[Material] - 6063 aluminum for high strength, weldability, corrosion resistance and long-lasting durability. [Seamless Construction] - The surface is smooth and seamless. It is available in an extruded structural or a drawn seamless aluminum round tube for precision applications. The aluminum tubing can be polished. [T5 Temper] - T5 temper with heat treated and artificially aged for increasing strength and meeting standard mechanical property requirements. [Usage] - It can be processed according to the length you need, and can be welded with the right equipment. [Application] - Commonly used in industry, ships, home furnishing and other industries. Great for custom fabrication projects such as DIY handmade, frames, boat models, customize models, crafts, gardening products, shop fitting, etc.