R30155 Cobalt vs. EN 1.4567 Stainless Steel
Both R30155 cobalt and EN 1.4567 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is R30155 cobalt and the bottom bar is EN 1.4567 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 | |
| 190 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 190 |
| Elongation at Break, % | 34 | |
| 22 to 51 |
| Fatigue Strength, MPa | 310 | |
| 190 to 260 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 81 | |
| 76 |
| Shear Strength, MPa | 570 | |
| 390 to 490 |
| Tensile Strength: Ultimate (UTS), MPa | 850 | |
| 550 to 780 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 200 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 570 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 930 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 480 |
| Thermal Conductivity, W/m-K | 12 | |
| 11 |
| Thermal Expansion, µm/m-K | 14 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 16 |
| Density, g/cm3 | 8.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 9.7 | |
| 3.1 |
| Embodied Energy, MJ/kg | 150 | |
| 43 |
| Embodied Water, L/kg | 300 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 37 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 230 | |
| 150 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 100 to 400 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 28 | |
| 19 to 27 |
| Strength to Weight: Bending, points | 24 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 3.0 |
| Thermal Shock Resistance, points | 21 | |
| 12 to 17 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.16 | |
| 0 to 0.040 |
| Chromium (Cr), % | 20 to 22.5 | |
| 17 to 19 |
| Cobalt (Co), % | 18.5 to 21 | |
| 0 |
| Copper (Cu), % | 0 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 24.3 to 36.2 | |
| 63.3 to 71.5 |
| Manganese (Mn), % | 1.0 to 2.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 2.5 to 3.5 | |
| 0 |
| Nickel (Ni), % | 19 to 21 | |
| 8.5 to 10.5 |
| Niobium (Nb), % | 0.75 to 1.3 | |
| 0 |
| Nitrogen (N), % | 0 to 0.2 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tantalum (Ta), % | 0.75 to 1.3 | |
| 0 |
| Tungsten (W), % | 2.0 to 3.0 | |
| 0 |