SAE-AISI 1137 Steel vs. Grade 3 Titanium
SAE-AISI 1137 steel belongs to the iron alloys classification, while grade 3 titanium belongs to the titanium alloys. There are 32 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 1137 steel and the bottom bar is grade 3 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 17 | |
| 21 |
| Fatigue Strength, MPa | 250 to 400 | |
| 300 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 34 to 39 | |
| 34 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Shear Strength, MPa | 430 to 460 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 760 | |
| 510 |
| Tensile Strength: Yield (Proof), MPa | 370 to 650 | |
| 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1420 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 51 | |
| 21 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.2 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 37 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 31 |
| Embodied Energy, MJ/kg | 19 | |
| 510 |
| Embodied Water, L/kg | 48 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 to 100 | |
| 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 1130 | |
| 910 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 25 to 27 | |
| 32 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 32 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.6 |
| Thermal Shock Resistance, points | 21 to 23 | |
| 37 |
Alloy Composition
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| Carbon (C), % | 0.32 to 0.39 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 97.8 to 98.3 | |
| 0 to 0.3 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.35 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.8 to 100 |
| Residuals, % | 0 | |
| 0 to 0.4 |