Grade N7M Nickel vs. AISI 204 Stainless Steel
Grade N7M nickel belongs to the nickel alloys classification, while AISI 204 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is grade N7M nickel and the bottom bar is AISI 204 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 200 |
| Elongation at Break, % | 22 | |
| 23 to 39 |
| Fatigue Strength, MPa | 190 | |
| 320 to 720 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 85 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 590 | |
| 730 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 380 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 850 |
| Melting Completion (Liquidus), °C | 1650 | |
| 1410 |
| Melting Onset (Solidus), °C | 1590 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 10 |
| Density, g/cm3 | 9.3 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 16 | |
| 2.4 |
| Embodied Energy, MJ/kg | 200 | |
| 35 |
| Embodied Water, L/kg | 270 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 240 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 360 to 2940 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 27 to 40 |
| Strength to Weight: Bending, points | 17 | |
| 24 to 31 |
| Thermal Shock Resistance, points | 19 | |
| 16 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 to 1.0 | |
| 15 to 17 |
| Iron (Fe), % | 0 to 3.0 | |
| 69.6 to 76.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 7.0 to 9.0 |
| Molybdenum (Mo), % | 30 to 33 | |
| 0 |
| Nickel (Ni), % | 60.9 to 70 | |
| 1.5 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |