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EN 2.4654 Nickel vs. R31233 Cobalt

EN 2.4654 nickel belongs to the nickel alloys classification, while R31233 cobalt belongs to the cobalt alloys. They have 48% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 2.4654 nickel and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 17
17
Fatigue Strength, MPa 460
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
85
Tensile Strength: Ultimate (UTS), MPa 1250
1020
Tensile Strength: Yield (Proof), MPa 850
420

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1390
1350
Melting Onset (Solidus), °C 1330
1330
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 10
8.4
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 340
480

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1810
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 42
33
Strength to Weight: Bending, points 31
26
Thermal Diffusivity, mm2/s 3.3
3.2
Thermal Shock Resistance, points 37
25

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0 to 0.015
Carbon (C), % 0.020 to 0.1
0.020 to 0.1
Chromium (Cr), % 18 to 21
23.5 to 27.5
Cobalt (Co), % 12 to 15
44.7 to 63.3
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 2.0
1.0 to 5.0
Manganese (Mn), % 0 to 1.0
0.1 to 1.5
Molybdenum (Mo), % 3.5 to 5.0
4.0 to 6.0
Nickel (Ni), % 50.6 to 62.5
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.15
0.050 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 2.8 to 3.3
0
Tungsten (W), % 0
1.0 to 3.0
Zirconium (Zr), % 0.020 to 0.080
0