Grade 17 Titanium vs. S39274 Stainless Steel
Grade 17 titanium belongs to the titanium alloys classification, while S39274 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is grade 17 titanium and the bottom bar is S39274 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
210 |
Elongation at Break, % | 27 | |
17 |
Fatigue Strength, MPa | 160 | |
380 |
Poisson's Ratio | 0.32 | |
0.27 |
Reduction in Area, % | 34 | |
34 |
Shear Modulus, GPa | 38 | |
81 |
Shear Strength, MPa | 180 | |
560 |
Tensile Strength: Ultimate (UTS), MPa | 270 | |
900 |
Tensile Strength: Yield (Proof), MPa | 210 | |
620 |
Thermal Properties
Latent Heat of Fusion, J/g | 420 | |
300 |
Maximum Temperature: Mechanical, °C | 320 | |
1100 |
Melting Completion (Liquidus), °C | 1660 | |
1480 |
Melting Onset (Solidus), °C | 1610 | |
1430 |
Specific Heat Capacity, J/kg-K | 540 | |
470 |
Thermal Conductivity, W/m-K | 23 | |
16 |
Thermal Expansion, µm/m-K | 8.7 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
2.4 |
Otherwise Unclassified Properties
Density, g/cm3 | 4.5 | |
8.0 |
Embodied Carbon, kg CO2/kg material | 36 | |
4.3 |
Embodied Energy, MJ/kg | 600 | |
60 |
Embodied Water, L/kg | 230 | |
180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 | |
140 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
940 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 35 | |
25 |
Strength to Weight: Axial, points | 17 | |
32 |
Strength to Weight: Bending, points | 21 | |
26 |
Thermal Diffusivity, mm2/s | 9.3 | |
4.2 |
Thermal Shock Resistance, points | 21 | |
25 |
Alloy Composition
Carbon (C), % | 0 to 0.080 | |
0 to 0.030 |
Chromium (Cr), % | 0 | |
24 to 26 |
Copper (Cu), % | 0 | |
0.2 to 0.8 |
Hydrogen (H), % | 0 to 0.015 | |
0 |
Iron (Fe), % | 0 to 0.2 | |
57 to 65.6 |
Manganese (Mn), % | 0 | |
0 to 1.0 |
Molybdenum (Mo), % | 0 | |
2.5 to 3.5 |
Nickel (Ni), % | 0 | |
6.0 to 8.0 |
Nitrogen (N), % | 0 to 0.030 | |
0.24 to 0.32 |
Oxygen (O), % | 0 to 0.18 | |
0 |
Palladium (Pd), % | 0.040 to 0.080 | |
0 |
Phosphorus (P), % | 0 | |
0 to 0.030 |
Silicon (Si), % | 0 | |
0 to 0.8 |
Sulfur (S), % | 0 | |
0 to 0.020 |
Titanium (Ti), % | 99.015 to 99.96 | |
0 |
Tungsten (W), % | 0 | |
1.5 to 2.5 |
Residuals, % | 0 to 0.4 | |
0 |