SAE-AISI 1137 Steel vs. Nickel 718
SAE-AISI 1137 steel belongs to the iron alloys classification, while nickel 718 belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1137 steel and the bottom bar is nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 12 to 50 |
| Fatigue Strength, MPa | 250 to 400 | |
| 460 to 760 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 34 to 39 | |
| 34 to 64 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 430 to 460 | |
| 660 to 950 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 760 | |
| 930 to 1530 |
| Tensile Strength: Yield (Proof), MPa | 370 to 650 | |
| 510 to 1330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 980 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1340 |
| Melting Onset (Solidus), °C | 1420 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 51 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 75 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 13 |
| Embodied Energy, MJ/kg | 19 | |
| 190 |
| Embodied Water, L/kg | 48 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 to 100 | |
| 140 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 1130 | |
| 660 to 4560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 25 to 27 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 25 to 35 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.0 |
| Thermal Shock Resistance, points | 21 to 23 | |
| 27 to 44 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0.32 to 0.39 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 21 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 97.8 to 98.3 | |
| 11.1 to 24.6 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 0 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.65 to 1.2 |