Grade 7 Titanium vs. EN 1.8153 Steel
Grade 7 titanium belongs to the titanium alloys classification, while EN 1.8153 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 7 titanium and the bottom bar is EN 1.8153 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 200 to 570 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 670 to 2040 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 410 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1440 |
| Melting Onset (Solidus), °C | 1610 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 22 | |
| 45 |
| Thermal Expansion, µm/m-K | 9.2 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.2 | |
| 8.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 1.8 |
| Embodied Energy, MJ/kg | 800 | |
| 25 |
| Embodied Water, L/kg | 470 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 26 | |
| 24 to 74 |
| Strength to Weight: Bending, points | 28 | |
| 22 to 46 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 12 |
| Thermal Shock Resistance, points | 31 | |
| 20 to 62 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.56 to 0.64 |
| Chromium (Cr), % | 0 | |
| 0.2 to 0.4 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 95.7 to 96.9 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 1.5 to 2.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 98.7 to 99.88 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.2 |
| Residuals, % | 0 to 0.4 | |
| 0 |