It means the reinforcement must be greater than the pipe surface n less than 1.6 mm. If it is greater than 1.6mm u can grind it for a little circumferential length, but normally the client will not allow..n itz not a good practice too..so insist the welders to weld with a reinforcement below the specified.
Binu valiyaveedu
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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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