2219 Aluminum Sheet
Alloy Identification
Name: 2219 Aluminum Sheet
Classification: Wrought Aluminum and Aluminum Alloys
Standard Designations:
American Aluminum Association (AA): 2219
UNS: A92219
ISO: R209 AlCu6Mn
Chinese GB: 2219 (LY19)
Key Properties
Mechanical Properties:
2219 aluminum sheet is known for its high strength and good machinability, making it suitable for fasteners that require precise and durable connections.
However, it exhibits poor corrosion resistance, which may need to be addressed through surface treatments or coatings in specific applications.
Weldability:
While its brazing performance is poor, 2219 aluminum sheet is easily welded using arc welding and spot welding methods. This facilitates the joining of fasteners to other components during the assembly process.
Operating Temperature:
This alloy is particularly suited for applications involving high temperatures up to 315°C (600°F). Its thermal stability ensures that fasteners maintain their integrity and performance in demanding environments.
Chemical Composition
The chemical composition of 2219 aluminum sheet is carefully controlled to achieve the desired properties. The typical composition includes:
Aluminum (Al): Remainder
Silicon (Si): ≤ 0.20%
Iron (Fe): ≤ 0.30%
Copper (Cu): 5.8-6.8%
Manganese (Mn): 0.20-0.40%
Magnesium (Mg): ≤ 0.02%
Vanadium (V): 0.05-0.15%
Zirconium (Zr): 0.10-0.25%
Other elements, such as zinc (Zn) and titanium (Ti), may also be present in small amounts to refine the alloy's properties.
Applications in Fasteners
2219 aluminum sheet is used in the manufacture of fasteners, including bolts, nuts, screws, and other mechanical fasteners, for applications that require high strength and good weldability. Its thermal stability makes it particularly suitable for fasteners in high-temperature environments, such as those found in aerospace, automotive, and industrial equipment.
Manufacturing and Fabrication
2219 aluminum sheet is produced to strict quality standards, ensuring consistent properties and performance. Manufacturers employ advanced rolling and cutting technologies to produce sheets with precise dimensions and surface finishes. During fabrication, the sheets are formed, machined, and welded to create fasteners that meet the demanding requirements of various industries.
Conclusion
2219 aluminum sheet is a specialized material with high strength, good machinability, and excellent weldability, making it an ideal choice for fasteners in demanding applications. Its thermal stability and ability to withstand high temperatures up to 315°C further enhance its versatility and suitability for a wide range of industries.
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.
Q: Why can I trust you and place order with you?
A: From 1997 to 2018 our company is with 20 years' experience in this industry, we have served clients from more than 100 countries, our company is well-known for its quality and our team win clients' trust by honesty and down to earth business style.
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