Aladdin Steel carries hundreds of sizes from 1/2" OD thru 12" OD in Round Galvanized Steel Tubing and Pipe. We also carry many popular sizes of Square and Rectangular Galvanized and Aluminized Steel Tubing. With a wide assortment of cut-off equipment for deburring, swaging, and more. We have 2,000 items in our inventory; more sizes than are currently shown in our catalog. Many of these steel tubing and steel pipe sizes are rare and unique within the industry. If you are having difficulty finding a size, contact one of our sales representatives. There is a good possibility we may have what you need.