EJMA outlines requirements for materials, from common stainless steels to high-nickel alloys (Inconel, Incoloy) used in extreme temperature environments. It also covers the construction of accessories like ties rods, hinges, and gimbal structures, which are essential for restraining pressure thrust.
The current and most up-to-date version is the released in 2024. This edition represents the most advanced and comprehensive set of guidelines ever published by the association, building upon the foundation of the 10th Edition and incorporating the latest research and industry best practices. While the 10th edition was a significant update, the 11th edition represents a paradigm shift in how the standards are accessed and maintained. It is a dynamic, living document, not a static PDF. Ejma Standard.pdf