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EN 2.4650 Nickel vs. R30006 Cobalt

EN 2.4650 nickel belongs to the nickel alloys classification, while R30006 cobalt belongs to the cobalt alloys. They have 43% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 2.4650 nickel and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 34
1.0
Fatigue Strength, MPa 480
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
85
Tensile Strength: Ultimate (UTS), MPa 1090
900
Tensile Strength: Yield (Proof), MPa 650
540

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1350
1290
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.6
Embodied Carbon, kg CO2/kg material 10
7.8
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 360
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 36
29
Strength to Weight: Bending, points 28
24
Thermal Diffusivity, mm2/s 3.1
3.9
Thermal Shock Resistance, points 33
26

Alloy Composition

Aluminum (Al), % 0.3 to 0.6
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0.9 to 1.4
Chromium (Cr), % 19 to 21
27 to 32
Cobalt (Co), % 19 to 21
48.6 to 68.1
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
0 to 3.0
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 5.6 to 6.1
0 to 1.0
Nickel (Ni), % 46.9 to 54.2
0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.0070
0
Titanium (Ti), % 1.9 to 2.4
0
Tungsten (W), % 0
4.0 to 6.0