For spiral steel pipe, I believe you are not unfamiliar with the scope of application of spiral steel pipe is relatively wide, so people in the purchase of spiral steel pipe, should first understand the type of spiral steel pipe, convenient for everyone to choose their own spiral steel pipe. How many types of spiral steel tubes are there? Let's take a look at them together.

　　Classification by manufacturing process

　　(1) The manufacturing process of seamless steel tube can be divided into hot rolling (extrusion), cold rolling (drawing) and hot expanding steel tube.

　　(2) Welded pipes can be divided into straight welded pipes, spirally welded pipes, butt welded pipes with sheet coil and hot-expanded pipes according to the manufacturing process.

　　Classification by shape

　　Steel pipe can be divided into round pipe, square pipe, rectangular pipe, octagonal pipe, hexagonal pipe, D-shaped pipe, pentagonal pipe, complex section pipe, double concave pipe, five-petal plum-shaped pipe, conical pipe, corrugated pipe, melon-shaped pipe, double-convex pipe and so on.

　　Classification by use

　　Steel pipes can be classified according to their uses as follows: steel pipes for pipelines, steel pipes for thermal equipment, steel pipes for machinery industry, petroleum, steel pipes for geological drilling, container steel pipes, steel pipes for chemical industry, special purpose steel pipes, etc.

　　The above is the type of spiral steel pipe introduction, I hope to help you understand spiral steel pipe, early selection of suitable spiral steel pipe. If you don't know which kind of spiral steel pipe is suitable for you, or have other questions, welcome new and old customers to call Hebei Golden Lock Spiral Steel Pipe Manufacturing Co., Ltd.