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Hi All, I want to ask for any expert here, how to perform stress analysis for above material and what kind of code/standard ? Is BS7159/UKOOA ( for GRP/GRE pipe) applicable for it ? The pipe will be buried with 8" size, 60 C.deg, and 2300 psig, with 30 km length as water pipeline. Rgrds,

What is the design thickness code for flowline pipe with design pressure 8000 psia, API 5L X65 CRA 625 Clad, Nom Size 6" ?

Hi all pipeliner, Can we use fitting A234 for Pipe X42 ( use B31.8code ) with same schedule 12.7 mm ? As we know , design factor(F) shall be considered in Thickness calculation of B31.8 for pipe. But no rules to calculate Fitting thickness with including design factor in this code.

Hi, Need your advice for small problem, Can cicumferential stress by live load at API RP1102 combined with hoop stress of B31.8 ? Thank's

I have a problem for ball valve material selection for B31.8 pipeline. Piping material use API 5L X70 ( SMYS=70 psi ), but valve material A105 with lower yield strength ( 36 psi). Valve shall be full bore opening, but it seems not possible because the valve will be thicker (different ID) cause...