AISI 304L Stainless Steel vs. Grade 25 Titanium
AISI 304L stainless steel belongs to the iron alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AISI 304L stainless steel and the bottom bar is grade 25 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
110 |
Elongation at Break, % | 6.7 to 46 | |
11 |
Fatigue Strength, MPa | 170 to 430 | |
550 |
Poisson's Ratio | 0.28 | |
0.32 |
Shear Modulus, GPa | 77 | |
40 |
Shear Strength, MPa | 370 to 680 | |
600 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 1160 | |
1000 |
Tensile Strength: Yield (Proof), MPa | 190 to 870 | |
940 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
410 |
Maximum Temperature: Mechanical, °C | 540 | |
340 |
Melting Completion (Liquidus), °C | 1450 | |
1610 |
Melting Onset (Solidus), °C | 1400 | |
1560 |
Specific Heat Capacity, J/kg-K | 480 | |
560 |
Thermal Conductivity, W/m-K | 16 | |
7.1 |
Thermal Expansion, µm/m-K | 17 | |
9.6 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
1.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
2.0 |
Otherwise Unclassified Properties
Density, g/cm3 | 7.8 | |
4.5 |
Embodied Carbon, kg CO2/kg material | 3.1 | |
43 |
Embodied Energy, MJ/kg | 44 | |
700 |
Embodied Water, L/kg | 150 | |
320 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 240 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 92 to 1900 | |
4220 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
35 |
Strength to Weight: Axial, points | 19 to 41 | |
62 |
Strength to Weight: Bending, points | 19 to 31 | |
50 |
Thermal Diffusivity, mm2/s | 4.2 | |
2.8 |
Thermal Shock Resistance, points | 12 to 25 | |
71 |
Alloy Composition
Aluminum (Al), % | 0 | |
5.5 to 6.8 |
Carbon (C), % | 0 to 0.030 | |
0 to 0.080 |
Chromium (Cr), % | 18 to 20 | |
0 |
Hydrogen (H), % | 0 | |
0 to 0.013 |
Iron (Fe), % | 65 to 74 | |
0 to 0.4 |
Manganese (Mn), % | 0 to 2.0 | |
0 |
Nickel (Ni), % | 8.0 to 12 | |
0.3 to 0.8 |
Nitrogen (N), % | 0 to 0.1 | |
0 to 0.050 |
Oxygen (O), % | 0 | |
0 to 0.2 |
Palladium (Pd), % | 0 | |
0.040 to 0.080 |
Phosphorus (P), % | 0 to 0.045 | |
0 |
Silicon (Si), % | 0 to 0.75 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Titanium (Ti), % | 0 | |
86.7 to 90.6 |
Vanadium (V), % | 0 | |
3.5 to 4.5 |
Residuals, % | 0 | |
0 to 0.4 |