[MW:12466] Requirement and Procedure of Intermediate SR............

Dear experts,

                       Kindly solve my query. 

                       My requirement for the Steam/Boiler drum : Intermediate SR (PBHT) followed by shell rolling & final SR(PWHT) followed by aftyer completion of drum welding.

                       i qualified WPS as per ASME sec IX & EN ISO 15614-1 only with Final PWHT.

                      

                      Material:SA516 gGR 70/WB36

               

                      

                      But for my job having intermediate SR also. Is it requred to qualify WPS with PWHT followed by intermediate SR (PBHT)? If required to qualify,  based on which

                      clauss we  have to follow?and where we have to mention in the WPS?

                       

                       

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THANKS & REGARDS

 

KALYAN VVV

WELDING ENGINEER

HYDERABAD

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