S13800 Stainless Steel vs. Grade 20 Titanium
S13800 stainless steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is S13800 stainless steel and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 11 to 18 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 410 to 870 | |
| 550 to 630 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Reduction in Area, % | 39 to 62 | |
| 23 |
| Shear Modulus, GPa | 77 | |
| 47 |
| Shear Strength, MPa | 610 to 1030 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 980 to 1730 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1580 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 810 | |
| 370 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1660 |
| Melting Onset (Solidus), °C | 1410 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 52 |
| Embodied Energy, MJ/kg | 46 | |
| 860 |
| Embodied Water, L/kg | 140 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 190 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1090 to 5490 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 33 |
| Strength to Weight: Axial, points | 35 to 61 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 28 to 41 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 33 to 58 | |
| 55 to 77 |
Alloy Composition
| Aluminum (Al), % | 0.9 to 1.4 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 12.3 to 13.2 | |
| 5.5 to 6.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 73.6 to 77.3 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 7.5 to 8.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 to 0.0080 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |