Grade 5 Titanium vs. Grade 300 Maraging Steel
Grade 5 titanium belongs to the titanium alloys classification, while grade 300 maraging steel belongs to the iron 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 grade 5 titanium and the bottom bar is grade 300 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 8.6 to 11 | |
| 6.5 to 18 |
| Poisson's Ratio | 0.32 | |
| 0.3 |
| Rockwell C Hardness | 33 | |
| 31 to 56 |
| Shear Modulus, GPa | 40 | |
| 75 |
| Shear Strength, MPa | 600 to 710 | |
| 640 to 1190 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 1030 to 2030 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 760 to 1990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1480 |
| Melting Onset (Solidus), °C | 1650 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 450 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 34 |
| Density, g/cm3 | 4.4 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 5.1 |
| Embodied Energy, MJ/kg | 610 | |
| 68 |
| Embodied Water, L/kg | 200 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 130 to 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 23 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 35 to 68 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 28 to 43 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 31 to 62 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.030 |
| Cobalt (Co), % | 0 | |
| 8.5 to 9.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 65 to 68.4 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 4.6 to 5.2 |
| Nickel (Ni), % | 0 | |
| 18 to 19 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 87.4 to 91 | |
| 0.5 to 0.8 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.4 | |
| 0 |