Grade 250 Maraging Steel vs. R60901 Alloy
Grade 250 maraging steel belongs to the iron alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 17 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 grade 250 maraging steel and the bottom bar is R60901 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 98 |
| Elongation at Break, % | 7.3 to 17 | |
| 17 to 22 |
| Poisson's Ratio | 0.3 | |
| 0.34 |
| Shear Modulus, GPa | 75 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1800 | |
| 500 to 580 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1740 | |
| 350 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 270 |
| Thermal Expansion, µm/m-K | 12 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 6.6 |
| Embodied Water, L/kg | 140 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
| 88 to 100 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 33 to 61 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 26 to 40 | |
| 21 to 24 |
| Thermal Shock Resistance, points | 29 to 54 | |
| 58 to 67 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 0 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Cobalt (Co), % | 7.0 to 8.5 | |
| 0 |
| Iron (Fe), % | 66.3 to 71.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 17 to 19 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.4 to 2.8 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0.3 to 0.5 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 96.8 to 97.5 |
| Residuals, % | 0 | |
| 0 to 0.29 |