Grade N7M Nickel vs. AWS ENiCrMo-4
Both grade N7M nickel and AWS ENiCrMo-4 are nickel alloys. They have 75% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is grade N7M nickel and the bottom bar is AWS ENiCrMo-4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 220 |
| Elongation at Break, % | 22 | |
| 28 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 85 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 590 | |
| 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 320 |
| Melting Completion (Liquidus), °C | 1650 | |
| 1590 |
| Melting Onset (Solidus), °C | 1590 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 70 |
| Density, g/cm3 | 9.3 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 16 | |
| 13 |
| Embodied Energy, MJ/kg | 200 | |
| 170 |
| Embodied Water, L/kg | 270 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 22 |
| Strength to Weight: Axial, points | 18 | |
| 24 |
| Strength to Weight: Bending, points | 17 | |
| 21 |
| Thermal Shock Resistance, points | 19 | |
| 22 |
Alloy Composition
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| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.020 |
| Chromium (Cr), % | 0 to 1.0 | |
| 14.5 to 16.5 |
| Cobalt (Co), % | 0 | |
| 0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 3.0 | |
| 4.0 to 7.0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 30 to 33 | |
| 15 to 17 |
| Nickel (Ni), % | 60.9 to 70 | |
| 49.9 to 63.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 3.0 to 4.5 |
| Vanadium (V), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.5 |