Classified by the process - gas-shielded welded pipe, arc welded pipe, resistance welded pipe (high frequency, low frequency)
Classification by weld seam - straight seam welded pipe, spiral welded pipe
Classified by section shape - round steel pipe, rectangular pipe
Classification by wall thickness - thin-walled steel pipe, thick-walled steel pipe
Stainless steel welded steel pipe: Welded steel pipe is referred to as welded pipe for short.
The manufacturing process and flow of welded steel pipe: steel plate > slitting > forming > melting > induction bright heat treatment > internal and external weld bead treatment > shaping > sizing > eddy current testing > laser sizing > pickling > storage
Characteristics of welded steel pipes: stainless steel welded pipes are produced continuously 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; Secondly, the process of the product determines its advantages and disadvantages. Generally, the welded steel pipe has high precision, uniform wall thickness, and high brightness inside and outside the pipe (the steel pipe is determined by the surface grade of the steel plate) Surface brightness), and can be arbitrarily scaled. Therefore, it embodies its economy and aesthetics in high-precision, medium- and low-pressure fluid applications.