Grade 25 Titanium vs. Grade FDSiCrV Steel
Grade 25 titanium belongs to the titanium alloys classification, while grade FDSiCrV 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 25 titanium and the bottom bar is grade FDSiCrV steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
190 |
Poisson's Ratio | 0.32 | |
0.29 |
Reduction in Area, % | 29 | |
42 |
Shear Modulus, GPa | 40 | |
80 |
Tensile Strength: Ultimate (UTS), MPa | 1000 | |
2100 |
Thermal Properties
Latent Heat of Fusion, J/g | 410 | |
270 |
Maximum Temperature: Mechanical, °C | 340 | |
420 |
Melting Completion (Liquidus), °C | 1610 | |
1440 |
Melting Onset (Solidus), °C | 1560 | |
1400 |
Specific Heat Capacity, J/kg-K | 560 | |
480 |
Thermal Conductivity, W/m-K | 7.1 | |
47 |
Thermal Expansion, µm/m-K | 9.6 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
7.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
8.6 |
Otherwise Unclassified Properties
Density, g/cm3 | 4.5 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 43 | |
1.9 |
Embodied Energy, MJ/kg | 700 | |
26 |
Embodied Water, L/kg | 320 | |
50 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 35 | |
25 |
Strength to Weight: Axial, points | 62 | |
75 |
Strength to Weight: Bending, points | 50 | |
47 |
Thermal Diffusivity, mm2/s | 2.8 | |
13 |
Thermal Shock Resistance, points | 71 | |
63 |
Alloy Composition
Aluminum (Al), % | 5.5 to 6.8 | |
0 |
Carbon (C), % | 0 to 0.080 | |
0.5 to 0.7 |
Chromium (Cr), % | 0 | |
0.5 to 1.0 |
Copper (Cu), % | 0 | |
0 to 0.12 |
Hydrogen (H), % | 0 to 0.013 | |
0 |
Iron (Fe), % | 0 to 0.4 | |
96 to 97.8 |
Manganese (Mn), % | 0 | |
0.4 to 0.9 |
Nickel (Ni), % | 0.3 to 0.8 | |
0 |
Nitrogen (N), % | 0 to 0.050 | |
0 |
Oxygen (O), % | 0 to 0.2 | |
0 |
Palladium (Pd), % | 0.040 to 0.080 | |
0 |
Phosphorus (P), % | 0 | |
0 to 0.030 |
Silicon (Si), % | 0 | |
1.2 to 1.7 |
Sulfur (S), % | 0 | |
0 to 0.025 |
Titanium (Ti), % | 86.7 to 90.6 | |
0 |
Vanadium (V), % | 3.5 to 4.5 | |
0.1 to 0.25 |
Residuals, % | 0 to 0.4 | |
0 |