Grade 350 Maraging Steel vs. Grade 20 Titanium
Grade 350 maraging steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is grade 350 maraging steel and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 4.1 to 18 | |
| 5.7 to 17 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 47 |
| Shear Strength, MPa | 710 to 1400 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 2420 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 830 to 2300 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 400 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1660 |
| Melting Onset (Solidus), °C | 1420 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 520 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 5.6 | |
| 52 |
| Embodied Energy, MJ/kg | 74 | |
| 860 |
| Embodied Water, L/kg | 160 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 190 | |
| 71 to 150 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 33 |
| Strength to Weight: Axial, points | 38 to 82 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 29 to 49 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 35 to 74 | |
| 55 to 77 |
Alloy Composition
| Aluminum (Al), % | 0.050 to 0.15 | |
| 3.0 to 4.0 |
| Boron (B), % | 0 to 0.0030 | |
| 0 |
| Calcium (Ca), % | 0 to 0.050 | |
| 0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 5.5 to 6.5 |
| Cobalt (Co), % | 11.5 to 12.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 61.2 to 64.6 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 18 to 19 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 1.3 to 1.6 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |