Ryerson stocks carbon steel square tubing in A513 (mechanical) and A500 (structural) grades, in a range of sizes and wall thicknesses. A500 structural carbon square tube is used in construction applications, but also in cargo trailers and structural fabrications. A513 mechanical carbon steel square tube is frequently employed in the automotive industry, as well as in many other types of machinery ranging from agricultural implements to appliances.
Ready to Order? Continue to the Catalog