Manufacturers of seamless steel pipes are seamless because of the way they produce them without dividing them into segments. In order to acheive a different shape, these rectangular pipes are pierced with holes and made into cylinders. A big advantage of using these pipe is their strength and the ability for them be used in high pressure. The pipes can be made in a variety of shapes, sizes and lengths. These have specific use cases in oil and gas transportation pipelines, motors in automobiles, parts for aerospace vehicles