NO. OF JOBS
PROBLEM DUE TO
NATURE OF PROBLEM
DIE SEATING/ HOLDING DISTURBED
Re-dry of electrode : Oven has been used during welding
Preheat temperature: Job was preheated to 300̊ C
Inter- Pass temperature: Other than welding area, Job has been completely covered with Heating Coil & glass wool and maintained 300 ̊ C during welding.
Post heat treatment: SRC has been done at 660 ̊ C Soaking Two Hours. Slow Cooling.
USED LOTHERME 355 FOR COMPLETE CLADDING AND ROOT THEN LOTHERME 470 M FOR BUILD UP.