SAE-AISI 1012 Steel vs. Grade 37 Titanium
SAE-AISI 1012 steel belongs to the iron alloys classification, while grade 37 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 1012 steel and the bottom bar is grade 37 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 21 to 31 | |
| 22 |
| Fatigue Strength, MPa | 150 to 230 | |
| 170 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 45 to 57 | |
| 34 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 230 to 250 | |
| 240 |
| Tensile Strength: Ultimate (UTS), MPa | 360 to 400 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 200 to 330 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 310 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1650 |
| Melting Onset (Solidus), °C | 1420 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 53 | |
| 21 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.9 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.9 | |
| 6.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 36 |
| Density, g/cm3 | 7.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 31 |
| Embodied Energy, MJ/kg | 18 | |
| 500 |
| Embodied Water, L/kg | 45 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 to 93 | |
| 76 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 300 | |
| 280 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 13 to 14 | |
| 24 |
| Strength to Weight: Bending, points | 14 to 15 | |
| 26 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.4 |
| Thermal Shock Resistance, points | 11 to 13 | |
| 29 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.0 to 2.0 |
| Carbon (C), % | 0.1 to 0.15 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 99.16 to 99.6 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 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 | |
| 96.9 to 99 |
| Residuals, % | 0 | |
| 0 to 0.4 |