ASTM A387 Grade 11 Steel vs. Grade 36 Titanium
ASTM A387 grade 11 steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 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 ASTM A387 grade 11 steel and the bottom bar is grade 36 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 25 | |
| 11 |
| Fatigue Strength, MPa | 200 to 250 | |
| 300 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Shear Strength, MPa | 320 to 390 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 600 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 270 to 350 | |
| 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 2020 |
| Melting Onset (Solidus), °C | 1420 | |
| 1950 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 420 |
| Thermal Expansion, µm/m-K | 13 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 58 |
| Embodied Energy, MJ/kg | 21 | |
| 920 |
| Embodied Water, L/kg | 53 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 130 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 to 320 | |
| 1260 |
| Stiffness to Weight: Axial, points | 13 | |
| 9.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 23 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 23 |
| Thermal Shock Resistance, points | 15 to 18 | |
| 45 |
Alloy Composition
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| Carbon (C), % | 0.050 to 0.17 | |
| 0 to 0.030 |
| Chromium (Cr), % | 1.0 to 1.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0035 |
| Iron (Fe), % | 96.2 to 97.6 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0.4 to 0.65 | |
| 0 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 42 to 47 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0.5 to 0.8 | |
| 0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 52.3 to 58 |
| Residuals, % | 0 | |
| 0 to 0.4 |