Saturday, December 11, 2010

[MW:8684] PQR with simulation

Dear All,
 
Greetings.
 
for a vessel to be fabricated as per ASME SEC VIII DIV 1.
 
Shell material  -  SA  387 GR 12 CL2   80 THK,
 
AS PER UCS 56 Soaking time for PWHT for  this thickness is  195 minutes.
vessel required simulation cycles( 3 cycles) PWHT.
 
AS per the test certificates the heat treatment  simulation cycles for  test coupon was done for 504 minutes only.
 
 
Pls inform me whether the Test certificate/results can  be accepted as the soaking hours are less than the requirement.
 
 
Regards
 
Asad Azmi

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