AISI 420 Stainless Steel vs. Grade 36 Titanium
AISI 420 stainless steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 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 AISI 420 stainless steel and the bottom bar is grade 36 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 8.0 to 15 | |
| 11 |
| Fatigue Strength, MPa | 220 to 670 | |
| 300 |
| Poisson's Ratio | 0.28 | |
| 0.36 |
| Shear Modulus, GPa | 76 | |
| 39 |
| Shear Strength, MPa | 420 to 1010 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 1720 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1310 | |
| 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 620 | |
| 320 |
| Melting Completion (Liquidus), °C | 1510 | |
| 2020 |
| Melting Onset (Solidus), °C | 1450 | |
| 1950 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 420 |
| Thermal Expansion, µm/m-K | 10 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 58 |
| Embodied Energy, MJ/kg | 28 | |
| 920 |
| Embodied Water, L/kg | 100 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 130 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 4410 | |
| 1260 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 25 to 62 | |
| 23 |
| Strength to Weight: Bending, points | 22 to 41 | |
| 23 |
| Thermal Shock Resistance, points | 25 to 62 | |
| 45 |
Alloy Composition
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| Carbon (C), % | 0.15 to 0.4 | |
| 0 to 0.030 |
| Chromium (Cr), % | 12 to 14 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0035 |
| Iron (Fe), % | 82.3 to 87.9 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.75 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 42 to 47 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 52.3 to 58 |
| Residuals, % | 0 | |
| 0 to 0.4 |