we are doing stellite welding in PTAW PROCESS.The
base material ASTM A182 F22 CL3 in that over we are doing ST-6
HARDFACING.we are doing two layers .Each layer deposit height is
2.5mm.After PWHT & PROOF MACHINING deposit height is 4mm each side in
proof machining we are doing LPI means it is 100 % defect free.BUT
after final machining deposit height is 3mm.in that we are found lot
of LPI ROUNDED INDICATIONS.So all the components are IN FIANLLY
REJECTED.Please give the solution ASAP.
REGARD'S
M.VENKATESAN
Q.C.ENGINEER
OMPLASSYSTEMS.
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