There will be some defects in the welding process of stainless steel welded pipe, and the defects of stainless steel welded pipe will lead to stress concentration, reduce the bearing capacity, shorten the service life, and even cause brittle fracture. According to the general technical regulations, cracks, non-penetration, non-fusion and surface slag inclusion are not allowed; Defects such as biting edge, internal slag inclusion and porosity cannot exceed a certain allowable value, and excessive defects must be completely removed and welded. Causes, hazards and prevention measures of welding defects of common stainless steel welded pipes.

   Here we first understand the problem of welding nodules. Welding nodules are metal nodules formed when molten metal flows to non-molten base metal outside the weld during welding. Welding nodules not only affect the formation of stainless steel welded pipes, but also there are often clips and incomplete welding in the parts of the nodules.

   There are the following reasons, the blunt edge is too small and the root gap is too large; The welding current is large and the welding speed is fast. Reasons for low level of operation skills of equipment operators.

   The improvement measures are to select the appropriate welding process parameters according to different welding positions, strictly control the size of the weld hole, and improve the operation technical level of the equipment operator.

Related: stainless steel pipe production line, high-speed welded steel pipe production line

Guangdong Hangao Technology Co., LTD

TEL:+86 13534340243

E-MAIL：sales5@hangaotech.com

Wechat：CSbybyy   or   13534340243

WhatsApp：+86 13534340243

Facebook：Valor Chen

TikTok：hangaotech94