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The 2A12 aluminum alloy is a high-strength aluminum alloy that belongs to the 2000 series. Also known as AlCu4Mg1, it is primarily composed of aluminum (Al), copper (Cu), and magnesium (Mg).
2A12 aluminum bar, also known as high-strength duralumin, is a typical duralumin alloy in the AL-Cu-Mg system and can be strengthened by heat treatment. At the same time, its composition is relatively reasonable, and its overall performance is good. It is a hard aluminum material produced in many countries, and its usage is the largest among hard aluminum materials. It has certain heat resistance and can be used as working parts below 150°C. Widely used in aircraft structures, rivets, truck wheels, propeller components, and other structural parts. However, caution is required when using gas and TIG welding because it tends to form intergranular cracks. This alloy has good machinability after cold work hardening, but its corrosion resistance is not high, so anodizing and painting methods are usually required to improve its corrosion resistance.
Product Description
| Product | 2A12 Aluminum Bar |
| Standard | ASTM, JIS, EN, DIN, GB, etc. |
| Grade | 1050, 1060, 2024(2A12), LY12, 2A11, 3A21, 3003, 3103, 4A03, 4A11, 4032, 5052, 5083, 6063, 6061, 7075, 7050, etc. |
| Diameter | 6mm–2500mm (3/8″–100″) |
| Temper | O, T1, T2, T3, T4, H12, H14, H26, H112, etc. |
| Length | 2000mm, 2440mm, 6000mm or customized as required |
| MOQ | 1 Ton |
Advantage:
- High strength: 2A12 aluminum bar has high tensile strength and yield strength, can withstand large loads, and is suitable for manufacturing structural parts that need to withstand heavy objects and pressure.
- Good plasticity: 2A12 aluminum bar has good plasticity before heat treatment and can be used for plastic processing, such as stretching, bending, etc.
- Good corrosion resistance: Compared with other metal materials, aluminum has good corrosion resistance and can resist the erosion of air, water and acid.
- Low density: Aluminum has a low density, which can reduce the weight of structural parts and facilitate transportation and use.
- Good conductivity: Aluminum is a good conductive material and can be used to manufacture structural parts that need to conduct electricity.
Shortcoming:
- Easy to oxidize: The surface of aluminum is easy to oxidize, forming a thin and hard oxide film, which affects its conductivity and aesthetics.
- Low fatigue strength: Compared with other metal materials, aluminum has low fatigue strength and is prone to fracture when subjected to cyclic loads.
- Difficulty in welding: Welding aluminum requires special processes and techniques, which is more difficult than other metal materials.
- Insufficient hardness: Compared with some other metal materials, aluminum has lower hardness and is prone to scratches and wear.
Chemical Composition of 2A12 Aluminum Bar
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
| Content Range | ≤0.50 | ≤0.50 | 3.8–4.9 | 1.2–1.8 | ≤0.30 | 0.30–0.90 | ≤0.10 | ≤0.15 | Remainder |
Applications of 2A12 Aluminum Bar
- Widely used in: aircraft structures, rivets, missile components, truck hubs, propeller components and other structural parts.
- The industries with the most applications are the construction and automotive transportation industries
- Transportation: Aluminum rods are used as materials for body structural parts of automobiles, subway vehicles, railway passenger cars, high-speed passenger cars, doors and windows, shelves, automobile engine parts, air conditioners, radiators, and body panels
- Building decoration: Because of its good corrosion resistance, sufficient strength, excellent process performance and welding performance, it is widely used in building frames, doors and windows, ceilings, decorative surfaces, etc.
At present, our factory has a large number of high-purity aluminum rods, aluminum flat steel, aluminum T rods, aluminum angle steel, aluminum square rods, aluminum Z rods, aluminum hollow rods, aluminum L rods, aluminum hexagonal rods, 6101 aluminum, 7075 aluminum rod, 3mm aluminum Flat bar, 5mm aluminum flat bar, 6mm aluminum bar, 8mm aluminum bar, 10mm aluminum flat bar and other high-end aluminum products are in stock.
Application
Agricultural Modernization
Construction Engineering
Environmental Protection Engineering
Food Processing Industry
Intelligent Home Appliances
Medical and Health Field
New Energy Infrastructure









