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7075 Aluminum Plate is a high-strength aluminum alloy primarily composed of zinc, with magnesium and copper as key alloying elements. Renowned for its excellent strength-to-weight ratio, it rivals many types of steel while maintaining lightness and corrosion resistance.
| Alloy | 7075 (Al-Zn-Mg-Cu) |
| Temper | O, T6, T651, T73, T7351 |
| Thickness | 0.5 mm – 200 mm (custom sizes up to 450 mm available) |
| Width | 1000 mm – 1524 mm (commonly 1220 mm or 1524 mm) |
| Length | 2000 mm – 6000 mm (custom cutting available) |
| Surface Finish | Bare, Alclad (clad), Anodized, Chromate Conversion (Alodine) |
| Standards | ASTM B209, AMS-QQ-A-250/12, AMS 4044/4045/4049, EN 485, EN 573 |
| Corrosion Resistance | Good when anodized or chromate treated; moderate in bare form |
| Features | High strength-to-weight ratio, excellent machinability, good fatigue resistance |
| Applications | Aerospace components, military equipment, automotive frames, precision tools, sports and marine parts, mold making, and high-stress structural parts |
| No. | Alloy / Temper | Thickness | Surface Condition / Notes | Specification Standard |
|---|---|---|---|---|
| 7075‑T6 Aluminum Sheet | 7075, T6 | 0.100 in (~2.54 mm) | Bare / mill finish | ASTM B209 / AMS 4045 |
| 7075‑T651 Aluminum Plate | 7075, T651 | 0.250 in (~6.35 mm) | Bare / stretch-relieved | AMS 4045 / ASTM B209 |
| 7075‑T651 Aluminum Plate | 7075, T651 | 0.625 in (~15.88 mm) | Bare / as-rolled | AMS 4045 / ASTM B209 |
| 7075‑T6 Precision Ground Plate | 7075, T6 | 0.125 in (~3.175 mm) | Precision ground both surfaces | Precision finish (±0.002 in) |
| 7075 Aluminum Plate | 7075 | 6 mm | Bare / mill finish | – |
| 7075 Aluminum Plate | 7075 | 3 mm | Bare / mill finish | – |
| 7075‑T6 Sheet | 7075, T6 | 0.025 in (~0.64 mm) | Bare / mill finish | AMS / ASTM |
| 7075‑T6 Precision Plate | 7075, T6 | 0.190 in (~4.83 mm) | Saw-cut / precision finish | ASTM B209 / AMS |
7075 Aluminum Plate is widely used in applications that demand high strength, excellent mechanical performance, and low weight. Due to its superior strength-to-weight ratio—comparable to some steels—it is a preferred material for aerospace, defense, and high-performance engineering fields.
Typical uses include:
Aerospace components such as aircraft wings, fuselage frames, and landing gear parts.
Defense and military equipment, including armored vehicles, weapon components, and precision mounts.
Automotive and motorsport parts that require both strength and lightness, such as chassis, suspension arms, and performance wheels.
Mold and tooling applications because of its excellent machinability and dimensional stability in tempers like T651.
Marine and sports equipment, including boat fittings, bicycle frames, and climbing gear, where high strength and corrosion resistance are essential.
Overall, 7075 aluminum plate is ideal for high-stress structural components that require maximum strength, toughness, and precision in demanding environments.
7075 aluminum sheet is a premium-grade, high-strength aluminum alloy known for its exceptional mechanical and physical properties. It belongs to the 7xxx series, with zinc (Zn) as the main alloying element, along with magnesium and copper to enhance hardness and strength. Below are its main characteristics:
High Strength and Hardness – 7075 aluminum sheet offers one of the highest strength levels among all aluminum alloys, comparable to some steels, especially in the T6 and T651 tempers.
Excellent Strength-to-Weight Ratio – Despite its high strength, it remains lightweight, making it ideal for aerospace and performance-oriented structures.
Good Machinability – It can be easily machined, drilled, and milled with excellent dimensional stability, suitable for precision components and tooling.
Moderate Corrosion Resistance – The corrosion resistance is fair in the bare form but can be greatly improved through anodizing or chromate conversion coatings.
Low Weldability – 7075 is not suitable for welding due to the risk of cracking; instead, it is typically joined by mechanical fastening.
Excellent Fatigue Resistance – It performs well under cyclic loading, maintaining strength and performance in high-stress environments.
Typical Standards – Manufactured according to ASTM B209, AMS-QQ-A-250/12, and EN 485, ensuring consistent quality and performance.
In summary, 7075 aluminum sheet combines ultra-high strength, good machinability, and low weight, making it ideal for aerospace, defense, automotive, and precision engineering applications.
ZGGDMETAL can provide 7075 aluminum plates and sheets in a wide range of tempers to meet different application and performance requirements. The available tempers include:
O (Annealed) – Soft condition for excellent formability and deep drawing.
T6 – Solution heat-treated and artificially aged for maximum strength.
T651 – Similar to T6 but stress-relieved by stretching to ensure better dimensional stability during machining.
T73 / T7351 – Over-aged tempers designed to improve resistance to stress corrosion cracking (SCC) and enhance durability in harsh environments.
With these options, ZGGDMETAL can supply 7075 aluminum plates optimized for aerospace, automotive, mold manufacturing, and precision engineering applications, ensuring the right balance between strength, machinability, and corrosion resistance.
