S35000 Stainless Steel vs. Grade 15 Titanium
S35000 stainless steel belongs to the iron alloys classification, while grade 15 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 S35000 stainless steel and the bottom bar is grade 15 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 2.3 to 14 | |
| 20 |
| Fatigue Strength, MPa | 380 to 520 | |
| 290 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 78 | |
| 41 |
| Shear Strength, MPa | 740 to 950 | |
| 340 |
| Tensile Strength: Ultimate (UTS), MPa | 1300 to 1570 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1160 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1410 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 16 | |
| 21 |
| Thermal Expansion, µm/m-K | 11 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 6.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 37 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 32 |
| Embodied Energy, MJ/kg | 44 | |
| 520 |
| Embodied Water, L/kg | 130 | |
| 210 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 to 170 | |
| 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1070 to 3360 | |
| 870 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 46 to 56 | |
| 33 |
| Strength to Weight: Bending, points | 34 to 38 | |
| 33 |
| Thermal Diffusivity, mm2/s | 4.4 | |
| 8.4 |
| Thermal Shock Resistance, points | 42 to 51 | |
| 41 |
Alloy Composition
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| Carbon (C), % | 0.070 to 0.11 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 17 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 72.7 to 76.9 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.5 to 1.3 | |
| 0 |
| Molybdenum (Mo), % | 2.5 to 3.2 | |
| 0 |
| Nickel (Ni), % | 4.0 to 5.0 | |
| 0.4 to 0.6 |
| Nitrogen (N), % | 0.070 to 0.13 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.040 to 0.060 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.2 to 99.56 |
| Residuals, % | 0 | |
| 0 to 0.4 |