Boiler Economizer

System I-ARC400(408)+TOA
Welding Process TIG
Material Carbon Steel etc.
Wall Thickness 3 - 10mm
Joint Type Pipe to Pipe
Application Industry Boiler Component


  • According to the characteristic of boiler, the most suitable welding system include TOA50, TOA70, TOA77, TOA130 and so on; Mainly for thick-wall thickness pipe to pipe welding
  • The workpiece mainly uses V bevel, therefore the root pass is the key, then filling and covering passes are welded by wire feeding and torch swing; to meet the customer requirements
  • In order to improve the productivity, it suggests using multiple welding systems
  • The welding system is very stable
  • Huaheng has 15 years experience on application, excellent welding process