Grade 34 Titanium vs. SAE-AISI 1090 Steel
Grade 34 titanium belongs to the titanium alloys classification, while SAE-AISI 1090 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is grade 34 titanium and the bottom bar is SAE-AISI 1090 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 20 | |
| 11 |
| Fatigue Strength, MPa | 310 | |
| 320 to 380 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 34 | |
| 28 to 45 |
| Shear Modulus, GPa | 41 | |
| 72 |
| Shear Strength, MPa | 320 | |
| 470 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 790 to 950 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 520 to 610 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1450 |
| Melting Onset (Solidus), °C | 1610 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 50 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 1.8 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 1.4 |
| Embodied Energy, MJ/kg | 530 | |
| 19 |
| Embodied Water, L/kg | 200 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 82 to 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 | |
| 730 to 1000 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 31 | |
| 28 to 34 |
| Strength to Weight: Bending, points | 31 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 8.4 | |
| 13 |
| Thermal Shock Resistance, points | 39 | |
| 25 to 31 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.85 to 1.0 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 98 to 98.6 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Palladium (Pd), % | 0.010 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Ruthenium (Ru), % | 0.020 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 98 to 99.52 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |