These efforts are reflected in our ability to pass our competitive prices on to you. Our strength in buying can save you money. We bring the largest selection of API 5L carbon steel tube and pipe products to market, including custom structural steel tubing and ASTM pipe products with specialty dimensions. With our immense range of sizes, we are confident we have the products you need. Rexal Tubes supplies API 5L Line Pipe 24 inch Sch 40 ERW Pipe to all types of industries throughout the country & worldwide.