SAE-AISI 1086 Steel vs. Grade 7 Titanium
SAE-AISI 1086 steel belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1086 steel and the bottom bar is grade 7 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 260 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 | |
| 24 |
| Fatigue Strength, MPa | 300 to 360 | |
| 250 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 28 to 45 | |
| 34 |
| Shear Modulus, GPa | 72 | |
| 38 |
| Shear Strength, MPa | 450 to 520 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 870 | |
| 420 |
| Tensile Strength: Yield (Proof), MPa | 480 to 580 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1410 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 50 | |
| 22 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.2 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 7.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 47 |
| Embodied Energy, MJ/kg | 19 | |
| 800 |
| Embodied Water, L/kg | 45 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 84 | |
| 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 890 | |
| 560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 27 to 31 | |
| 26 |
| Strength to Weight: Bending, points | 24 to 26 | |
| 28 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.9 |
| Thermal Shock Resistance, points | 26 to 30 | |
| 31 |
Alloy Composition
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| Carbon (C), % | 0.8 to 0.93 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 98.5 to 98.9 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.3 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.7 to 99.88 |
| Residuals, % | 0 | |
| 0 to 0.4 |