AWS E120C-K4 vs. R30016 Cobalt
AWS E120C-K4 belongs to the iron alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AWS E120C-K4 and the bottom bar is R30016 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 220 |
| Elongation at Break, % | 17 | |
| 8.4 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 950 | |
| 1010 |
| Tensile Strength: Yield (Proof), MPa | 840 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1360 |
| Melting Onset (Solidus), °C | 1410 | |
| 1270 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 41 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 2.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 7.7 |
| Embodied Energy, MJ/kg | 23 | |
| 110 |
| Embodied Water, L/kg | 54 | |
| 500 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 72 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1880 | |
| 770 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 34 | |
| 33 |
| Strength to Weight: Bending, points | 27 | |
| 26 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.9 |
| Thermal Shock Resistance, points | 28 | |
| 24 |
Alloy Composition
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| Carbon (C), % | 0 to 0.15 | |
| 0.9 to 1.4 |
| Chromium (Cr), % | 0.15 to 0.65 | |
| 28 to 32 |
| Cobalt (Co), % | 0 | |
| 49.6 to 66.9 |
| Copper (Cu), % | 0 to 0.35 | |
| 0 |
| Iron (Fe), % | 92.1 to 98.4 | |
| 0 to 3.0 |
| Manganese (Mn), % | 0.75 to 2.3 | |
| 0.5 to 2.0 |
| Molybdenum (Mo), % | 0.25 to 0.65 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 0 to 3.0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.8 | |
| 0.2 to 2.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Tungsten (W), % | 0 | |
| 3.5 to 5.5 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |