Wednesday, September 28, 2011

[MW:12571] DHT requirement of WPS

Dear All,

Regarding DHT (Dehydrogen heat treatment ) of PQR,

I have P4 to P4 PQR with following DHT

Heat treatment temperature :- 350 degree C.

Holding time- 4 Hrs (Time Required by client)

Above DHT requirement as per client specification, but i want use this PQR for different job where no any criteria of DHT requirements, so it is possible to use following DHT cycle

Heat treatment temperature :- 350 degree C.

Holding time- 1 Hr

 

 

Please shear your valuable guidance/Experience for above subject



Regards

Vijay Katkar

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