Difference Between PSL1 and PSL2 Pipe
PSL1 Vs PSL2 Pipe. The American Petroleum Institute (API) designates different specifications of API line pipe. There are two specs PSL-1 and PSL-2 comes under API 5L. These specs cover seamless and welded API steel line pipe from grades X42 through X80. API 5L Line Pipes is suitable for transporting fluids such as gas, water, and oil, and is ...