[MW:18045] External reinforcement for pipeline

Dear Experts,

 

I am working to fabricate tie-in spools for pipeline and applicable standard is API 1104

As per API 1104:  7.8.2 Filler and Finish Beads : At nopoint shall the crown surface fall below the outside surface ofthe pipe, nor should it be raised above the parent metal bymore than 1/16in. (1.6 mm).

 

This means : Weld metal: the external reinforcements must not exceed the indicated dimensions ( 1.6 mm) /therefore,  if external reinforcement exceed 1.6 mm, The external reinforcement must be removed to below 1.6 mm as API 1104 required.

 

Please help me to clarify this doubt/

 

Thanks/

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