SAE-AISI 1340 Steel vs. Grade N7M Nickel
SAE-AISI 1340 steel belongs to the iron alloys classification, while grade N7M nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1340 steel and the bottom bar is grade N7M nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 220 |
| Elongation at Break, % | 11 to 23 | |
| 22 |
| Fatigue Strength, MPa | 220 to 390 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 72 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 730 | |
| 590 |
| Tensile Strength: Yield (Proof), MPa | 300 to 620 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 900 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1650 |
| Melting Onset (Solidus), °C | 1410 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 75 |
| Density, g/cm3 | 7.8 | |
| 9.3 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 16 |
| Embodied Energy, MJ/kg | 19 | |
| 200 |
| Embodied Water, L/kg | 48 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 110 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 1040 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 22 |
| Strength to Weight: Axial, points | 19 to 26 | |
| 18 |
| Strength to Weight: Bending, points | 19 to 23 | |
| 17 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 19 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.43 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 97.2 to 97.9 | |
| 0 to 3.0 |
| Manganese (Mn), % | 1.6 to 1.9 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 30 to 33 |
| Nickel (Ni), % | 0 | |
| 60.9 to 70 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.030 |