Aged 250 Maraging Steel vs. Aged Titanium 4-4-2
Aged 250 maraging steel belongs to the iron alloys classification, while aged titanium 4-4-2 belongs to the titanium alloys. There are 24 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 aged 250 maraging steel and the bottom bar is aged titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 7.3 | |
| 10 |
| Fatigue Strength, MPa | 760 | |
| 620 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 42 |
| Shear Strength, MPa | 1060 | |
| 750 |
| Tensile Strength: Ultimate (UTS), MPa | 1800 | |
| 1250 |
| Tensile Strength: Yield (Proof), MPa | 1740 | |
| 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 | |
| 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 34 |
| Strength to Weight: Axial, points | 61 | |
| 74 |
| Strength to Weight: Bending, points | 40 | |
| 55 |
| Thermal Shock Resistance, points | 54 | |
| 93 |
Alloy Composition
| 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 |