An aluminium square bar is a solid, rectangular metal bar. It is strong, lightweight, and resistant to corrosion. It is often used in manufacturing, construction, and engineering. These areas need strong structures and easy machining. Aluminium square bars come in different grades, like 6061 and 7075. Each grade has unique features, such as better strength, weldability, and wear resistance. These aluminium square bar are often used to create custom parts, frames, supports, and fittings. Their great resistance to corrosion makes them perfect for indoor and outdoor use. This ensures they last a long time and stay reliable.