SAE-AISI 4150 Steel vs. R58150 Titanium
SAE-AISI 4150 steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 4150 steel and the bottom bar is R58150 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 12 to 20 | |
| 13 |
| Fatigue Strength, MPa | 260 to 780 | |
| 330 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 52 |
| Shear Strength, MPa | 410 to 800 | |
| 470 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 1310 | |
| 770 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1220 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1760 |
| Melting Onset (Solidus), °C | 1420 | |
| 1700 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 500 |
| Thermal Expansion, µm/m-K | 13 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 48 |
| Density, g/cm3 | 7.8 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 31 |
| Embodied Energy, MJ/kg | 20 | |
| 480 |
| Embodied Water, L/kg | 51 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 180 | |
| 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 3930 | |
| 1110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 32 |
| Strength to Weight: Axial, points | 24 to 47 | |
| 40 |
| Strength to Weight: Bending, points | 22 to 34 | |
| 35 |
| Thermal Shock Resistance, points | 19 to 39 | |
| 48 |
Alloy Composition
| Carbon (C), % | 0.48 to 0.53 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0.8 to 1.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 96.7 to 97.7 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0.75 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.25 | |
| 14 to 16 |
| 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 | |
| 83.5 to 86 |