MPa 270
90

Thermal Properties

Latent Heat of Fusion, J/g 320
350
Maximum Temperature: Mechanical, °C 1150
100
Melting Completion (Liquidus), °C 1360
600
Melting Onset (Solidus), °C 1310
570
Specific Heat Capacity, J/kg-K 460
1000
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 12
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
24
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
130

Otherwise Unclassified Properties

Base Metal Price, % relative 60
12
Density, g/cm3 8.5
1.6
Embodied Carbon, kg CO2/kg material 9.3
24
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 280
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
22
Resilience: Unit (Modulus of Resilience), kJ/m3 190
92
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
72
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 22
44
Thermal Diffusivity, mm2/s 3.1
76
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 0 to 0.3
1.6 to 2.6
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 0 to 0.5
0 to 0.010
Iron (Fe), % 0 to 5.0
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0 to 1.0
0.1 to 0.7
Nickel (Ni), % 65.4 to 81.7
0 to 0.0020
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.2 to 0.6
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010