Aerospace series - Weldability and brazeability of materials in aerospace constructions - Part 004: Welding and brazing of homogeneous assemblies of high alloyed steels; German version EN 4632-004:2012— 35 стр.
Aerospace series - Fluid fittings, flanged, 90° elbowed - Sealing by O-ring for 0,8 mm thick tubes; German and English version FprEN 3631:2013— 29 стр.
Aerospace series - Weldability and brazeability of materials in aerospace constructions - Part 004: Welding and brazing of homogeneous assemblies of high alloyed steels