Welding Research Institute

Major Developments

Welding Quality Assistance for New PAMBAN BRIDGE
Establishment of orbital narrow gap welding of heavy wall thickness pipes of exotic materials
Establishment Of Welding Procedures For The Country's Ever Gr 91 Membrane Wall Panel For AUSC Boiler
Establishment of in-situ PWHT procedures for thick-walled pipe weld joints at 980� c in an Ni base alloy
Development of mechanized SAW for Cirseam welding of HP/LP valve component
Analysis of distortion in hydro turbine components using FEM
Welding improvement on high strength structural steel (BS EN 10025-S420 N) for ceiling girders
Laser hybrid welding system established for welding of capacitor boxes
Development of laser transforming hardening technology
Development & establishment of internal Stelliting system for ?Y? type valve body
Phased array ultrasonic testing procedure for MIAB welded tubes
Development of cold wire addition using tandem submerged arc welding for long seam butt joints
Induction pressure welding of tubes with foil inserts
Friction Stir Welding technology established for manufacturing of bus duct component
Establishment of activated TIG welding for high wall thickness tubes
GMAW / FCAW technology for welding of piping joints for boiler & turbine assy at site
Automated GMAW process established for welding of hand holed pipe to dished end (header)
Establishment of automated welding system for manufacturing of Bifurcate components
Robotic welding technology established for high capacity transformer tanks
technology established for robotic welding of HRSG module
Automated GMAW process established for welding of hand holed pipe to dished end (header)
Development of high performance robotic welding for tube to fin welding using Time Twin Technique process