AWS ERTi-7 vs. EN 1.8151 Steel
AWS ERTi-7 belongs to the titanium alloys classification, while EN 1.8151 steel belongs to the iron alloys. There are 23 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 ERTi-7 and the bottom bar is EN 1.8151 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 670 to 1940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 410 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1440 |
| Melting Onset (Solidus), °C | 1620 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 21 | |
| 50 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 8.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 1.8 |
| Embodied Energy, MJ/kg | 800 | |
| 25 |
| Embodied Water, L/kg | 470 | |
| 49 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 21 | |
| 24 to 70 |
| Strength to Weight: Bending, points | 24 | |
| 22 to 45 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 14 |
| Thermal Shock Resistance, points | 26 | |
| 20 to 58 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.4 to 0.5 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.8 |
| Hydrogen (H), % | 0 to 0.0080 | |
| 0 |
| Iron (Fe), % | 0 to 0.12 | |
| 95.9 to 97.2 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| Nitrogen (N), % | 0 to 0.015 | |
| 0 |
| Oxygen (O), % | 0.080 to 0.16 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 1.3 to 1.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 99.417 to 99.8 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.2 |