Grade C-6 Titanium vs. SAE-AISI 4320 Steel
Grade C-6 titanium belongs to the titanium alloys classification, while SAE-AISI 4320 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-6 titanium and the bottom bar is SAE-AISI 4320 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 | |
| 160 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 9.0 | |
| 21 to 29 |
| Fatigue Strength, MPa | 460 | |
| 320 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 890 | |
| 570 to 790 |
| Tensile Strength: Yield (Proof), MPa | 830 | |
| 430 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 420 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1460 |
| Melting Onset (Solidus), °C | 1530 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Conductivity, W/m-K | 7.8 | |
| 46 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 3.4 |
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 1.7 |
| Embodied Energy, MJ/kg | 480 | |
| 22 |
| Embodied Water, L/kg | 190 | |
| 52 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3300 | |
| 480 to 560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 55 | |
| 20 to 28 |
| Strength to Weight: Bending, points | 46 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 13 |
| Thermal Shock Resistance, points | 63 | |
| 19 to 27 |
Alloy Composition
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| Aluminum (Al), % | 4.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0.17 to 0.22 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.6 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 95.8 to 97 |
| Manganese (Mn), % | 0 | |
| 0.45 to 0.65 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0 to 0.050 | |
| 1.7 to 2.0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Tin (Sn), % | 2.0 to 3.0 | |
| 0 |
| Titanium (Ti), % | 89.7 to 94 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |