SAE-AISI 6150 Steel vs. Grade 5 Titanium
SAE-AISI 6150 steel belongs to the iron alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 6150 steel and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 15 to 23 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 300 to 750 | |
| 530 to 630 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 400 to 730 | |
| 600 to 710 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1200 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1160 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 330 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1610 |
| Melting Onset (Solidus), °C | 1410 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 560 |
| Thermal Conductivity, W/m-K | 46 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 12 to 13 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 38 |
| Embodied Energy, MJ/kg | 28 | |
| 610 |
| Embodied Water, L/kg | 51 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 180 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 3590 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 22 to 43 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 21 to 32 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 13 | |
| 2.7 |
| Thermal Shock Resistance, points | 20 to 38 | |
| 76 to 91 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0.48 to 0.53 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 96.7 to 97.7 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0.7 to 0.9 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 87.4 to 91 |
| Vanadium (V), % | 0.15 to 0.3 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Residuals, % | 0 | |
| 0 to 0.4 |