Grade N7M Nickel vs. EN 1.4729 Stainless Steel
Grade N7M nickel belongs to the nickel alloys classification, while EN 1.4729 stainless steel belongs to the iron alloys. There are 17 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 grade N7M nickel and the bottom bar is EN 1.4729 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 190 |
| Elongation at Break, % | 22 | |
| 15 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 85 | |
| 75 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 850 |
| Melting Completion (Liquidus), °C | 1650 | |
| 1420 |
| Melting Onset (Solidus), °C | 1590 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 490 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 7.5 |
| Density, g/cm3 | 9.3 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 16 | |
| 2.1 |
| Embodied Energy, MJ/kg | 200 | |
| 29 |
| Embodied Water, L/kg | 270 | |
| 100 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 25 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.3 to 0.5 |
| Chromium (Cr), % | 0 to 1.0 | |
| 12 to 14 |
| Iron (Fe), % | 0 to 3.0 | |
| 80.4 to 86.7 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 30 to 33 | |
| 0 to 0.5 |
| Nickel (Ni), % | 60.9 to 70 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 1.0 to 2.5 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |