Monday, October 22, 2018

[MW:28477] Dissimilar thickness material for PQT

Dear All,



I want to carry out a PQR with thickness  7.84 mm P1G1 to P1G2. But material available is API 5l X52 of 7.84 mm and API 5L X65 9.5 mm 


7.84 mm to 9.5 mm 

Is it ok to prepare PQT test coupon with 1:4 taper(Slope) ?  


My client insisting to reduce ID at least  75 mm . Is it really required to reduce ID ?

Please help. 

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