Grade 34 Titanium vs. EN 1.7177 Steel
Grade 34 titanium belongs to the titanium alloys classification, while EN 1.7177 steel belongs to the iron alloys. There are 24 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 grade 34 titanium and the bottom bar is EN 1.7177 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 41 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 660 to 1990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 420 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1450 |
| Melting Onset (Solidus), °C | 1610 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 47 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 2.1 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 1.4 |
| Embodied Energy, MJ/kg | 530 | |
| 19 |
| Embodied Water, L/kg | 200 | |
| 49 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 31 | |
| 23 to 71 |
| Strength to Weight: Bending, points | 31 | |
| 21 to 45 |
| Thermal Diffusivity, mm2/s | 8.4 | |
| 13 |
| Thermal Shock Resistance, points | 39 | |
| 19 to 59 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.55 to 0.65 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 0.6 to 0.9 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 97 to 98.2 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 0 |
| 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 0.025 |
| Ruthenium (Ru), % | 0.020 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 98 to 99.52 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |