ASTM B817 Type II vs. AWS ENiCrMo-4
ASTM B817 type II belongs to the titanium alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is ASTM B817 type II and the bottom bar is AWS ENiCrMo-4.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 220 |
| Elongation at Break, % | 3.0 to 13 | |
| 28 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1590 |
| Melting Onset (Solidus), °C | 1530 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 410 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 70 |
| Density, g/cm3 | 4.6 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 13 |
| Embodied Energy, MJ/kg | 650 | |
| 170 |
| Embodied Water, L/kg | 220 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 22 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 24 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 21 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 22 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.020 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 14.5 to 16.5 |
| Cobalt (Co), % | 0 | |
| 0 to 2.5 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 to 0.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 4.0 to 7.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 15 to 17 |
| Nickel (Ni), % | 0 | |
| 49.9 to 63.5 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.2 |
| 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 | |
| 3.0 to 4.5 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |