Criticality In Fabrication

• Welding of K-Joint having depth 110 mm and Circumference 1900 mm.
• This is T type fit up, it is very difficult to maintain concentricity between Vertical shell O.D. and Bottom flange O.D. But we have achieved this concentricity within 1mm with help of four plumb and dial gauge method at two positions.
• Heat input control is very critical for this huge forging welding but we have achieve it within 1200J/mm.
• UT calibration Block design for K-Joint.
• UT examination by ILTR probe of K-Joint. Our job cleared for the same in first stroke without any repair.