AISI 301L Stainless Steel vs. Grade 7 Titanium
AISI 301L stainless steel belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is AISI 301L stainless steel and the bottom bar is grade 7 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 320 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 22 to 50 | |
| 24 |
| Fatigue Strength, MPa | 240 to 530 | |
| 250 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 38 |
| Shear Strength, MPa | 440 to 660 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1040 | |
| 420 |
| Tensile Strength: Yield (Proof), MPa | 250 to 790 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 320 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1660 |
| Melting Onset (Solidus), °C | 1390 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 15 | |
| 22 |
| Thermal Expansion, µm/m-K | 16 | |
| 9.2 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 7.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 47 |
| Embodied Energy, MJ/kg | 39 | |
| 800 |
| Embodied Water, L/kg | 130 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 210 to 300 | |
| 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1580 | |
| 560 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 22 to 37 | |
| 26 |
| Strength to Weight: Bending, points | 21 to 29 | |
| 28 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 8.9 |
| Thermal Shock Resistance, points | 14 to 24 | |
| 31 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 70.7 to 78 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 6.0 to 8.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.2 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.7 to 99.88 |
| Residuals, % | 0 | |
| 0 to 0.4 |