Titanium 4-4-2 vs. EN 1.6570 Steel
Titanium 4-4-2 belongs to the titanium alloys classification, while EN 1.6570 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is EN 1.6570 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 10 | |
| 11 to 17 |
| Fatigue Strength, MPa | 590 to 620 | |
| 500 to 660 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 910 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 760 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 440 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1460 |
| Melting Onset (Solidus), °C | 1560 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 40 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 3.9 |
| Density, g/cm3 | 4.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 1.7 |
| Embodied Energy, MJ/kg | 480 | |
| 23 |
| Embodied Water, L/kg | 180 | |
| 56 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 120 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 1520 to 3010 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 24 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 32 to 40 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 27 to 31 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 11 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 27 to 33 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.28 to 0.35 |
| Chromium (Cr), % | 0 | |
| 1.0 to 1.4 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 94 to 96.2 |
| Manganese (Mn), % | 0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 0 | |
| 1.6 to 2.1 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |