EN 1.4418 Stainless Steel vs. Grade 34 Titanium
EN 1.4418 stainless steel belongs to the iron alloys classification, while grade 34 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is grade 34 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 16 to 20 | |
| 20 |
| Fatigue Strength, MPa | 350 to 480 | |
| 310 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 41 |
| Shear Strength, MPa | 530 to 620 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1000 | |
| 510 |
| Tensile Strength: Yield (Proof), MPa | 540 to 790 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 870 | |
| 320 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1660 |
| Melting Onset (Solidus), °C | 1400 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 15 | |
| 21 |
| Thermal Expansion, µm/m-K | 10 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 6.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 55 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 33 |
| Embodied Energy, MJ/kg | 39 | |
| 530 |
| Embodied Water, L/kg | 130 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 170 | |
| 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1590 | |
| 960 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 31 to 36 | |
| 31 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 8.4 |
| Thermal Shock Resistance, points | 31 to 36 | |
| 39 |
Alloy Composition
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| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.080 |
| Chromium (Cr), % | 15 to 17 | |
| 0.1 to 0.2 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 73.2 to 80.2 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 0.8 to 1.5 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 0.35 to 0.55 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.35 |
| Palladium (Pd), % | 0 | |
| 0.010 to 0.020 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.020 to 0.040 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98 to 99.52 |
| Residuals, % | 0 | |
| 0 to 0.4 |