I was wondering if anyone knew the reason behind API 650 e12 Paragraph 4.5.2 which prohibits the use welded pipe for shell nozzles (though it does allow ASTM A671 electric-fusion-welded).
I recently had a tank vendor attempt to use API 5L pipe for a large bore pipe nozzle (since they specified...
I searched through the forums as well as the codes and other online forums and I don't see a definitive answer on this.
Is there a code that prohibits a fitting weld (circumferential weld) from resting on a free pipe support? We have 6" and 12" coated carbon steel pipes that rest on free...