EN 1.0303 Steel vs. Titanium 4-4-2
EN 1.0303 steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 12 to 25 | |
| 10 |
| Fatigue Strength, MPa | 150 to 230 | |
| 590 to 620 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 75 to 86 | |
| 20 |
| Shear Modulus, GPa | 73 | |
| 42 |
| Shear Strength, MPa | 220 to 260 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 410 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 200 to 320 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 310 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1610 |
| Melting Onset (Solidus), °C | 1430 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 53 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 12 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 39 |
| Density, g/cm3 | 7.9 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 30 |
| Embodied Energy, MJ/kg | 18 | |
| 480 |
| Embodied Water, L/kg | 46 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 94 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 270 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 34 |
| Strength to Weight: Axial, points | 10 to 15 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 12 to 16 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 14 | |
| 2.6 |
| Thermal Shock Resistance, points | 9.2 to 13 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 0.020 to 0.060 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0.020 to 0.060 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 99.335 to 99.71 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0.25 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |