Grade C-5 Titanium vs. SAE-AISI 4150 Steel
Grade C-5 titanium belongs to the titanium alloys classification, while SAE-AISI 4150 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade C-5 titanium and the bottom bar is SAE-AISI 4150 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 310 | |
| 200 to 380 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 6.7 | |
| 12 to 20 |
| Fatigue Strength, MPa | 510 | |
| 260 to 780 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 660 to 1310 |
| Tensile Strength: Yield (Proof), MPa | 940 | |
| 380 to 1220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 420 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1460 |
| Melting Onset (Solidus), °C | 1560 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 470 |
| Thermal Conductivity, W/m-K | 7.1 | |
| 42 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 2.4 |
| Density, g/cm3 | 4.4 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 1.5 |
| Embodied Energy, MJ/kg | 610 | |
| 20 |
| Embodied Water, L/kg | 200 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 82 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4200 | |
| 380 to 3930 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 63 | |
| 24 to 47 |
| Strength to Weight: Bending, points | 50 | |
| 22 to 34 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 11 |
| Thermal Shock Resistance, points | 71 | |
| 19 to 39 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.8 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0.48 to 0.53 |
| Chromium (Cr), % | 0 | |
| 0.8 to 1.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 96.7 to 97.7 |
| Manganese (Mn), % | 0 | |
| 0.75 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.25 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Titanium (Ti), % | 87.5 to 91 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |