The 2A11 Aluminum Sheet is a premium alloy within the 2000 series, known for its excellent strength-to-weight ratio, high corrosion resistance, and wear resistance properties. The aluminum alloy 2A11 is extensively utilized across various industries that demand high-performance materials such as aerospace, military, sports, and commercial manufacturing.
Properties of 2A11 Aluminum Sheet
2A11 aluminum is primarily recognized for its unusual ability to retain tensile strength when exposed to elevated temperatures. Its attributes make it versatile and resilient, fulfilling multiple applicative demands. Below are the technical specifications relevant to this alloy.
1. Chemical Composition
2A11 aluminum alloy’s unique properties stem from its specific chemical composition. See the table below for detailed chemical properties.
| Element | Percentage (%) |
|---|---|
| Aluminum (Al) | Balance |
| Copper (Cu) | 3.8 - 5.0 |
| Manganese (Mn) | 0.2 - 0.6 |
| Magnesium (Mg) | 0.3 max |
| Silicon (Si) | 0.5 max |
| Iron (Fe) | 0.7 max |
| Zinc (Zn) | 0.25 max |
2. Technical Specifications
Besides chemical composition, the mechanical and physical characteristics ensure the 2A11 Aluminum Sheet facilitates high performance. Note the specifications below:
| Property | Value |
|---|---|
| Density | 2.77 g/cm³ |
| Modulus of Elasticity | 72.4 GPa |
| Ultimate Tensile Strength (UTS) | 565 - 630 MPa |
| Yield Strength | 505 MPa |
| Elongation (at Break) | 12% |
| Fatigue Strength | 110 - 230 MPa |
| Melting Point | 463 - 658 °C |
3. Alloy Tempering Conditions
When processing 2A11 aluminum alloys, appropriate tempering conditions need to be followed to maximize performance attributes. These conditions are outlined below:
| Tempering Process | Tempering Symbol | T6 |
|---|---|---|
| Solution Treatment | QT | 500 °C |
| Aging Temperature | 160 °C | 8 hours |
| Hardness (Rockwell) | 85 HRB (vanishing) | Extensively require |
Functions and Applications
Given 2A11 aluminum sheet's mixture of flexibility and durability, it holds substantial advantages across various applications:
Aerospace Components
In aerospace engineering, high material strength, and low weight are critical. Due to its lighter nature compared to steel yet high strength ratios unavailable in many alloys, the 2A11 aluminum sheet is an preferred choice for structural components and skin of aircraft, contributing to the improved fuel efficiency and performance metrics.
Military Engineering
The military industry needs rigorously tested materials. The resilience of 2A11 ensure its use in armored vehicle components and frames capable of withstanding extraordinary fatigue and stress. Its bondable properties allow easy fabrication and maximization of strength via frame structural integration.
Transportation
The automotive sector increasingly employs aluminum sheets to enhance fuel efficiency by limiting vehicle weight without compromising safety. Aluminum bodies using 2A11 meet these criteria perfectly whilst providing notable corrosion resistance.
Shipping and Marine Sections
In marine construction, ductility and corrosion resistance supplanted by heavy utilization of 2A11 aluminum sheet, permits effective crafting of powerful vessel bodies, reinforcing mitochod museum and limiting refinement over extended exposure.
