ASTM A148 Cast Steel vs. Nickel 718
ASTM A148 cast steel belongs to the iron alloys classification, while nickel 718 belongs to the nickel alloys. There are 30 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 ASTM A148 cast 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, % | 5.7 to 25 | |
| 12 to 50 |
| Fatigue Strength, MPa | 280 to 670 | |
| 460 to 760 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 13 to 45 | |
| 34 to 64 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1300 | |
| 930 to 1530 |
| Tensile Strength: Yield (Proof), MPa | 390 to 1160 | |
| 510 to 1330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 400 to 430 | |
| 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 | 37 to 47 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 7.5 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 to 8.6 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 to 3.3 | |
| 75 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 13 |
| Embodied Energy, MJ/kg | 20 to 22 | |
| 190 |
| Embodied Water, L/kg | 48 to 53 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 140 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 3570 | |
| 660 to 4560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 46 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 21 to 34 | |
| 25 to 35 |
| Thermal Diffusivity, mm2/s | 9.9 to 13 | |
| 3.0 |
| Thermal Shock Resistance, points | 18 to 38 | |
| 27 to 44 |