ASTM B817 Type I vs. EN 2.4878 Nickel
ASTM B817 type I belongs to the titanium alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM B817 type I and the bottom bar is EN 2.4878 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 4.0 to 13 | |
| 13 to 17 |
| Fatigue Strength, MPa | 360 to 520 | |
| 400 to 410 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 960 | |
| 1210 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 700 to 860 | |
| 740 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 1030 |
| Melting Completion (Liquidus), °C | 1600 | |
| 1370 |
| Melting Onset (Solidus), °C | 1550 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 460 |
| Thermal Conductivity, W/m-K | 7.1 | |
| 11 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 80 |
| Density, g/cm3 | 4.4 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 10 |
| Embodied Energy, MJ/kg | 610 | |
| 150 |
| Embodied Water, L/kg | 200 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 120 | |
| 150 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2310 to 3540 | |
| 1370 to 1540 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 48 to 60 | |
| 41 to 42 |
| Strength to Weight: Bending, points | 42 to 49 | |
| 31 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 2.8 |
| Thermal Shock Resistance, points | 54 to 68 | |
| 37 to 39 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.010 to 0.015 |
| Carbon (C), % | 0 to 0.1 | |
| 0.030 to 0.070 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 23 to 25 |
| Cobalt (Co), % | 0 | |
| 19 to 21 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 43.6 to 52.2 |
| Niobium (Nb), % | 0 | |
| 0.7 to 1.2 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.5 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.0070 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 87 to 91 | |
| 2.8 to 3.2 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.030 to 0.070 |
| Residuals, % | 0 to 0.4 | |
| 0 |