Grade 300 Maraging Steel vs. Grade 20 Titanium
Grade 300 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 300 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, % | 6.5 to 18 | |
| 5.7 to 17 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 47 |
| Shear Strength, MPa | 640 to 1190 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 1030 to 2030 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1990 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 400 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1660 |
| Melting Onset (Solidus), °C | 1430 | |
| 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 | 5.1 | |
| 52 |
| Embodied Energy, MJ/kg | 68 | |
| 860 |
| Embodied Water, L/kg | 150 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 71 to 150 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 33 |
| Strength to Weight: Axial, points | 35 to 68 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 28 to 43 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 31 to 62 | |
| 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), % | 8.5 to 9.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 65 to 68.4 | |
| 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), % | 0.5 to 0.8 | |
| 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 |