ASTM B817 Type II vs. Grade 200 Maraging Steel
ASTM B817 type II belongs to the titanium alloys classification, while grade 200 maraging steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ASTM B817 type II and the bottom bar is grade 200 maraging steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 3.0 to 13 | |
| 9.1 to 18 |
| Poisson's Ratio | 0.32 | |
| 0.3 |
| Shear Modulus, GPa | 40 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 970 to 1500 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 690 to 1490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 260 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1460 |
| Melting Onset (Solidus), °C | 1530 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 460 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 31 |
| Density, g/cm3 | 4.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 4.5 |
| Embodied Energy, MJ/kg | 650 | |
| 59 |
| Embodied Water, L/kg | 220 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2890 to 3890 | |
| 1240 to 5740 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 23 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 33 to 51 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 27 to 35 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 29 to 45 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0.050 to 0.15 |
| Boron (B), % | 0 | |
| 0 to 0.0030 |
| Calcium (Ca), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.030 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 8.0 to 9.0 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 67.8 to 71.8 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 3.5 |
| Nickel (Ni), % | 0 | |
| 17 to 19 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.1 to 87.8 | |
| 0.15 to 0.25 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.4 | |
| 0 |