B390.0 Aluminum vs. AWS ERTi-12
B390.0 aluminum belongs to the aluminum alloys classification, while AWS ERTi-12 belongs to the titanium alloys.
For each property being compared, the top bar is B390.0 aluminum and the bottom bar is AWS ERTi-12.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 76 | |
| 110 |
| Elongation at Break, % | 0.88 | |
| 12 |
| Fatigue Strength, MPa | 170 | |
| 200 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 29 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 320 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 640 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 320 |
| Melting Completion (Liquidus), °C | 580 | |
| 1670 |
| Melting Onset (Solidus), °C | 580 | |
| 1620 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 540 |
| Thermal Conductivity, W/m-K | 130 | |
| 21 |
| Thermal Expansion, µm/m-K | 20 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 88 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 37 |
| Density, g/cm3 | 2.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 7.3 | |
| 31 |
| Embodied Energy, MJ/kg | 130 | |
| 510 |
| Embodied Water, L/kg | 940 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.6 | |
| 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 410 | |
| 550 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 35 |
| Strength to Weight: Axial, points | 32 | |
| 30 |
| Strength to Weight: Bending, points | 38 | |
| 30 |
| Thermal Diffusivity, mm2/s | 55 | |
| 8.7 |
| Thermal Shock Resistance, points | 15 | |
| 37 |
Alloy Composition
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| Aluminum (Al), % | 72.7 to 79.6 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0080 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0.45 to 0.65 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 to 0.1 | |
| 0.060 to 0.090 |
| Nitrogen (N), % | 0 | |
| 0 to 0.015 |
| Oxygen (O), % | 0 | |
| 0.080 to 0.16 |
| Silicon (Si), % | 16 to 18 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 99.147 to 99.66 |
| Zinc (Zn), % | 0 to 1.5 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |