SAE-AISI 1070 Steel vs. Grade 2 Titanium
SAE-AISI 1070 steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 32 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 1070 steel and the bottom bar is grade 2 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 230 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 10 to 13 | |
| 23 |
| Fatigue Strength, MPa | 270 to 350 | |
| 250 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 34 to 51 | |
| 37 |
| Shear Modulus, GPa | 72 | |
| 38 |
| Shear Strength, MPa | 380 to 460 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 760 | |
| 420 |
| Tensile Strength: Yield (Proof), MPa | 420 to 560 | |
| 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1420 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 50 | |
| 22 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.0 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 7.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 37 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 31 |
| Embodied Energy, MJ/kg | 19 | |
| 510 |
| Embodied Water, L/kg | 46 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 to 86 | |
| 92 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 850 | |
| 600 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 23 to 27 | |
| 26 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 28 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.9 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 32 |
Alloy Composition
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| Carbon (C), % | 0.65 to 0.75 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 98.3 to 98.8 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.9 to 100 |
| Residuals, % | 0 | |
| 0 to 0.4 |