API 510 Pressure Vessel Inspection
API 510 covers the inspection, repair, alteration, and rerating activities for pressure containing vessels as well as the pressure relieving devices that protect the equipment covered in the code. This code is applicable to refining and chemical processing plant equipment as well as the equipment from other industrial and manufacturing companies. If the equipment is in-service and stamped with an ASME “U” stamp, then the equipment was constructed to ASME Sec. VIII Div. 2 and is covered under API 510.