Grade 34 Titanium vs. EN 1.6580 Steel
Grade 34 titanium belongs to the titanium alloys classification, while EN 1.6580 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 34 titanium and the bottom bar is EN 1.6580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 20 | |
| 11 to 19 |
| Fatigue Strength, MPa | 310 | |
| 310 to 610 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 41 | |
| 73 |
| Shear Strength, MPa | 320 | |
| 450 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 720 to 1170 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 460 to 990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 450 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 40 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 4.3 |
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 1.8 |
| Embodied Energy, MJ/kg | 530 | |
| 23 |
| Embodied Water, L/kg | 200 | |
| 59 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 | |
| 560 to 2590 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 31 | |
| 26 to 41 |
| Strength to Weight: Bending, points | 31 | |
| 23 to 31 |
| Thermal Diffusivity, mm2/s | 8.4 | |
| 11 |
| Thermal Shock Resistance, points | 39 | |
| 21 to 34 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.26 to 0.34 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 1.8 to 2.2 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 1.8 to 2.2 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Palladium (Pd), % | 0.010 to 0.020 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Ruthenium (Ru), % | 0.020 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Titanium (Ti), % | 98 to 99.52 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |