2618 Aluminum Bar
2618 aluminum bar is an aluminum alloy material known for its high strength and high-temperature performance. It is suitable for applications requiring high ductility, corrosion resistance, and durability in high-temperature environments. Belonging to the 2xxx series aluminum alloys, it primarily consists of aluminum, copper, magnesium, and small amounts of iron and nickel. Due to its excellent properties, it is widely used in the aerospace and high-performance automotive industries.
What is 2618 aluminum alloy?
2618 aluminum is a highly ductile alloy with excellent strength and good corrosion resistance. Its high machinability makes 2618 aluminum a superb metal for jet engine components, structural and pipeline applications, as well as motorsport uses.
Advantages of 2618 Aluminum Bar
- 1. Sustained strength at high temperatures, suitable for components operating for extended periods in high-temperature environments.
- 2. High ductility, making it ideal for parts requiring deformation capability and impact resistance.
- 3. Good fatigue resistance, making it suitable for aerospace and automotive components that need to withstand repeated stress.
Characteristics of 2618 Aluminum Bar
- 1. High strength: 2618 aluminum bars possess high strength, and after heat treatment, their mechanical properties can be further enhanced, allowing them to maintain strength under heavy loads and harsh conditions.
- 2. High-temperature resistance: 2618 aluminum retains its strength and stability in high-temperature environments ranging from 200°C to 250°C, making it suitable for high-temperature applications.
- 3. Good corrosion resistance: Although it belongs to the 2xxx series of aluminum alloys, 2618 aluminum exhibits better corrosion resistance compared to similar materials, especially in aerospace and high-performance automotive applications.
- 4. Excellent machinability: 2618 aluminum bar is easy to machine and form, suitable for various manufacturing processes such as turning, milling, and drilling, making it ideal for producing complex parts.
- 5. Welding: 2618 aluminum has relatively poor weldability, requiring specific processes, but it can be used for certain special connection methods.
- 6. Ductility: The alloy has good ductility, making it easy to shape during processing, and is suitable for various mechanical machining and welding processes.
To improve the corrosion resistance and surface hardness of 2618 aluminum bars, anodizing or coating treatments are often applied to enhance their ability to withstand harsh environments.
HC Aluminum hot selling aluminum 2618 bar products
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2618 Aluminum Round Bar
A cylindrical bar that offers high strength and excellent performance at elevated temperatures, ideal for aerospace components like engine parts.
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2618 Aluminum Flat Bar
A flat, rectangular cross-sectioned bar, often used in structural applications where high strength and resistance to high temperatures are required.
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2618 Aluminum Rectangular Bar
Similar to the flat bar but typically with greater thickness, it’s suitable for high-stress environments in aerospace and automotive applications.
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2618 Aluminum CF Bar
CF stands for cold-finished, meaning the2618 bar has undergone cold finishing processes like drawing or rolling to improve its mechanical properties, surface finish, and dimensional accuracy.
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2618 Aluminum Extruded Bar
Created through the extrusion process, this bar has uniform properties and is used for precision aerospace components due to its strength and heat resistance.
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2618 Aluminum Square Bar
A square cross-sectioned bar with the same strength and thermal properties, used in high-performance structural parts requiring precision and durability.
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2618 Aluminum Hex Bar
A bar with a hexagonal cross-section, commonly used in applications where strength and resistance to high temperatures are crucial, such as fasteners in aircraft engines.
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2618 T6 Aluminum Bar
The T6 temper indicates solution heat-treated and artificially aged, providing high strength and good machinability, widely used in aerospace engine components.
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2618 T651 Aluminum Bar
This temper is similar to T6 but includes stress relieving after heat treatment, offering better dimensional stability, often preferred for precision-engineered aerospace parts.
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2618 T351 Aluminum Bar
This temper is solution heat-treated, stress-relieved by stretching, and naturally aged, resulting in good toughness and resistance to stress corrosion cracking.
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2618 T851 Aluminum Bar
Similar to T651, but includes an additional aging process to further optimize strength and corrosion resistance for aerospace applications.
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2618 T62 Aluminum Bar
This temper is also solution heat-treated and artificially aged but is typically stronger than T6, offering enhanced thermal stability for high-performance uses.
The mechanical properties of 2618 aluminum bar rod
2618-T6 T6511 aluminum rod | 2618-T8 T8511 aluminum bar | 2618-T1 T62 aluminum rod | |
Tensile strength Rm/MPa | 375 MPa | 385 MPa | 365 MPa |
Yield Strength Rp0.2/MPa | 315 MPa | 325 MPa | 305 MPa |
Elongation % | 6% | 5% | 5% |
The chemical composition of 2618 aluminum bar rod
Element | Composition (%) |
Si | 0.10-0.25 |
Fe | 0.9-1.3 |
Cu | 1.9-2.7 |
Mn | - |
Mg | 1.3-1.8 |
Ni | 0.9-1.2 |
Zn | 0.10 |
Ti | 0.04-0.10 |
Other | 0.20 |
Al | Remainder |
Applications of 2618 Aluminum Bar
Aerospace Industry
- High-temperature structural components: In aerospace applications, 2618 aluminum alloy is used to manufacture structural components that withstand high temperatures, such as airframe frameworks and support structures. These parts need to maintain strength and stability under extreme conditions, and the thermal stability and oxidation resistance of 2618 aluminum make it an ideal choice.
- Pistons: 2618 aluminum bar is widely used to produce pistons for rotary aircraft. Due to its high strength and excellent heat resistance, 2618 aluminum can maintain stability under high load and high-temperature conditions, ensuring efficient performance and reliability in rotary aircraft.
Motorsports
- In racing cars, 2618 aluminum bar is used to manufacture pistons, connecting rods, and other key components of high-performance engines. These parts operate under high-temperature and high-pressure environments, and the excellent fatigue resistance of 2618 aluminum allows it to withstand repeated stress without experiencing fatigue failure.
- Racing engine components: Since racing engines often operate under extreme conditions, the thermal stability and resistance to deformation of 2618 aluminum alloy make it an ideal material, enhancing performance and extending the service life of the components.
Industrial Applications
2618 aluminum bar is used in high-temperature pipelines and structural components, especially in environments where material performance is required to meet specific demands under harsh conditions.