In the 2009 edition, this was required for materials ≥ 25 mm. Under EN 10225-1:2019 , through-thickness (Z-direction) testing is mandatory for plates ≥ 15 mm.
Thermo-mechanical rolled / Low-temperature toughness. +N / +NL: Normalizing rolled / Low-temperature toughness. en 102251 pdf verified
Disclaimer: Always consult with a certified material engineer or the latest BS EN standards documentation from a verified source like BSI or CEN to ensure full compliance for your specific project. If you'd like, I can: Explain the differences between and MLO steel Detail the welding procedures required for these steels Compare this standard to API 2H or API 2W Let me know what else you need to know about EN 10225-1 . AI responses may include mistakes. Learn more EN10225-1: 2019 Plates - ArcelorMittal Projects In the 2009 edition, this was required for
Once you have a verified EN 10225-1:2019 PDF, you can: +N / +NL: Normalizing rolled / Low-temperature toughness