2219 Aluminium Alloy
Products Description Mechanical Properties Aluminium 2219 - Sheet / Plater (Bare) Its weldability is another jewel in its crown. The alloy exhibits excellent fusion characteristics, allowing for seamless and high-strength joints to be created during manufacturing processes. This is of paramount...
Description
Products Description
| Chemical Composition | |||||||||||
| Weight% | Al | Si | Fe | Cu | Mn | Mg | Zn | Ti | Others | V | Zn |
| 2219 | Bal | 0.20 max | 0.30 max | 5.80-6.80 | 0.20-0.40 | 0.02 max | 0.10 max | 0.02-0.10 | 0.050 each 0.15 total |
0.05-0.15 | 0.10-0.25 |
Mechanical Properties
| Material | Temper | Direction | Tensile Strength ksi | Yield Strength ksi | Elongation in 2" (%) |
| 2219 | T8511 | L | 58 | 42 | 6 |
| 2219 | T8511 | LT | 56 | 39 | 4 |
Aluminium 2219 - Sheet / Plater (Bare)
| Material | Temper | Thickness | Tensile Strength ksi | Yield Strength ksi | Elongation in 2" (%) |
| 2219 | 0 | 0.020"-2.00 | 32 max | 16 max | 12 |
| 2219 | T351 | 0.250" - 2.00" | 46 | 28 | 10 |
| 2219 | T851 | 0.250" - 2.00" | 62 | 46 | 7-8 |
Its weldability is another jewel in its crown. The alloy exhibits excellent fusion characteristics, allowing for seamless and high-strength joints to be created during manufacturing processes. This is of paramount importance in the construction of large-scale industrial assemblies, such as in the building of bridges and railway cars. Engineers can rely on the predictable behavior of 2219 aluminium during welding, facilitating the assembly of complex structures with confidence, knowing that the joints will hold up under long-term use and heavy loads.
In terms of corrosion resistance, while not impervious to all corrosive agents by nature, with appropriate surface treatments like anodizing or the application of corrosion-inhibiting coatings, it can endure exposure to a wide range of environments. In marine applications, for example, it has been successfully utilized in the fabrication of boat hulls and offshore platform components, provided that the necessary preventative measures are taken to counteract the corrosive effects of saltwater and humidity.
The alloy also demonstrates good fatigue resistance, meaning it can withstand repeated cycles of stress without succumbing to premature failure. This quality is vital in applications like aircraft landing gear and wind turbine blades, where cyclic loading is an inherent part of the operation. Additionally, its relatively low density compared to many traditional metals offers the advantage of weight reduction, which is crucial in transportation and energy-efficient applications. As research continues to evolve, new avenues for optimizing the 2219 alloy's properties are being explored, potentially expanding its use in emerging technologies such as hyperloop systems and advanced robotics, where strength, durability, and weldability are all essential ingredients for success.
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