The EN 1090 standards are European standards that regulate the fabrication and assembly of steel and aluminium structures and are recognized by the Construction Products Regulation 2011 (CPR).
EN 1090 comprises three parts:
EN 1090 replaced the nationally applicable regulations, e.g. in Germany DIN 18800-7 and DIN V 4113-3.
References
EN 1090 Wikipedia(Text) CC BY-SA