AISI 301LN Stainless Steel vs. Titanium 4-4-2
AISI 301LN stainless steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 28 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 301LN stainless steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 23 to 51 | |
| 10 |
| Fatigue Strength, MPa | 270 to 520 | |
| 590 to 620 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 42 |
| Shear Strength, MPa | 450 to 670 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1060 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 270 to 770 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 310 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1610 |
| Melting Onset (Solidus), °C | 1380 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 15 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 16 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 39 |
| Density, g/cm3 | 7.8 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 30 |
| Embodied Energy, MJ/kg | 39 | |
| 480 |
| Embodied Water, L/kg | 130 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 290 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 1520 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 34 |
| Strength to Weight: Axial, points | 22 to 38 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 21 to 30 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 2.6 |
| Thermal Shock Resistance, points | 14 to 24 | |
| 86 to 93 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 70.7 to 77.9 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 6.0 to 8.0 | |
| 0 |
| Nitrogen (N), % | 0.070 to 0.2 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |