1. The elongation of the stainless steel welded pipe equipment pipe is usually about 4-5mm, otherwise it will cause defects, which is more important.
2. Stainless steel pipes and tube sheets should be polished to a lustrous finish.
3. The cleanliness requirements of stainless steel welded pipe equipment are also relatively high, otherwise pores will appear and affect the welding quality.
4. When welding stainless steel pipes, the surface of the steel strip should be kept clean to avoid debris affecting the surface quality of the stainless steel pipes.
5. Conduct eddy current flaw detection and air tightness test on each stainless steel welded pipe. Three inspections for the first piece, and expansion every hour. Avoid problems with the stainless steel welded pipes produced.
