AWS ERTi-5 vs. 7020 Aluminum
AWS ERTi-5 belongs to the titanium alloys classification, while 7020 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is 7020 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
70 |
Elongation at Break, % | 10 | |
8.4 to 14 |
Fatigue Strength, MPa | 470 | |
110 to 130 |
Poisson's Ratio | 0.32 | |
0.33 |
Shear Modulus, GPa | 40 | |
26 |
Tensile Strength: Ultimate (UTS), MPa | 900 | |
190 to 390 |
Tensile Strength: Yield (Proof), MPa | 830 | |
120 to 310 |
Thermal Properties
Latent Heat of Fusion, J/g | 410 | |
380 |
Maximum Temperature: Mechanical, °C | 340 | |
210 |
Melting Completion (Liquidus), °C | 1610 | |
650 |
Melting Onset (Solidus), °C | 1560 | |
610 |
Specific Heat Capacity, J/kg-K | 560 | |
880 |
Thermal Conductivity, W/m-K | 7.1 | |
150 |
Thermal Expansion, µm/m-K | 9.6 | |
23 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
39 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
120 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 36 | |
9.5 |
Density, g/cm3 | 4.4 | |
2.9 |
Embodied Carbon, kg CO2/kg material | 38 | |
8.3 |
Embodied Energy, MJ/kg | 610 | |
150 |
Embodied Water, L/kg | 200 | |
1150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 | |
23 to 46 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 3250 | |
110 to 690 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 35 | |
47 |
Strength to Weight: Axial, points | 56 | |
18 to 37 |
Strength to Weight: Bending, points | 46 | |
25 to 41 |
Thermal Diffusivity, mm2/s | 2.9 | |
59 |
Thermal Shock Resistance, points | 63 | |
8.3 to 17 |
Alloy Composition
Aluminum (Al), % | 5.5 to 6.8 | |
91.2 to 94.8 |
Carbon (C), % | 0 to 0.050 | |
0 |
Chromium (Cr), % | 0 | |
0.1 to 0.35 |
Copper (Cu), % | 0 | |
0 to 0.2 |
Hydrogen (H), % | 0 to 0.015 | |
0 |
Iron (Fe), % | 0 to 0.22 | |
0 to 0.4 |
Magnesium (Mg), % | 0 | |
1.0 to 1.4 |
Manganese (Mn), % | 0 | |
0.050 to 0.5 |
Nitrogen (N), % | 0 to 0.030 | |
0 |
Oxygen (O), % | 0.12 to 0.2 | |
0 |
Silicon (Si), % | 0 | |
0 to 0.35 |
Titanium (Ti), % | 88.2 to 90.9 | |
0 to 0.25 |
Vanadium (V), % | 3.5 to 4.5 | |
0 |
Zinc (Zn), % | 0 | |
4.0 to 5.0 |
Zirconium (Zr), % | 0 | |
0.080 to 0.25 |
Residuals, % | 0 | |
0 to 0.15 |