ASTM F15 Fe-Ni-Co vs. Grade 34 Titanium
ASTM F15 Fe-Ni-Co belongs to the iron alloys classification, while grade 34 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM F15 Fe-Ni-Co and the bottom bar is grade 34 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 880 | |
| 510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 420 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1660 |
| Melting Onset (Solidus), °C | 1450 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 540 |
| Thermal Conductivity, W/m-K | 17 | |
| 21 |
| Thermal Expansion, µm/m-K | 6.0 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 | |
| 6.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 49 | |
| 55 |
| Density, g/cm3 | 8.3 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 5.2 | |
| 33 |
| Embodied Energy, MJ/kg | 71 | |
| 530 |
| Embodied Water, L/kg | 190 | |
| 200 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 35 |
| Strength to Weight: Axial, points | 17 to 29 | |
| 31 |
| Strength to Weight: Bending, points | 17 to 24 | |
| 31 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 8.4 |
| Thermal Shock Resistance, points | 32 to 55 | |
| 39 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Carbon (C), % | 0 to 0.040 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0.1 to 0.2 |
| Cobalt (Co), % | 16 to 18 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 50.3 to 56 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 28 to 30 | |
| 0.35 to 0.55 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.35 |
| Palladium (Pd), % | 0 | |
| 0.010 to 0.020 |
| Ruthenium (Ru), % | 0 | |
| 0.020 to 0.040 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 98 to 99.52 |
| Zirconium (Zr), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |