EN 1999-1-1:2023/FprA1

Eurocode 9 - Design of aluminium structures - Part 1-1: General rules EN 1999-1-1:2023/FprA1

Publication date:   Oct 22, 2026

Scope

EN 1999-1-1 gives basic design rules for structures made of wrought aluminium alloys and limited guidance for cast alloys (see Clause 5 and Annex C).
This document does not cover the following, unless otherwise explicitly stated in this document:
- members with material thickness less than 0,6 mm;
- welded members with material thickness less than 1,5 mm;
- connections with:
- steel bolts and pins with diameter less than 5 mm;
- aluminium bolts and pins with diameter less than 8 mm;
- rivets and thread forming screws with diameter less than 3,9 mm.