If we intend to use weld neck flange 56" , 600# , THK. 0.81" (ASTM A105N) with pipe 56" , API 5L , X70 , THK. 0.81" , is it applicable to weld them together and what is the precautions shall be taken in our considerations for this issue including welding , NDT and hydro static testing?
Note...
Dears,
Is it possible to create "golden weld" for internal coating pipeline after hydrostatic testing, and what's the technique used for coating "golden weld" ?
note: we have main pipeline 20" and two branches 12" , where each pipeline will be hydrostatic tested separately and then two...