2x2 square tubing 10 ft 6063-T52 tubing is an extruded product that is widely used for all types of fabrication projects where lightweight and corrosion resistance is a primary concern. Lengths greater than 96" long are more expensive to ship. Versatility and strength are the key positives of square tubing for sale. Hot Roll Steel Square Tube A500/A513 (2" x . 918. whats the inside wall dimensions ? 2 in. 103 23. 5 ft. ): 4. Ryerson stocks square steel tubing in A513 (mechanical) and A500 (structural) grades, in a range of sizes and wall thicknesses. kxnqvjcqandllnwxvjxmjacuejedzrxgywfhuffyggnjlkkcwhbqgejchmjnezpon