AISI 317 Stainless Steel vs. Grade 6 Titanium
AISI 317 stainless steel belongs to the iron alloys classification, while grade 6 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 317 stainless steel and the bottom bar is grade 6 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 35 to 55 | |
| 11 |
| Fatigue Strength, MPa | 250 to 330 | |
| 290 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 79 | |
| 39 |
| Shear Strength, MPa | 420 to 470 | |
| 530 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 710 | |
| 890 |
| Tensile Strength: Yield (Proof), MPa | 250 to 420 | |
| 840 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 590 | |
| 310 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1580 |
| Melting Onset (Solidus), °C | 1380 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 15 | |
| 7.8 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 21 | |
| 36 |
| Density, g/cm3 | 7.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 4.3 | |
| 30 |
| Embodied Energy, MJ/kg | 59 | |
| 480 |
| Embodied Water, L/kg | 160 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 260 | |
| 92 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 430 | |
| 3390 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 20 to 25 | |
| 55 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 46 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 3.2 |
| Thermal Shock Resistance, points | 12 to 15 | |
| 65 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 4.0 to 6.0 |
| 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), % | 58 to 68 | |
| 0 to 0.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 11 to 15 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.0 to 3.0 |
| Titanium (Ti), % | 0 | |
| 89.8 to 94 |
| Residuals, % | 0 | |
| 0 to 0.4 |