SAE-AISI 1040 Steel vs. Grade 36 Titanium
SAE-AISI 1040 steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1040 steel and the bottom bar is grade 36 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 13 to 20 | |
| 11 |
| Fatigue Strength, MPa | 220 to 340 | |
| 300 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Shear Strength, MPa | 350 to 390 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 640 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 320 to 530 | |
| 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 2020 |
| Melting Onset (Solidus), °C | 1420 | |
| 1950 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 420 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 58 |
| Embodied Energy, MJ/kg | 18 | |
| 920 |
| Embodied Water, L/kg | 46 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 96 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 760 | |
| 1260 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 20 to 23 | |
| 23 |
| Strength to Weight: Bending, points | 19 to 21 | |
| 23 |
| Thermal Shock Resistance, points | 18 to 20 | |
| 45 |
Alloy Composition
| Carbon (C), % | 0.37 to 0.44 | |
| 0 to 0.030 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0035 |
| Iron (Fe), % | 98.6 to 99.03 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 42 to 47 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 52.3 to 58 |
| Residuals, % | 0 | |
| 0 to 0.4 |