| Feature | EN 14015 | API 650 | | :--- | :--- | :--- | | | Europe (CEN) | USA (API) | | Design Philosophy | Limit State Design (partial safety factors) | Allowable Stress Design (Working Stress) | | Wind & Snow Loads | Refers to Eurocode 1 (EN 1991) | Refers to ASCE 7 (US weather data) | | Seismic Design | Refers to Eurocode 8 (EN 1998) | Refers to API 650 Annex E | | Material Grades | European steels (e.g., S275, S355) | ASTM steels (e.g., A36, A516 Gr 70) | | Inspection Scope | Very specific NDT requirements based on joint type | Slightly different NDT rules |
It does not cover refrigerated tanks or specific fire-fighting equipment. En 14015 Pdf
EN 14015, fully titled “Specification for the design and manufacture of site built, vertical, cylindrical, flat-bottomed, above ground, welded, steel tanks for the storage of liquids at ambient temperature and above,” is a European Standard (EN). | Feature | EN 14015 | API 650