Grade 5 Titanium vs. S45503 Stainless Steel
Grade 5 titanium belongs to the titanium alloys classification, while S45503 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is grade 5 titanium and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 8.6 to 11 | |
| 4.6 to 6.8 |
| Fatigue Strength, MPa | 530 to 630 | |
| 710 to 800 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Reduction in Area, % | 21 to 25 | |
| 17 to 28 |
| Rockwell C Hardness | 33 | |
| 46 to 54 |
| Shear Modulus, GPa | 40 | |
| 75 |
| Shear Strength, MPa | 600 to 710 | |
| 940 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 760 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1440 |
| Melting Onset (Solidus), °C | 1650 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 470 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 15 |
| Density, g/cm3 | 4.4 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 3.4 |
| Embodied Energy, MJ/kg | 610 | |
| 48 |
| Embodied Water, L/kg | 200 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 82 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 56 to 64 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.8 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 87.4 to 91 | |
| 1.0 to 1.4 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |