AWS ENiCu-7 vs. Grade 28 Titanium
AWS ENiCu-7 belongs to the nickel alloys classification, while grade 28 titanium belongs to the titanium alloys. There are 24 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 AWS ENiCu-7 and the bottom bar is grade 28 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 110 |
| Elongation at Break, % | 34 | |
| 11 to 17 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 62 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 690 to 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Melting Completion (Liquidus), °C | 1270 | |
| 1640 |
| Melting Onset (Solidus), °C | 1230 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 550 |
| Thermal Conductivity, W/m-K | 21 | |
| 8.3 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 36 |
| Density, g/cm3 | 8.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 37 |
| Embodied Energy, MJ/kg | 110 | |
| 600 |
| Embodied Water, L/kg | 250 | |
| 370 |
Common Calculations
| Stiffness to Weight: Axial, points | 10 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 35 |
| Strength to Weight: Axial, points | 17 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 17 | |
| 39 to 49 |
| Thermal Diffusivity, mm2/s | 5.5 | |
| 3.4 |
| Thermal Shock Resistance, points | 18 | |
| 47 to 66 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.75 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Copper (Cu), % | 20.6 to 38 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 2.5 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 62 to 69 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.080 to 0.14 |
| Silicon (Si), % | 0 to 1.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 to 1.0 | |
| 92.4 to 95.4 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |