Our company has been producing Spiral Steel Pipe for many years, and has cooperated with many countries in the world. The cooperation with customers praises our products for good quality and low price. Customers say that we are a trustworthy company. Next I will introduce Spiral Steel Pipe.

It is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip according to a certain spiral angle(called forming angle) into a tube blank, and then welding the tube seam together. It can be made with a narrower Strip steel produces large diameter steel pipes . Its specifications are

expressed by outer diameter * wall thickness, and the welded pipe

shall be ensured that the hydraulic test, the tensile strength of the weld and the cold bending performance must meet the requirements.