Titanium 4-4-2 vs. AISI 403 Stainless Steel
Titanium 4-4-2 belongs to the titanium alloys classification, while AISI 403 stainless steel belongs to the iron 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 titanium 4-4-2 and the bottom bar is AISI 403 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 10 | |
| 16 to 25 |
| Fatigue Strength, MPa | 590 to 620 | |
| 200 to 340 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Reduction in Area, % | 20 | |
| 47 to 50 |
| Shear Modulus, GPa | 42 | |
| 76 |
| Shear Strength, MPa | 690 to 750 | |
| 340 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 530 to 780 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 280 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 740 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1450 |
| Melting Onset (Solidus), °C | 1560 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 28 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 6.5 |
| Density, g/cm3 | 4.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 1.9 |
| Embodied Energy, MJ/kg | 480 | |
| 27 |
| Embodied Water, L/kg | 180 | |
| 99 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 210 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 19 to 28 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 7.6 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 20 to 29 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 11.5 to 13 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 84.7 to 88.5 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.6 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |