EN 14015 is the European standard, whereas API 650 is the primary standard used in the United States and many international oil markets.
Professional platforms like IHS Markit or ASTM Compass often provide subscription-based access. En 14015 Pdf
The standard provides a comprehensive framework for every stage of a tank's lifecycle: EN 14015 is the European standard, whereas API
It specifies the grades of carbon and stainless steel that are permissible, ensuring the metal can withstand the hydrostatic pressure of the stored liquid. EN 14015 is the European standard