7075 Aluminum Alloy

  • Forms: Sheet, Plate, Coil, Bar, Custom Profiles

  • Tempers: T6, T73, T7451 (varies based on desired strength and application)

  • Surface Finish: Mill finish, anodized, polished, brushed, powder-coated

  • Standards: ASTM B209, AMS 4050, EN 573, JIS H4000

  • Thickness Range: 0.5 mm – 250 mm

  • Width Range: Up to 2500 mm

  • Length: Custom cut-to-size available

7075 Aluminum Alloy is a high‑strength, heat‑treatable aluminum alloy known for its excellent mechanical properties and superior resistance to stress and fatigue. Primarily alloyed with zinc along with magnesium and copper, 7075 aluminum is one of the strongest available aluminum alloys. It has become the material of choice in critical applications such as aerospace structures, defense systems, high‑performance sporting equipment, and other areas where a superior strength‑to‑weight ratio is essential.

At Huaxiao Metal Manufacturer, we manufacture and supply premium‑grade 7075 Aluminum Alloy products that meet strict industry standards. Our products are available in various forms including sheets, plates, bars, rods, and extrusions – each produced with precision and full traceability.

Overview of 7075 Aluminum Alloy

Chemical Composition (Typical)

The typical composition of 7075 Aluminum Alloy is as follows:

ElementComposition Range (wt%)
AluminumBalance
Zinc5.1 – 6.1
Magnesium2.1 – 2.9
Copper1.2 – 2.0
Chromium0.18 – 0.28
OtherTrace amounts
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Mechanical Properties (for 7075‑T6 Temper)

PropertyTypical Value
Tensile Strength570 – 700 MPa
Yield Strength (0.2% offset)505 – 600 MPa
Elongation (in 50 mm)4 – 11%
Hardness150–180 HB
Density~2.81 g/cm³
Modulus of Elasticity71.7 GPa

Key Features and Benefits

  • Exceptional Strength-to‑Weight Ratio
    7075 Aluminum Alloy stands out for its high tensile and yield strengths while maintaining a low density. This makes it ideal for applications requiring lightweight yet robust material.

  • Excellent Fatigue Resistance and Durability
    Known for its resistance to fatigue and stress, 7075 is well‑suited for high‑stress environments, ensuring long-term reliability in aerospace and structural applications.

  • Superior Machinability and Weldability
    Although it is one of the strongest alloys, 7075 aluminum can be machined with high precision and, with careful process control, is capable of welding. This versatility is key for custom parts and complex components.

  • Outstanding Corrosion Resistance
    With proper surface treatment and anodizing, 7075 aluminum exhibits excellent resistance against corrosion, even in challenging environments.

  • Heat‑Treatable Properties
    The alloy is available in various tempers (such as T6, T73, or T651) tailored to specific strength and ductility requirements. This allows customers to select the optimal balance between strength and workability for their application.

Applications of 7075 Aluminum Alloy

7075 Aluminum Alloy is used in a wide range of industries due to its unique combination of properties. Key applications include:

  • Aerospace and Defense:
    Aircraft structural components, fuselage frames, wing spars, military vehicles, and missile parts benefit from the alloy’s lightweight and high strength.

  • Automotive and Transportation:
    High‑performance automotive parts, truck frames, and racing components where weight reduction and durability are paramount.

  • Sports Equipment:
    High‑end bicycles, climbing gear, tennis rackets, and other sports equipment that require a robust yet light material.

  • Industrial and Structural Uses:
    Pressure vessels, hydraulic systems, and tool components that operate under high loads and stress.

  • High‑Performance Machinery:
    Robotics, precision instruments, and machinery frames that rely on durable materials.

Why Choose Huaxiao Metal Supplier?

If you are seeking a reliable supplier of 7075 Aluminum Alloy products for aerospace, defense, automotive, or industrial applications, [Your Company Name] is your trusted partner. We offer:

  • High‑quality 7075 sheets, plates, extrusions, and custom‑fabricated components

  • Custom dimensions, finishes, and temper options

  • Fast, global delivery and comprehensive technical support

  • Competitive pricing backed by decades of industry expertise

👉 Contact us now to request a free quote and consultation for your next project!

  • Advanced Manufacturing Capabilities:
    We utilize state‑of‑the‑art processing facilities with CNC machining, heat treatment, surface finishing, and precision cutting to ensure the highest quality standards.

  • Strict Quality Control:
    All products are manufactured to meet international standards (such as ASTM and ISO) and come with full Material Test Certificates (MTC) for complete traceability.

  • Experienced Technical Support:
    Our team of experienced engineers is available to assist with material selection, fabrication recommendations, and technical troubleshooting, ensuring your project’s success.

  • Global Logistics and Fast Delivery:
    With an extensive inventory and robust supply chain, we provide fast turnaround times and reliable shipping to meet urgent project deadlines.

  • Competitive Pricing and Custom Solutions:
    We offer tailored solutions to suit your specific needs, including custom dimensions, finishes, and temper options, all at competitive prices.

What are the main advantages of 7075 Aluminum Alloy?

7075 Aluminum Alloy offers an unparalleled strength-to‑weight ratio, excellent fatigue resistance, and high durability, which makes it ideal for aerospace, defense, and high‑performance industrial applications. Its excellent machinability and ability to be heat‑treated for enhanced properties further distinguish it from other aluminum alloys.

The temper of 7075 Aluminum, such as T6, T73, or T651, plays a critical role in defining its mechanical properties. For example, the T6 temper provides high tensile and yield strengths ideal for structural components, while T73 offers improved stress corrosion resistance. The correct temper must be chosen based on the balance of strength and ductility required for the application.

While 7075 Aluminum Alloy is primarily designed for applications where welding is not the principal joining method due to its high strength, it can be welded using specialized techniques and filler materials. However, welding typically reduces its strength and corrosion resistance, so care must be taken to design joints that minimize these effects.

7075 Aluminum Alloy is most commonly used in the aerospace and defense industries due to its high strength and lightweight characteristics. It is also widely used in automotive, sports equipment manufacturing, and high‑performance industrial applications where durability and precise machining are critical.

Our products undergo rigorous quality control procedures in state‑of‑the‑art facilities. We adhere to international standards for testing and certification. Every batch is accompanied by full documentation, including Material Test Certificates (MTC), ensuring consistency and reliability for our customers.

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