Grade 250 Maraging Steel vs. Titanium 4-4-2
Grade 250 maraging steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 7.3 to 17 | |
| 10 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 42 |
| Shear Strength, MPa | 600 to 1060 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1800 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1740 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 410 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1610 |
| Melting Onset (Solidus), °C | 1430 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 540 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 39 |
| Density, g/cm3 | 8.2 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 4.9 | |
| 30 |
| Embodied Energy, MJ/kg | 65 | |
| 480 |
| Embodied Water, L/kg | 140 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 150 | |
| 110 to 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 34 |
| Strength to Weight: Axial, points | 33 to 61 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 26 to 40 | |
| 52 to 55 |
| Thermal Shock Resistance, points | 29 to 54 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 3.0 to 5.0 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Cobalt (Co), % | 7.0 to 8.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 66.3 to 71.1 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 17 to 19 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0.3 to 0.5 | |
| 85.8 to 92.2 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |