Grade 24 Titanium vs. EN 1.1221 Steel
Grade 24 titanium belongs to the titanium alloys classification, while EN 1.1221 steel belongs to the iron alloys. There are 29 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 24 titanium and the bottom bar is EN 1.1221 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
190 |
Elongation at Break, % | 11 | |
10 to 21 |
Fatigue Strength, MPa | 550 | |
240 to 340 |
Poisson's Ratio | 0.32 | |
0.29 |
Shear Modulus, GPa | 40 | |
72 |
Shear Strength, MPa | 610 | |
450 to 520 |
Tensile Strength: Ultimate (UTS), MPa | 1010 | |
730 to 870 |
Tensile Strength: Yield (Proof), MPa | 940 | |
390 to 550 |
Thermal Properties
Latent Heat of Fusion, J/g | 410 | |
250 |
Maximum Temperature: Mechanical, °C | 340 | |
400 |
Melting Completion (Liquidus), °C | 1610 | |
1460 |
Melting Onset (Solidus), °C | 1560 | |
1410 |
Specific Heat Capacity, J/kg-K | 560 | |
470 |
Thermal Conductivity, W/m-K | 7.1 | |
48 |
Thermal Expansion, µm/m-K | 9.6 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
8.3 |
Otherwise Unclassified Properties
Density, g/cm3 | 4.5 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 43 | |
1.5 |
Embodied Energy, MJ/kg | 710 | |
19 |
Embodied Water, L/kg | 310 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
67 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 4160 | |
410 to 800 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 35 | |
24 |
Strength to Weight: Axial, points | 63 | |
26 to 31 |
Strength to Weight: Bending, points | 50 | |
23 to 26 |
Thermal Diffusivity, mm2/s | 2.9 | |
13 |
Thermal Shock Resistance, points | 72 | |
23 to 28 |
Alloy Composition
Aluminum (Al), % | 5.5 to 6.8 | |
0 |
Carbon (C), % | 0 to 0.080 | |
0.57 to 0.65 |
Chromium (Cr), % | 0 | |
0 to 0.4 |
Hydrogen (H), % | 0 to 0.015 | |
0 |
Iron (Fe), % | 0 to 0.4 | |
97.1 to 98.8 |
Manganese (Mn), % | 0 | |
0.6 to 0.9 |
Molybdenum (Mo), % | 0 | |
0 to 0.1 |
Nickel (Ni), % | 0 | |
0 to 0.4 |
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 0.035 |
Silicon (Si), % | 0 | |
0 to 0.4 |
Sulfur (S), % | 0 | |
0 to 0.035 |
Titanium (Ti), % | 87.5 to 91 | |
0 |
Vanadium (V), % | 3.5 to 4.5 | |
0 |
Residuals, % | 0 to 0.4 | |
0 |