API 5L X52 PSL2 refers to a specific grade in the API 5L specification for seamless carbon steel pipes used in oil and gas applications. It is designed to meet the requirements of the American Petroleum Institute (API) and is commonly used in the transmission of petroleum and natural gas.

The "PSL2" designation indicates that the pipe meets the more stringent performance requirements of the API 5L standard, with additional testing and quality control measures compared to PSL1 pipes.

The X52 grade of the API 5L specification denotes a minimum yield strength of 52,000 psi (360 MPa) and a minimum tensile strength of 66,700 psi (460 MPa). This ensures excellent strength and reliability in demanding oil and gas environments.

API 5L X52 PSL2 carbon seamless steel pipes are manufactured through a process that involves piercing a solid billet of steel and then rolling it into a seamless tube. This seamless construction provides superior strength, durability, and resistance to corrosion.

These pipes are widely used in oil and gas transmission pipelines, offshore drilling platforms, and other critical applications in the energy industry. Their high-quality construction and adherence to industry standards make them a reliable choice for transporting oil and gas over long distances.