Grade 200 Maraging Steel vs. Grade 28 Titanium
Grade 200 maraging steel belongs to the iron alloys classification, while grade 28 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 200 maraging steel and the bottom bar is grade 28 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 9.1 to 18 | |
| 11 to 17 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 74 | |
| 40 |
| Shear Strength, MPa | 600 to 890 | |
| 420 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1500 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 690 to 1490 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 410 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1640 |
| Melting Onset (Solidus), °C | 1420 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 550 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 36 |
| Density, g/cm3 | 8.2 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 4.5 | |
| 37 |
| Embodied Energy, MJ/kg | 59 | |
| 600 |
| Embodied Water, L/kg | 140 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1240 to 5740 | |
| 1370 to 3100 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 35 |
| Strength to Weight: Axial, points | 33 to 51 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 39 to 49 |
| Thermal Shock Resistance, points | 29 to 45 | |
| 47 to 66 |
Alloy Composition
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| Aluminum (Al), % | 0.050 to 0.15 | |
| 2.5 to 3.5 |
| 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), % | 8.0 to 9.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 67.8 to 71.8 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 3.0 to 3.5 | |
| 0 |
| Nickel (Ni), % | 17 to 19 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.080 to 0.14 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.25 | |
| 92.4 to 95.4 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |