Welded steel pipes are continuously produced online. The thicker the wall thickness, the greater the investment in the unit and welding equipment, and the less economical and practical it is. The thinner the wall thickness, the lower its input-output ratio will be.
The process of this product determines its advantages and disadvantages. Generally, the welded steel pipe has high precision, uniform wall thickness, high brightness inside and outside the pipe (the surface brightness of the steel pipe is determined by the surface grade of the steel plate), and can be arbitrarily determined. Therefore, it reflects its economy and aesthetics in high-precision, medium and low pressure fluid applications.
The production process of welded steel pipe is simple, the production efficiency is high, the cost is low, and the development is fast.
The strength of the spiral welded pipe is generally higher than that of the straight seam welded pipe. However, compared with the same length of straight seam pipe, the length of the weld is increased by 30100 percent , and the production speed is lower. Therefore, most of the welded pipes with smaller diameters use straight seam welding, and most of the welded pipes with large diameters use spiral welding.