Quenched and tempered steels - Part 1: Technical delivery conditions for special steels (includes Amendment A1:1996); German version EN 10083-1:1991 + A1:1996— 38 стр.
Quenched and tempered steels - Part 2: Technical delivery conditions for unalloyed quality steels (includes Amendment A1:1996); German version EN 10083-2:1991 + A1:1996— 18 стр.