R30075 Cobalt vs. Monel K-500
R30075 cobalt belongs to the cobalt alloys classification, while Monel K-500 belongs to the nickel alloys. 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 R30075 cobalt and the bottom bar is Monel K-500.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 to 250 | |
| 160 |
| Elongation at Break, % | 12 | |
| 25 to 36 |
| Fatigue Strength, MPa | 250 to 840 | |
| 260 to 560 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 82 to 98 | |
| 61 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1280 | |
| 640 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 480 to 840 | |
| 310 to 880 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 270 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1350 |
| Melting Onset (Solidus), °C | 1290 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 440 |
| Thermal Conductivity, W/m-K | 13 | |
| 18 |
| Thermal Expansion, µm/m-K | 12 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 3.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.1 |
| Embodied Energy, MJ/kg | 110 | |
| 120 |
| Embodied Water, L/kg | 530 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 84 to 140 | |
| 180 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1410 | |
| 300 to 2420 |
| Stiffness to Weight: Axial, points | 14 to 17 | |
| 10 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 21 |
| Strength to Weight: Axial, points | 26 to 42 | |
| 21 to 35 |
| Strength to Weight: Bending, points | 22 to 31 | |
| 19 to 27 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 4.8 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 21 to 36 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.1 | |
| 2.3 to 3.2 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.35 | |
| 0 to 0.18 |
| Chromium (Cr), % | 27 to 30 | |
| 0 |
| Cobalt (Co), % | 58.7 to 68 | |
| 0 |
| Copper (Cu), % | 0 | |
| 27 to 33 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 5.0 to 7.0 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 63 to 70.4 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0.35 to 0.85 |
| Tungsten (W), % | 0 to 0.2 | |
| 0 |