ASTM B817 Type II vs. SAE-AISI D3 Steel
ASTM B817 type II belongs to the titanium alloys classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM B817 type II and the bottom bar is SAE-AISI D3 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 3.0 to 13 | |
| 9.8 to 15 |
| Fatigue Strength, MPa | 390 to 530 | |
| 310 to 940 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 770 to 2050 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 480 to 1550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 270 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1430 |
| Melting Onset (Solidus), °C | 1530 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 8.0 |
| Density, g/cm3 | 4.6 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 3.2 |
| Embodied Energy, MJ/kg | 650 | |
| 48 |
| Embodied Water, L/kg | 220 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 97 to 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 28 to 74 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 24 to 47 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 23 to 63 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 2.0 to 2.4 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 11 to 13.5 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 80.3 to 87 |
| Manganese (Mn), % | 0 | |
| 0 to 0.6 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.6 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.1 to 87.8 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 1.0 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.4 | |
| 0 |