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
SSH EN 3678:2008
IN_DEVELOPMENT
prSSH EN 3678:2025
40.20
DIS ballot initiated: 12 weeks
Feb 9, 2026
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