Differences between spiral welded steel pipe and longitudinal welded pipes are many to be found if you want to use one of them for your project. They are used for different occasions and situations. There are also many types products of steel pipes available that you should know how to choose and how to maintain. With the development of our technology and society, the pipes are already the most suitable material for water or drainage system. They are durable for use and stable even their are hot water or something flowing through.