ASTM B817 Type II vs. Nickel 625
ASTM B817 type II belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. There are 25 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 nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 3.0 to 13 | |
| 33 to 34 |
| Fatigue Strength, MPa | 390 to 530 | |
| 240 to 320 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 350 | |
| 980 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1350 |
| Melting Onset (Solidus), °C | 1530 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 440 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 80 |
| Density, g/cm3 | 4.6 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 14 |
| Embodied Energy, MJ/kg | 650 | |
| 190 |
| Embodied Water, L/kg | 220 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2890 to 3890 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 23 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 22 to 24 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 22 to 25 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 to 0.4 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| 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 0.5 |
| 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 to 0.4 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |