AISI 304N Stainless Steel vs. Grade 9 Titanium
AISI 304N stainless steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is grade 9 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 9.1 to 45 | |
| 11 to 17 |
| Fatigue Strength, MPa | 220 to 440 | |
| 330 to 480 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 40 |
| Shear Strength, MPa | 420 to 700 | |
| 430 to 580 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1180 | |
| 700 to 960 |
| Tensile Strength: Yield (Proof), MPa | 270 to 850 | |
| 540 to 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 960 | |
| 330 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1640 |
| Melting Onset (Solidus), °C | 1380 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 550 |
| Thermal Conductivity, W/m-K | 16 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 16 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 37 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 36 |
| Embodied Energy, MJ/kg | 43 | |
| 580 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 280 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 1830 | |
| 1380 to 3220 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 22 to 42 | |
| 43 to 60 |
| Strength to Weight: Bending, points | 21 to 32 | |
| 39 to 48 |
| Thermal Diffusivity, mm2/s | 4.2 | |
| 3.3 |
| Thermal Shock Resistance, points | 14 to 26 | |
| 52 to 71 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Chromium (Cr), % | 18 to 20 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 66.4 to 73.9 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.16 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.6 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |