New ASME B31.3 2014 aspects like the new concepts about heat treatments or inspection

González Andrino, Ramón

The last year, a new version of our Process Piping Code, ASME B31.3 -2014 was introduce. We will discuss the main changes and give an introduction to some of them. The main points to consider are the following: Category M Fluid service (and Chapter VIII), changes at table 304.1.1, 305.2.3 Pipe for Severe Cyclic Conditions, 306.6 Thermowells, changes at 328.5 Welding Requirements, 328.7 Attachment Welds, 330 Preheating, 331 Heat Treatment, 344.3 Magnetic Particle Examination, 344.4 Liquid Penetrant Examination, 345.4.2 Test Pressure, new materials at Appendix A