Line pipe is a type of steel pipe that is used for transporting materials through pipelines across the country. Line pipe can be used to transport petroleum, natural gas, oil, and water. It is a durable pipe that must meet certain specifications and regulations. This pipe typically has a high strength and durability in order to withstand high pressures. At Crestwood Tubulars, we sell and distribute line pipe in a complete variety of sizes, lengths, diameters, and grades.