Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties; German version prEN 10222-2:2012
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2007— 131 стр.
Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperatures properties; German version EN 10222-2:2017— 25 стр.