Grade 38 Titanium vs. SAE-AISI 1541 Steel
Grade 38 titanium belongs to the titanium alloys classification, while SAE-AISI 1541 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 38 titanium and the bottom bar is SAE-AISI 1541 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 11 | |
| 11 to 17 |
| Fatigue Strength, MPa | 530 | |
| 260 to 420 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 29 | |
| 34 to 51 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 600 | |
| 440 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 720 to 790 |
| Tensile Strength: Yield (Proof), MPa | 910 | |
| 390 to 680 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 400 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1460 |
| Melting Onset (Solidus), °C | 1570 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 52 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.4 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 1.9 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 35 | |
| 1.4 |
| Embodied Energy, MJ/kg | 560 | |
| 19 |
| Embodied Water, L/kg | 160 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 78 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3840 | |
| 410 to 1250 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 62 | |
| 25 to 28 |
| Strength to Weight: Bending, points | 49 | |
| 23 to 24 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 14 |
| Thermal Shock Resistance, points | 72 | |
| 23 to 25 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.36 to 0.44 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 1.2 to 1.8 | |
| 97.8 to 98.3 |
| Manganese (Mn), % | 0 | |
| 1.4 to 1.7 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0.2 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 89.9 to 93.1 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |