A220Ni Aluminium Alloy
Precision Alloys is a premier manufacturer and global exporter of A220Ni Aluminum Alloy, a high-performance, nickel-modified aluminum-copper alloy engineered for elevated strength, dimensional stability, and high-temperature durability. A220Ni is widely used in aerospace, marine, defense, and structural engineering sectors, especially where superior fatigue resistance and long-term reliability are essential.
We supply A220Ni in the form of rods, bars, billets, forged components, plates, and CNC-machined parts, conforming to global metallurgical and performance standards.
What is A220Ni Aluminium Alloy?
A220Ni is a specialised aluminium alloy with nickel and copper as key alloying elements, offering superior strength retention at elevated temperatures, excellent machinability, and outstanding fatigue resistance. The addition of nickel enhances the alloy’s thermal stability, making it suitable for aerospace engines, high-performance automotive components, and precision-machined assemblies.
A220Ni Aluminium Alloy Specifications
| Property | Specification |
|---|---|
| Alloy Designation | A220Ni |
| Temper Available | F, T6, T651 |
| Product Forms | Bars, Rods, Plates, Forgings, Machined Parts |
| Size Range | Rods: 12 mm – 300 mm |
| Standards | In-house & customer-specific specs (similar to EN/ASTM/Aircraft Standards) |
A220Ni Aluminium Alloy Chemical Composition
| Element | % Composition |
|---|---|
| Aluminum (Al) | Balance |
| Copper (Cu) | 3.5 – 4.5 |
| Nickel (Ni) | 1.5 – 2.5 |
| Iron (Fe) | 0.50 max |
| Manganese (Mn) | 0.50 max |
| Silicon (Si) | 0.20 – 0.40 |
| Zinc (Zn) | 0.30 max |
| Others | 0.15 max (each) |
Mechanical Properties of A220Ni Aluminium Alloy
| Property | Typical Value |
|---|---|
| Tensile Strength | 470 – 520 MPa |
| Yield Strength | 360 – 420 MPa |
| Elongation | 8 – 12% |
| Hardness | 130 – 145 HB |
| Thermal Stability | High |
| Fatigue Resistance | Excellent |
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