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High-Strength 7075 Aluminum Sheet from China Suppliers and Factory for Premium Applications
📋 Key Specifications
| Product Name | 7075 Aluminium (Alloy) Sheet / Plate | ||||
| Typical Alloys | Material Status | Thickness (mm) | Diameter (mm) | Type | Application Fields |
| 7075 | T3, T4, T6, T651, T73, T451, T351, T851, T7351 | 1.0 – 600 | 50 – 1200 | DC |
|
Chemical Composition (%)
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Others | Al |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.4 | ≤0.5 | 1.2–2.0 | ≤0.3 | 2.1–2.9 | 0.18–0.28 | 5.1–6.1 | ≤0.2 | ≤0.15 | Rest |
🏷️ Other Names for 7075 Aluminum Sheet
- 7075 Aluminum Plate
- AA7075 Sheet/Plate
- 7075-T6/T651 Aluminum Sheet
- UNS A97075 Sheet
- EN AW-7075 Sheet
🌍 Top Global Producers & Major Buyers
🏭 Leading Producers: Alcoa, Kaiser Aluminum, Novelis, Constellium, Norsk Hydro; Chinese leaders include Chalco and Chenxing Aluminum.
🛒 Major Buyers: Boeing, Airbus, Lockheed Martin, SpaceX (aerospace); General Dynamics, Northrop Grumman (defense); and high-end manufacturers in automotive, mold, and precision machinery sectors. All demand high-strength 7075 for critical structural components.
🖼️ Detail Images
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❓ Frequently Asked Questions (FAQ)
What is 7075 aluminum sheet and what makes it special?
7075 aluminum sheet is a high-strength aluminum alloy primarily composed of zinc (5.1–6.1%), magnesium (2.1–2.9%), and copper (1.2–2.0%). It is renowned for its exceptional strength-to-weight ratio, making it one of the strongest commercially available aluminum alloys. It is widely used in aerospace, defense, and high-performance engineering applications where structural integrity under stress is critical.
What are the most common temper designations for 7075 aluminum?
The most widely used tempers for 7075 aluminum include T6, T651, T73, T7351, T451, T351, T3, T4, and T851. Among these, T6 and T651 are the most popular, offering the highest strength. T73 and T7351 provide improved stress corrosion cracking resistance, making them preferred in marine and aerospace environments.
What thickness and diameter ranges are available for 7075 aluminum plate?
7075 aluminum sheet and plate are available in a wide range of dimensions: thickness from 1.0 mm to 600 mm and diameter from 50 mm to 1200 mm. This broad range makes it suitable for everything from thin aerospace skin panels to thick mold bases and structural blocks.
Which industries use 7075 aluminum sheet the most?
7075 aluminum sheet is heavily used across several industries: Aerospace (aircraft fuselage frames, wing spars, landing gear), Defense (military armor plates, drone frames), Sports Equipment (bicycle frames, golf club shafts), Automotive (high-performance chassis components), and Electronics (precision instrument casings and battery brackets).
Who are the leading global manufacturers of 7075 aluminum?
Top global producers of 7075 aluminum include Alcoa, Kaiser Aluminum, Novelis, Constellium, and Norsk Hydro. In China, major manufacturers include Chalco (Aluminum Corporation of China) and Chenxing Aluminum. These companies supply to major aerospace and defense contractors such as Boeing, Airbus, Lockheed Martin, SpaceX, General Dynamics, and Northrop Grumman.
Is 7075 aluminum sheet easy to machine and weld?
7075 aluminum offers excellent machinability, especially in the T6 and T651 temper, making it ideal for precision tooling and mold manufacturing. However, it has limited weldability compared to other aluminum alloys (such as 6061) due to its high zinc and copper content, which can cause cracking during fusion welding. Mechanical fastening or adhesive bonding is typically preferred for structural assemblies.