The 2618A T851 aluminum alloy is a material notable for its high temperature resistance, excellent mechanical properties, and light weight. This alloy belongs to the aluminum-copper alloy class and is especially preferred in applications requiring high strength and thermal resistance. The T851 condition is achieved through a special heat treatment process, imparting high durability, stress resistance, and performance at elevated temperatures. These characteristics make 2618A T851 widely used in structural components in aerospace, aviation, and defense industries under demanding conditions.

Regarding anodizing, the 2618A T851 aluminum alloy has limited compatibility. Its high copper content can prevent the formation of an effective oxide layer during the anodizing process. Therefore, alternative coating methods are preferred over anodizing for protecting the alloy. In terms of weldability, 2618A T851 also requires careful welding due to its high copper content and other alloying elements. Special welding techniques and suitable filler materials should be used to minimize the risk of cracking during welding.

In terms of bending and forming, the 2618A T851 aluminum alloy can be successfully shaped using correct processing techniques despite its high strength. This allows the alloy to be used in applications that require high durability and formability, such as engine components, chassis, and other structural elements. Additionally, it can be used in high-vibration environments. Its high elastic modulus and durability enable safe use in components exposed to vibration.

Regarding corrosion resistance, the 2618A T851 aluminum alloy has limited resistance due to its high copper content. This may restrict its use in harsh conditions, especially in marine and humid environments. However, these limitations can be overcome with appropriate surface coatings and protective treatments, enhancing the alloy's corrosion resistance. The advantages of 2618A T851 aluminum include high temperature resistance, excellent mechanical properties, and light weight, while its disadvantages include low corrosion resistance and welding challenges.
 

MATERIAL COMPOSITION STANDARDS

2618A T851 can conform to the following standards:
• 2618A T851 Sheet/Plate; ASTM B209, UNS A92618, AIR 9048.640, ISO AlCu2Mg1.5Ni, WNR 3.1924, EN 2123
 

Key Characteristics of 2618A T851: 

• Strength: High
• Machinability: Good
• Weldability: Poor
• Formability: Good
• Corrosion Resistance: Average
• Heat Treatment: Yes
   

Some Well-Known Applications of 2618A T851: 
Mainly in the aerospace sector,
In aviation components and as structural parts of engines,
And in many other high-tech industry applications.
 

​STOCK
We produce/supply 2618A T851 in sheet form.​

• Sheet/Plate