Material Composition
7000 series aluminum alloys primarily consist of aluminum (Al) as the base metal, with significant additions of zinc (Zn), magnesium (Mg), and sometimes copper (Cu) and other minor elements such as chromium (Cr), zirconium (Zr), and titanium (Ti). The specific composition varies depending on the alloy grade, with 7075 being a common example that typically contains around 5.1-6.1% Zn, 2.1-2.9% Mg, and up to 2.0% Cu.
Properties
Strength and Hardness:
7000 series aluminum alloys exhibit exceptional strength and hardness, making them ideal for applications requiring high structural integrity.
The addition of Zn, Mg, and Cu forms intermetallic compounds like MgZn2, significantly enhancing the alloy's mechanical properties.
Extrusion Property:
These alloys are specifically designed for extrusion processes, allowing them to be easily shaped into complex profiles and sections.
The extrusion process enhances the material's grain structure, further improving its strength and ductility.
Corrosion Resistance:
The aluminum base and the addition of elements like Cr and Zr provide good corrosion resistance, especially when combined with surface treatments like anodizing.
Lightweight:
Like all aluminum alloys, 7000 series alloys are lightweight, making them suitable for applications where weight reduction is essential.
Applications
Aerospace:
7000 series aluminum sheet is widely used in aerospace applications, particularly for aircraft structures, fuselage panels, and wing components due to its high strength-to-weight ratio.
Automotive:
The alloy's excellent extrusion properties make it suitable for automotive body panels, frame components, and other structural parts.
Construction:
It is also used in construction for building facades, curtain walls, and other high-stress architectural elements.
Industrial Equipment:
The alloy's durability and strength make it ideal for manufacturing heavy-duty industrial equipment, machinery parts, and tooling fixtures.
Q: What is the minimum order quantity?
A: 5 tons.
Q: What is delivery time?
A: 30 days after deposit. Except for public holidays.
Q: How can you guarantee the quality?
A: We have rigorous quality test system, from raw materials to finished products, the materials must be checked and signed by QC people.
Q: How long can I get a quote?
A: The quotation can be provided not longer than 24 hours on condition that we know all detailed requirements.
Q: Can I get a sample?
A: Yes we offer free samples. Delivery cost is to be paid by clients.
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