ASTM B817 Type II vs. EN 1.4640 Stainless Steel
ASTM B817 type II belongs to the titanium alloys classification, while EN 1.4640 stainless steel belongs to the iron alloys. There are 25 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 EN 1.4640 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 3.0 to 13 | |
| 51 |
| Fatigue Strength, MPa | 390 to 530 | |
| 230 to 250 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 620 to 650 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 240 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 350 | |
| 930 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1420 |
| Melting Onset (Solidus), °C | 1530 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 14 |
| Density, g/cm3 | 4.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 2.8 |
| Embodied Energy, MJ/kg | 650 | |
| 40 |
| Embodied Water, L/kg | 220 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 250 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2890 to 3890 | |
| 150 to 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 21 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 14 to 15 |
Alloy Composition
| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0.030 to 0.080 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 18 to 19 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 1.3 to 2.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 67.4 to 73.6 |
| Manganese (Mn), % | 0 | |
| 1.5 to 4.0 |
| Nickel (Ni), % | 0 | |
| 5.5 to 6.9 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0.030 to 0.11 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.5 |
| 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 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |