EN 1.4371 Stainless Steel vs. Titanium 6-7
EN 1.4371 stainless steel belongs to the iron alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4371 stainless steel and the bottom bar is titanium 6-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 45 to 51 | |
| 11 |
| Fatigue Strength, MPa | 290 to 340 | |
| 530 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 45 |
| Shear Strength, MPa | 520 to 540 | |
| 610 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 320 to 340 | |
| 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 300 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1700 |
| Melting Onset (Solidus), °C | 1370 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 75 |
| Density, g/cm3 | 7.7 | |
| 5.1 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 34 |
| Embodied Energy, MJ/kg | 38 | |
| 540 |
| Embodied Water, L/kg | 140 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 270 to 310 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 300 | |
| 3460 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 32 |
| Strength to Weight: Axial, points | 27 | |
| 56 |
| Strength to Weight: Bending, points | 24 | |
| 44 |
| Thermal Shock Resistance, points | 16 | |
| 66 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 5.5 to 6.5 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 17.5 | |
| 0 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0090 |
| Iron (Fe), % | 66.7 to 74.4 | |
| 0 to 0.25 |
| Manganese (Mn), % | 6.0 to 8.0 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 7.5 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 6.5 to 7.5 |
| Nitrogen (N), % | 0.15 to 0.25 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 | |
| 84.9 to 88 |