Nickel 718 vs. AWS E312
Nickel 718 belongs to the nickel alloys classification, while AWS E312 belongs to the iron alloys. They have 47% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is nickel 718 and the bottom bar is AWS E312.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 12 to 50 | |
| 25 |
| Poisson's Ratio | 0.29 | |
| 0.27 |
| Shear Modulus, GPa | 75 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 310 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1410 |
| Melting Onset (Solidus), °C | 1260 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 20 |
| Density, g/cm3 | 8.3 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 3.6 |
| Embodied Energy, MJ/kg | 190 | |
| 52 |
| Embodied Water, L/kg | 250 | |
| 200 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 27 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 24 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 18 |
Alloy Composition
| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.15 |
| Chromium (Cr), % | 17 to 21 | |
| 28 to 32 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.75 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 52.3 to 63.5 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.5 to 2.5 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 0 to 0.75 |
| Nickel (Ni), % | 50 to 55 | |
| 8.0 to 10.5 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0 |