ASTM A732 Cast Steel vs. Grade 250 Maraging Steel
Both ASTM A732 cast steel and grade 250 maraging steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ASTM A732 cast steel and the bottom bar is grade 250 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 4.0 to 25 | |
| 7.3 to 17 |
| Poisson's Ratio | 0.29 | |
| 0.3 |
| Shear Modulus, GPa | 72 to 73 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1470 | |
| 970 to 1800 |
| Tensile Strength: Yield (Proof), MPa | 310 to 1340 | |
| 660 to 1740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 to 260 | |
| 270 |
| Melting Completion (Liquidus), °C | 1440 to 1460 | |
| 1480 |
| Melting Onset (Solidus), °C | 1400 to 1420 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 470 to 480 | |
| 450 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.0 to 3.8 | |
| 32 |
| Density, g/cm3 | 7.8 to 7.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.4 to 1.7 | |
| 4.9 |
| Embodied Energy, MJ/kg | 19 to 24 | |
| 65 |
| Embodied Water, L/kg | 47 to 54 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 130 | |
| 130 to 150 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 16 to 52 | |
| 33 to 61 |
| Strength to Weight: Bending, points | 17 to 37 | |
| 26 to 40 |
| Thermal Shock Resistance, points | 14 to 43 | |
| 29 to 54 |