SAE-AISI 1043 Steel vs. Grade 7 Titanium
SAE-AISI 1043 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 1043 steel and the bottom bar is grade 7 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 200 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 13 to 18 | |
| 24 |
| Fatigue Strength, MPa | 230 to 390 | |
| 250 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 40 to 51 | |
| 34 |
| Shear Modulus, GPa | 73 | |
| 38 |
| Shear Strength, MPa | 400 to 430 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 710 | |
| 420 |
| Tensile Strength: Yield (Proof), MPa | 350 to 600 | |
| 340 |
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 | 51 | |
| 22 |
| Thermal Expansion, µm/m-K | 12 | |
| 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 | 18 | |
| 800 |
| Embodied Water, L/kg | 46 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
| 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 320 to 980 | |
| 560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 23 to 25 | |
| 26 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 28 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.9 |
| Thermal Shock Resistance, points | 21 to 22 | |
| 31 |
Alloy Composition
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| Carbon (C), % | 0.4 to 0.47 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 98.4 to 98.9 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 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 |