R30006 Cobalt vs. EN 2.4650 Nickel
R30006 cobalt belongs to the cobalt alloys classification, while EN 2.4650 nickel belongs to the nickel 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 R30006 cobalt and the bottom bar is EN 2.4650 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 220 | |
210 |
Elongation at Break, % | 1.0 | |
34 |
Fatigue Strength, MPa | 260 | |
480 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 85 | |
80 |
Tensile Strength: Ultimate (UTS), MPa | 900 | |
1090 |
Tensile Strength: Yield (Proof), MPa | 540 | |
650 |
Thermal Properties
Latent Heat of Fusion, J/g | 320 | |
320 |
Melting Completion (Liquidus), °C | 1400 | |
1400 |
Melting Onset (Solidus), °C | 1290 | |
1350 |
Specific Heat Capacity, J/kg-K | 450 | |
450 |
Thermal Conductivity, W/m-K | 15 | |
12 |
Thermal Expansion, µm/m-K | 11 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
1.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 1.7 | |
1.6 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.6 | |
8.5 |
Embodied Carbon, kg CO2/kg material | 7.8 | |
10 |
Embodied Energy, MJ/kg | 110 | |
140 |
Embodied Water, L/kg | 500 | |
360 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.8 | |
320 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 670 | |
1030 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 23 | |
23 |
Strength to Weight: Axial, points | 29 | |
36 |
Strength to Weight: Bending, points | 24 | |
28 |
Thermal Diffusivity, mm2/s | 3.9 | |
3.1 |
Thermal Shock Resistance, points | 26 | |
33 |
Alloy Composition
Aluminum (Al), % | 0 | |
0.3 to 0.6 |
Boron (B), % | 0 | |
0 to 0.0050 |
Carbon (C), % | 0.9 to 1.4 | |
0.040 to 0.080 |
Chromium (Cr), % | 27 to 32 | |
19 to 21 |
Cobalt (Co), % | 48.6 to 68.1 | |
19 to 21 |
Copper (Cu), % | 0 | |
0 to 0.2 |
Iron (Fe), % | 0 to 3.0 | |
0 to 0.7 |
Manganese (Mn), % | 0 | |
0 to 0.6 |
Molybdenum (Mo), % | 0 to 1.0 | |
5.6 to 6.1 |
Nickel (Ni), % | 0 to 3.0 | |
46.9 to 54.2 |
Phosphorus (P), % | 0 | |
0 to 0.020 |
Silicon (Si), % | 0 to 2.0 | |
0 to 0.4 |
Sulfur (S), % | 0 | |
0 to 0.0070 |
Titanium (Ti), % | 0 | |
1.9 to 2.4 |
Tungsten (W), % | 4.0 to 6.0 | |
0 |