Grade 33 Titanium vs. SAE-AISI 1039 Steel
Grade 33 titanium belongs to the titanium alloys classification, while SAE-AISI 1039 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 33 titanium and the bottom bar is SAE-AISI 1039 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 23 | |
| 14 to 18 |
| Fatigue Strength, MPa | 250 | |
| 230 to 370 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 34 | |
| 40 to 45 |
| Shear Modulus, GPa | 41 | |
| 73 |
| Shear Strength, MPa | 240 | |
| 380 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 340 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 51 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.9 | |
| 8.1 |
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 | |
| 18 |
| Embodied Water, L/kg | 200 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 | |
| 88 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 590 | |
| 310 to 890 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 26 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 8.7 | |
| 14 |
| Thermal Shock Resistance, points | 30 | |
| 19 to 22 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.37 to 0.44 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 98.5 to 98.9 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 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), % | 98.1 to 99.52 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |