ASTM B817 Type II vs. EN 1.5507 Steel
ASTM B817 type II belongs to the titanium alloys classification, while EN 1.5507 steel belongs to the iron alloys. There are 21 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 ASTM B817 type II and the bottom bar is EN 1.5507 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 4.0 to 13 | |
| 58 to 72 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 450 to 880 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 350 | |
| 410 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1460 |
| Melting Onset (Solidus), °C | 1530 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 2.0 |
| Density, g/cm3 | 4.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 1.4 |
| Embodied Energy, MJ/kg | 650 | |
| 19 |
| Embodied Water, L/kg | 220 | |
| 49 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 24 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 16 to 31 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 17 to 26 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 13 to 26 |
Alloy Composition
| Aluminum (Al), % | 5.0 to 6.0 | |
| 0.020 to 0.080 |
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.1 | |
| 0.21 to 0.25 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.25 to 0.35 |
| 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 | |
| 97.8 to 98.7 |
| Manganese (Mn), % | 0 | |
| 0.8 to 1.0 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.15 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.1 to 87.8 | |
| 0 to 0.060 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |