Square Steel Tube is a welded structural grade tubing that is available in either type A513 or A500 Grade B, depending on its size and wall thickness. Either grade is ideal for all structural applications, general fabrication, manufacturing and repairs.

Choose from our selection of steel square tubing, including low-carbon steel rectangular tubes, multipurpose 304 stainless steel, and more. Same and Next Day Delivery.

Square tube is stocked in most sizes at our metal supply warehouses in Portland, Dallas, Atlanta, Wallingford, Toledo, and Los Angeles. Standard lengths and cut to size are available. We carry square metal tubing in aluminum, brass, carbon steel, and stainless steel.

Steel Square Tube with interior and exterior radius corners and an interior weld seam is an economical choice for many fabrication projects. Easy to weld, cut, form, and machine. It is frequently used in frames, roll cages, truck racks, trailers, and railings. Shop for Galvanized Square & Rectangle Tube Online!

Get free shipping on qualified Square, Steel Metal Tubes products or Buy Online Pick Up in Store today in the Hardware Department.

We have both Electrogalvanized and Hot Dipped Galvanized Square Tubing in stock. Galvanized Square Tubing provides great resistance to corrosion. If you need 40 or 48 foot lengths, sizes or grades not shown here please call one of our friendly sales staff at 866-991-7600.

Steel square tubes, also known as square hollow sections (SHS) or square steel pipes, are hollow structural steel tubing characterized by their square or rectangular cross-sectional shape. They are manufactured by bending and shaping flat steel sheets or rolling and welding steel strips into the desired shape.

Shop Online for Galvanized Square Steel Tube at America's Metal Superstore. Largest selection of Galvanized Tube at Wholesale prices. Any Quantity, Any Size, Delivered Anywhere!

We offer Square Tubing in 20 and 24-foot lengths plus a number of sizes in shorter lengths that can be sent via UPS ground for economical delivery. Square Tubing is an HSS with a very efficient shape for multiple-axis loading and uniform strength.

Looking for square steel tube? Offering the industry’s largest assortment of sizes and gauges, Sterling Pipe & Tube is the premier supplier of square steel tubing. With a massive catalog and an experienced team, you can rest assured that we’ll work to deliver the products you need.