En 102251 Pdf -

The standard defines grades based on yield strength and toughness:

Why does the mass of the coating matter? Because the lifespan of a steel tube in a corrosive environment (like offshore platforms, chemical plants, or outdoor scaffolding) depends entirely on the coating thickness. en 102251 pdf

It is important to understand that EN 10225-1 is just one part of a multi-part standard. The series was restructured in the 2019 edition to better cover all product forms. The parts are: The standard defines grades based on yield strength

Technical Delivery Conditions for Flat Products Made of Steels for Shipbuilding and Other Structural Applications: An Overview of EN 10225-1:2019 one would need to assess:

For a detailed review of a specific PDF, one would need to assess: