AISI 302 Stainless Steel vs. Grade Ti-Pd18 Titanium
AISI 302 stainless steel belongs to the iron alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 29 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 AISI 302 stainless steel and the bottom bar is grade Ti-Pd18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 440 | |
| 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 4.5 to 46 | |
| 17 |
| Fatigue Strength, MPa | 210 to 520 | |
| 350 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 1430 | |
| 710 |
| Tensile Strength: Yield (Proof), MPa | 230 to 1100 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 710 | |
| 330 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1640 |
| Melting Onset (Solidus), °C | 1400 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 550 |
| Thermal Conductivity, W/m-K | 16 | |
| 8.2 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 41 |
| Embodied Energy, MJ/kg | 42 | |
| 670 |
| Embodied Water, L/kg | 140 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 to 260 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 3070 | |
| 1380 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 21 to 51 | |
| 44 |
| Strength to Weight: Bending, points | 20 to 36 | |
| 39 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 3.3 |
| Thermal Shock Resistance, points | 12 to 31 | |
| 52 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.1 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 67.9 to 75 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 8.0 to 10 | |
| 0 to 0.050 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.5 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |