AWS ERTi-7 vs. ASTM A182 Grade F122
AWS ERTi-7 belongs to the titanium alloys classification, while ASTM A182 grade F122 belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is ASTM A182 grade F122.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 20 | |
| 23 |
| Fatigue Strength, MPa | 190 | |
| 320 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 340 | |
| 710 |
| Tensile Strength: Yield (Proof), MPa | 280 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 600 |
| Melting Completion (Liquidus), °C | 1670 | |
| 1490 |
| Melting Onset (Solidus), °C | 1620 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 24 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 3.0 |
| Embodied Energy, MJ/kg | 800 | |
| 44 |
| Embodied Water, L/kg | 470 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 64 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 | |
| 520 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 21 | |
| 25 |
| Strength to Weight: Bending, points | 24 | |
| 22 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 6.4 |
| Thermal Shock Resistance, points | 26 | |
| 19 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.020 |
| Boron (B), % | 0 | |
| 0 to 0.0050 |
| Carbon (C), % | 0 to 0.030 | |
| 0.070 to 0.14 |
| Chromium (Cr), % | 0 | |
| 10 to 11.5 |
| Copper (Cu), % | 0 | |
| 0.3 to 1.7 |
| Hydrogen (H), % | 0 to 0.0080 | |
| 0 |
| Iron (Fe), % | 0 to 0.12 | |
| 81.3 to 87.7 |
| Manganese (Mn), % | 0 | |
| 0 to 0.7 |
| Molybdenum (Mo), % | 0 | |
| 0.25 to 0.6 |
| Nickel (Ni), % | 0 | |
| 0 to 0.5 |
| Niobium (Nb), % | 0 | |
| 0.040 to 0.1 |
| Nitrogen (N), % | 0 to 0.015 | |
| 0.040 to 0.1 |
| Oxygen (O), % | 0.080 to 0.16 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 99.417 to 99.8 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 1.5 to 2.5 |
| Vanadium (V), % | 0 | |
| 0.15 to 0.3 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.010 |