This document specifies the requirements relating to:
Steel X5CrNiCu17-4 (1.4542)
Air melted
Solution treated and precipitation treated
Forgings
a or D ≤ 200 mm
Rm ≥ 930 MPa
for aerospace applications.
W.nr: 1.4542.
ASD-STAN: FE-PM3801.
PUBLISHED
SRPS EN 3678:2011
PROJECT
dnaSRPS EN 3678:2026
50.99
FDIS or proof approved for publication
Oct 19, 2026