Hot rolled unalloyed structural steel products – Technical delivery conditions (includes Amendment A 1 : 1993) English version of DIN EN 10025
1.1 This European Standard specifies requirements for long products and flat products of hot rolled non-alloy, base and quality steels in the grades and qualities given in tables 2 and 3 (chemical composition) and 5 and 6 (mechanical properties) in the usual delivery condition as given in 7.2.
The steels specified in this European Standard are intended for use in welded, bolted and riveted structures, for service at ambient temperatures {subject to the restrictions described in 7.5.1) . They are not intended to be heat treated except products delivered in the delivery condition N. Stress relief annealing is permitted. Products delivered in N condition may be normalized and hot formed after delivery (see clause 3).