It is a harmonized standard under the European Pressure Equipment Directive (PED) .
Rules for determining required wall thicknesses for cylindrical, spherical, and conical shells. EN 13445-3
General principles, corrosion/erosion allowances, and load cases like wind and seismic activity. It is a harmonized standard under the European
for certain components (like flanges or tubesheets). Comparison between EN 13445-3 and ASME Section VIII . Annex B details for FEA-based design. EN 13445 "Unfired pressure vessels" - UNM and conical shells. General principles
Annex B provides the "Direct Route" for design using Finite Element Method (FEM) analysis for complex geometries. Scope and Application