EN 13445 - Unfired Pressure Vessels is a standard that provides rules for the design, fabrication, and inspection of pressure vessels EN 13445 consists of 8 parts: * EN 13445-1 : Unfired pressure vessels - Part 1: General * EN 13445-2 : Unfired pressure vessels - Part 2: Materials * EN 13445-3 : Unfired pressure vessels - Part 3: Design * EN 13445-4 : Unfired pressure vessels - Part 4: Fabrication * EN 13445-5 : Unfired pressure vessels - Part 5: Inspection and testing * EN 13445-6 : Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron * EN 13445-8 : Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys * EN 1344