SAE-AISI 1065 Steel vs. Grade 37 Titanium
SAE-AISI 1065 steel belongs to the iron alloys classification, while grade 37 titanium belongs to the titanium 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 SAE-AISI 1065 steel and the bottom bar is grade 37 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 14 | |
| 22 |
| Fatigue Strength, MPa | 270 to 340 | |
| 170 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 34 to 51 | |
| 34 |
| Shear Modulus, GPa | 72 | |
| 40 |
| Shear Strength, MPa | 430 to 470 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 710 to 780 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 430 to 550 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 310 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1650 |
| Melting Onset (Solidus), °C | 1420 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 51 | |
| 21 |
| Thermal Expansion, µm/m-K | 11 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 6.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 31 |
| Embodied Energy, MJ/kg | 19 | |
| 500 |
| Embodied Water, L/kg | 46 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 74 to 90 | |
| 76 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 to 820 | |
| 280 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 25 to 28 | |
| 24 |
| Strength to Weight: Bending, points | 23 to 24 | |
| 26 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.4 |
| Thermal Shock Resistance, points | 25 to 27 | |
| 29 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.0 to 2.0 |
| Carbon (C), % | 0.6 to 0.7 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 98.3 to 98.8 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 96.9 to 99 |
| Residuals, % | 0 | |
| 0 to 0.4 |