Grade 350 Maraging Steel vs. Grade 5 Titanium
Grade 350 maraging steel belongs to the iron alloys classification, while grade 5 titanium 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 grade 350 maraging steel and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 4.1 to 18 | |
| 8.6 to 11 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Rockwell C Hardness | 34 to 60 | |
| 33 |
| Shear Modulus, GPa | 75 | |
| 40 |
| Shear Strength, MPa | 710 to 1400 | |
| 600 to 710 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 2420 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 830 to 2300 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 410 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1610 |
| Melting Onset (Solidus), °C | 1420 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 560 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 36 |
| Density, g/cm3 | 8.2 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 5.6 | |
| 38 |
| Embodied Energy, MJ/kg | 74 | |
| 610 |
| Embodied Water, L/kg | 160 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 190 | |
| 100 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 35 |
| Strength to Weight: Axial, points | 38 to 82 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 29 to 49 | |
| 50 to 56 |
| Thermal Shock Resistance, points | 35 to 74 | |
| 76 to 91 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 5.5 to 6.8 |
| 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), % | 11.5 to 12.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 61.2 to 64.6 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 4.6 to 5.2 | |
| 0 |
| Nickel (Ni), % | 18 to 19 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| 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 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |