API 5L 3.2 Certified Pipe
The American Petroleum Institute specification API 5L is mostly used for the transportation of natural gas and petroleum. These API 5L pipes are both seamless and welded. Their main purpose is the transportation of water, oil and gas from one location to another. The capability of the manufacturer ascertains the size of the pipe.
An API 5L pipe is manufactured by adhering to the specifications laid down by the International Organization for Standardization (ISO) 3183. It standardizes the criteria for the materials, equipment and offshore structures for petrochemical, petroleum and natural gas industries. PSL 1 and PSL 2 are the two Product Specification Levels that have been recognized by the technical committee. PSL 1 includes pipes that are made of a standard quality whereas PSL 2 pipes have additional chemical & mechanical properties and their testing requirements also differ.