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  1. MetalsDepot® - Buy Rectangle Steel Tube Online!

    Rectangle 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 …

  2. Rectangular Tube | Buy Cut To Size | Metal Supermarkets

    Explore our range of rectangular metal tubes at Metal Supermarkets in various materials like mild steel, aluminum, & stainless steel, all cut to size. Shop now.

  3. Rectangular Tube | Custom Cuts Available - Online Metals

    Shop Rectangular Tubing in a variety of materials at OnlineMetals.com. Standard sizes and custom cuts available. Price and Shop today! Ships anywhere.

  4. Steel Rectangular Tubing | McMaster-Carr

    Choose from our selection of steel rectangular tubing, including low-carbon steel rectangular tubes, weld-together framing and fittings, and more. Same and Next Day Delivery.

  5. Rectangular Steel Tubing - Totten Tubes

    Totten Tubes supplies rectangular structural steel tubing for bridges, buildings, highways, and other construction applications. Our diverse inventory makes it easy to find the right structural …

  6. Rectangular and Square Tubing - Metals USA

    Metals USA offers a wide variety of structural steel tubing in rectangular and square shapes and varying lengths.

  7. Rectangular Structural Steel Tubing - Industrial Tube

    Industrial Tube & Steel Corporation has been a rectangular tubing supplier in A513 (mechanical) and A500 (structural) grades, in a range of sizes and wall thicknesses, for over 65 years.

  8. Rectangular Steel Tubing - Mechanical Rectangle Tubing | Lock Joint Tube

    Rectangle steel tubing is known for its strength, durability, and resistance to bending, making it ideal for use in applications where structural support is required.

  9. Buy Steel Rectangle Tube - Shop Metals Online - Ryerson

    Shop for Steel Rectangle Tube in a variety of sizes and lengths. With our easy-to-use website, you can quickly find the right product for your project and have it delivered to your door.

  10. Mechanical/Structural Steel Rectangular Tube | Buy Online

    Rectangle steel tubing is available in A500 grade B or A513. Rectangular square tubes have a non-coated, semi-smooth grey finish. Mechanical steel square tubing “wall thickness” has a …