AWS ERTi-7 vs. Grade 5 Titanium
Both AWS ERTi-7 and grade 5 titanium are titanium alloys. They have 89% of their average alloy composition in common. There are 28 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 AWS ERTi-7 and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 20 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 190 | |
| 530 to 630 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 280 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 330 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1610 |
| Melting Onset (Solidus), °C | 1620 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 560 |
| Thermal Conductivity, W/m-K | 21 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 2.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 38 |
| Embodied Energy, MJ/kg | 800 | |
| 610 |
| Embodied Water, L/kg | 470 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 64 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 21 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 24 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 2.7 |
| Thermal Shock Resistance, points | 26 | |
| 76 to 91 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 to 0.0080 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.12 | |
| 0 to 0.4 |
| Nitrogen (N), % | 0 to 0.015 | |
| 0 to 0.050 |
| Oxygen (O), % | 0.080 to 0.16 | |
| 0 to 0.2 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Titanium (Ti), % | 99.417 to 99.8 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Residuals, % | 0 | |
| 0 to 0.4 |