AWS ERTi-1 vs. 238.0 Aluminum
AWS ERTi-1 belongs to the titanium alloys classification, while 238.0 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AWS ERTi-1 and the bottom bar is 238.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
76 |
Elongation at Break, % | 24 | |
1.5 |
Fatigue Strength, MPa | 120 | |
110 |
Poisson's Ratio | 0.32 | |
0.33 |
Shear Modulus, GPa | 41 | |
28 |
Tensile Strength: Ultimate (UTS), MPa | 240 | |
210 |
Tensile Strength: Yield (Proof), MPa | 170 | |
170 |
Thermal Properties
Latent Heat of Fusion, J/g | 420 | |
430 |
Maximum Temperature: Mechanical, °C | 320 | |
170 |
Melting Completion (Liquidus), °C | 1670 | |
600 |
Melting Onset (Solidus), °C | 1620 | |
510 |
Specific Heat Capacity, J/kg-K | 540 | |
840 |
Thermal Conductivity, W/m-K | 21 | |
100 |
Thermal Expansion, µm/m-K | 8.7 | |
21 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
25 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
67 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 37 | |
12 |
Density, g/cm3 | 4.5 | |
3.4 |
Embodied Carbon, kg CO2/kg material | 31 | |
7.4 |
Embodied Energy, MJ/kg | 510 | |
140 |
Embodied Water, L/kg | 110 | |
1040 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 52 | |
2.9 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
180 |
Stiffness to Weight: Axial, points | 13 | |
12 |
Stiffness to Weight: Bending, points | 35 | |
42 |
Strength to Weight: Axial, points | 15 | |
17 |
Strength to Weight: Bending, points | 19 | |
23 |
Thermal Diffusivity, mm2/s | 8.7 | |
37 |
Thermal Shock Resistance, points | 19 | |
9.1 |
Alloy Composition
Aluminum (Al), % | 0 | |
81.9 to 84.9 |
Carbon (C), % | 0 to 0.030 | |
0 |
Copper (Cu), % | 0 | |
9.5 to 10.5 |
Hydrogen (H), % | 0 to 0.0050 | |
0 |
Iron (Fe), % | 0 to 0.080 | |
1.0 to 1.5 |
Magnesium (Mg), % | 0 | |
0 to 0.25 |
Nitrogen (N), % | 0 to 0.012 | |
0 |
Oxygen (O), % | 0.030 to 0.1 | |
0 |
Silicon (Si), % | 0 | |
3.6 to 4.4 |
Titanium (Ti), % | 99.773 to 99.97 | |
0 |
Zinc (Zn), % | 0 | |
1.0 to 1.5 |