MatStress Engineering has uploaded a document about Scheme for Calculation of Remaining Life of Furnace Tubes in PDF format on the MatStress Engineering website.
This document discusses implementation of API-579 scheme to calculated the remaining life of furnace tubes in the service life beyond 100,000 hrs. The document discusses the microstructure level damage characterisation and creep rate estimation techniques. The approaches are extremely useful in assessing the further operation of heater tubes avoiding premature retirement or catastrophic failure in operation beyond design life. Find the document in the download section of the website.