AWS ERTi-7 vs. EN 1.0038 Steel
AWS ERTi-7 belongs to the titanium alloys classification, while EN 1.0038 steel belongs to the iron alloys. 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 EN 1.0038 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 20 | |
| 23 to 25 |
| Fatigue Strength, MPa | 190 | |
| 140 to 160 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 380 to 430 |
| Tensile Strength: Yield (Proof), MPa | 280 | |
| 200 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1460 |
| Melting Onset (Solidus), °C | 1620 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 49 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 8.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 1.4 |
| Embodied Energy, MJ/kg | 800 | |
| 19 |
| Embodied Water, L/kg | 470 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 64 | |
| 72 to 88 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 | |
| 110 to 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 21 | |
| 13 to 15 |
| Strength to Weight: Bending, points | 24 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 13 |
| Thermal Shock Resistance, points | 26 | |
| 12 to 13 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.23 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.6 |
| Hydrogen (H), % | 0 to 0.0080 | |
| 0 |
| Iron (Fe), % | 0 to 0.12 | |
| 97.1 to 100 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.080 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 to 0.015 | |
| 0 to 0.014 |
| Oxygen (O), % | 0.080 to 0.16 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.55 |
| Sulfur (S), % | 0 | |
| 0 to 0.045 |
| Titanium (Ti), % | 99.417 to 99.8 | |
| 0 |