What are the methods of backing welding of stainless steel pipe?

2021-10-27 745

  Several methods for selection of stainless steel backing welding

  TIG process is generally used for stainless steel backing welding. According to the actual situation on site, we can choose the following four methods for backing welding.

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  ① The method of sealing and ventilation maintenance by using blocking plate on the reverse side;

  ② Only soluble paper or the combination of soluble paper and blocking plate is selected for blocking ventilation maintenance;

  ③ Flux cored wire shall be used for backing TIG welding.

  ④ Flux coated welding wire (self maintenance welding wire) shall be used for backing TIG welding.

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