7075 Alclad T62 aluminum alloy is a high-strength 7xxx series alloy that is coated with a layer of pure aluminum (Alclad) to enhance corrosion resistance and processed with a specific heat treatment (T62 temper). This combination preserves the high mechanical strength of the 7075 alloy while significantly improving corrosion resistance due to the pure aluminum surface layer. The T62 temper involves solution heat treatment followed by controlled aging and is optimized for specific mechanical property requirements.

In terms of corrosion resistance, the Alclad coating provides a major advantage. While the base 7075 alloy has moderate natural corrosion resistance, the Alclad layer acts as a galvanic protective barrier. This makes it especially suitable for aerospace and outdoor applications. Compared to 2024 Alclad, it follows a similar protection principle but offers higher base strength, whereas alloys like 5083 provide better natural corrosion resistance even without coating.

Regarding strength and mechanical properties, 7075 T62 offers very high strength, although slightly lower than T6. This provides a balance between strength and ductility. Compared to 6061-T6, it offers significantly higher strength, and compared to 2024-T3, it generally provides higher tensile strength. Therefore, it is widely used in high load-bearing structural applications.

In terms of machinability, bending, and weldability, 7075 Alclad T62 offers moderate machinability. The T62 temper provides slightly better formability than T6, but it is still not as easily formable as 5xxx or 6xxx series alloys. Bending operations must be performed carefully due to increased cracking risk. Weldability is generally poor; in this respect, 6061 performs much better. Coatability is inherently provided by the Alclad layer.

Regarding vibration behavior and applications, 7075 Alclad T62 is widely used in aerospace, defense, and advanced engineering applications due to its high specific strength. Typical uses include aircraft fuselage panels, wing components, and high load-bearing structures. While 2024 Alclad is known for better fatigue performance, 7075 Alclad T62 offers higher static strength. 6061 is often used as a more economical general-purpose alternative.

MATERIAL COMPOSITION STANDARDS

7075 T62 is available in the following standards:
• 7075 T62 Alclad Sheet; AMS QQ-A-250/13, ASTM B209, EN 2092
• 7075 T62 Plate / Sheet; AMS QQ-A-250/13, ASTM B209, EN 2092
                                       

CHARACTERISTIC PROPERTIES OF 7075 T62: 

• Strength: High
• Machinability: Considerable
• Weldability: Low
• Formability: Moderate
• Corrosion Resistance: Poor
• Heat Treatment: Yes
   

SOME WELL-KNOWN APPLICATIONS OF 7075 T62: 
In the transportation sector, especially in aerospace applications.
For special projects in the defense industry.
In the production of firearms.
 

STOCK
7075 T62 is supplied in plate/sheet and sheet forms.

• Plate / Sheet
• Sheet