API 5L seamless pipe is one of our most popular products. Federal Steel stocks a full line of API 5L Line Pipe. Sizes 2″ to 48″. In wall thickness STD to 4″ thick. API 5L Seamless Steel Pipe Specifications We stock 3 different methods of manufacture: Seamless, ERW, and DSAW API 5L is typically used … Continue reading API 5L Line Pipe