Steel pipe is normally used for pipelines operating at a pressure of 100 psig or more. Steel pipe withstands high pressures, is durable, and has a long operating life cycle. Fiberglass, PVC, or high-density polyethylene (HDPE) pipe is used in certain instances for low-pressure gas gathering pipeline

Pipeline MaterialMild steel pipes and casing (externally flush) were commonly used since 1940s. They suffer from many drawbacks. Some of them are listed below:1.Very heavy in large sizes (above 5″ in diameter) and liable to hurt workers.2.Must be on floor and prone to get damaged by both floor heavi