Our collection of Square Tubing is top-quality A36 mild steel. It is highly recommended for all sorts of structural applications such as general fabrication, manufacturing, and repairs. Many industries use tubing in a varied range of applications including industrial maintenance, transportation equipment, agricultural implements, frames, truck beds, trailers, and more. With proper equipment and knowledge, it is easy to weld, cut, form, and machine. We have a range of sizes available in precut and mill lengths ready for local delivery or in store pickup. You can also custom order sizes and quantities by contacting our service department at (971) 291-3312.