Grade 250 Maraging Steel vs. Automotive Grey Cast Iron
Both grade 250 maraging steel and automotive grey cast iron are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is automotive grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 180 |
| Elongation at Break, % | 7.3 to 17 | |
| 9.6 to 14 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 69 to 70 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1800 | |
| 140 to 290 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1740 | |
| 94 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 260 to 280 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1380 to 1390 |
| Melting Onset (Solidus), °C | 1430 | |
| 1340 to 1350 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 490 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 to 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 1.9 to 3.0 |
| Density, g/cm3 | 8.2 | |
| 7.5 to 7.6 |
| Embodied Carbon, kg CO2/kg material | 4.9 | |
| 1.5 to 1.7 |
| Embodied Energy, MJ/kg | 65 | |
| 21 to 24 |
| Embodied Water, L/kg | 140 | |
| 44 to 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
| 18 to 25 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 33 to 61 | |
| 5.2 to 11 |
| Strength to Weight: Bending, points | 26 to 40 | |
| 8.0 to 13 |
| Thermal Shock Resistance, points | 29 to 54 | |
| 4.2 to 8.6 |