7075 aluminum is selected for its outstanding strength-to-weight ratio, making it an excellent material for high-stress aerospace and structural applications where reducing weight is essential. It delivers superior tensile strength, good toughness, and reliable performance at low temperatures. While its corrosion resistance is lower than that of 6061 aluminum and its weldability is limited, its mechanical advantages often outweigh these drawbacks in demanding uses.
At GNEE, 7075 aluminum is widely supplied for components that must remain lightweight while replacing heavier steel parts without compromising strength.
Key Advantages
Exceptional Strength
As one of the strongest aluminum alloys available, 7075 aluminum offers tensile strength of around 83,000 psi, largely due to its zinc-based alloying system. This makes it suitable for highly stressed, load-bearing structures.
Excellent Strength-to-Weight Ratio
High strength combined with low density allows manufacturers to reduce component weight while maintaining durability, improving efficiency-especially in aircraft structures.
Good Toughness and Formability (in Specific Tempers)
When properly solution heat-treated and aged, 7075 aluminum provides good toughness and ductility. It can also be formed in the annealed condition before final heat treatment.
Reliable Low-Temperature Performance
The alloy maintains its mechanical strength in cold environments, making it ideal for high-altitude and low-temperature aerospace applications.
Typical Applications
Aircraft frames, wings, fuselages, and skin panels
Missile components, valves, and precision gears
High-performance bicycle frames and drone structures
Key Considerations
Corrosion Resistance
7075 aluminum has lower corrosion resistance than 6061 aluminum, particularly in marine or aggressive environments, and often requires surface protection.
Weldability
Weldability is poor compared to other aluminum alloys, which can limit fabrication methods.
In summary, GNEE's 7075 aluminum products are chosen when maximum strength and minimum weight are the primary requirements, even if this means higher cost or reduced weldability-making the alloy a cornerstone material in advanced aerospace and structural engineering applications.
Our company's inventory advantages: flexible customization and low requirements for MOQ.
Product Advantages of GNEE Aircraft-Grade 7075 Aluminum Plate & Sheet
GNEE Aircraft-Grade Aluminum 7075 Plate and Sheet offer excellent overall performance for demanding aerospace applications. Key advantages include :
Good Machinability
GNEE 7075 aluminum plates can be machined efficiently, allowing for precise fabrication of complex aerospace components.
High Thermal Stability
The alloy maintains stable mechanical properties under elevated temperatures, making it suitable for aerospace environments.
Excellent Workability
With proper processing and temper selection, GNEE 7075 aluminum demonstrates reliable formability and processing performance.
Easy Processing and Wear Resistance
The material is easy to process while offering good resistance to wear, ensuring durability in high-stress applications.
Good Corrosion and Oxidation Resistance
GNEE aircraft-grade 7075 aluminum provides dependable resistance to corrosion and oxidation, especially when combined with appropriate surface treatments.
Chemical Composition of GNEE Aerospace-Grade 7075 Aluminum Plate
| Element | Composition (%) |
|---|---|
| Si | ≤ 0.40 |
| Fe | ≤ 0.50 |
| Cu | 1.2 – 2.0 |
| Mn | ≤ 0.30 |
| Mg | 2.1 – 2.9 |
| Cr | 0.18 – 0.28 |
| Zn | 5.1 – 6.1 |
| Ti | ≤ 0.20 |
| Other | ≤ 0.20 |
| Al | Remainder |
Applications of 7075 Aircraft Aluminum Plate
GNEE 7075 aviation aluminum plate is widely used in aircraft structures and other high-stress components that require high strength and reliable corrosion resistance, including:
Upper and lower wing panels
Stringers and bulkheads
Aircraft skins
Critical load-bearing structural parts
Joints and connectors
GNEE 7075 Aerospace Aluminum Plate – Typical Tempers
7075-T651 High-Strength Aviation Aluminum Plate
Thanks to its excellent thermal properties, high strength, lightweight characteristics, and corrosion resistance, this temper is extensively used in aerospace applications such as aircraft structural components, engine gears, and instrument accessories.
7075-T7651 Aluminum Plate for Aerospace Use
This temper offers strong stress resistance, good corrosion resistance, and high toughness, making it suitable for aircraft landing gear, frames, skins, and other critical components.
7075-T7351 Aerospace Aluminum Sheet
Designed for enhanced resistance to stress corrosion cracking, T7351 provides high mechanical strength and good high-temperature performance.
Typical applications: aircraft frames, integral wall panels, landing gear components, and skins.
GNEE 7075 Forged Aerospace-Grade Aluminum Plate
Specifications of 7075 Forged Aviation Aluminum Plate
Alloy: 7075
Tempers: O, F, H112, T3, T4, T5, T6, T62, T652, T73, T74, T7452, T852, T7352, etc.
Standards: GBn223, YS/T479, ASTM B247, AMS, and others
Maximum Weight: ≤ 9 tons
Maximum Length: ≤ 7000 mm
Maximum Width: ≤ 2000 mm
Maximum Thickness: ≤ 500 mm
7075-T6 High-Strength Forged Aerospace Aluminum Plate
A super-hard forged alloy offering high strength, good toughness, and resistance to stress corrosion, though with relatively low crack resistance.
Typical applications: aircraft components and aerospace structures.
7075-T73 Forged Aircraft Aluminum Plate
Through optimized aging treatment, stress corrosion cracking resistance is significantly improved, though strength is slightly reduced compared to T6.
Typical applications: aircraft structural parts.
