[header] How to bend steel tubing [title] Purchase a tube bender. [step] Your local hardware store will have a variety of tube benders available at different price points. The major differences may include the amount of hydraulic force the bender can apply to the tube as well as the size and durability of the accompanying die set. 
[substeps] The dies are curved pieces you attach to the bender and into which you place the tubing to form the bend. The different dies will correspond to different diameters of tubing.