This document specifies the requirements relating to:
Steel X15CrNi17-3 (1.4057)
Air melted
Hardened and tempered
Bars for machining
De ≤ 200 mm
900 MPa ≤ Rm ≤ 1 100 MPa
for aerospace applications.
NOTE ASD-STAN designation: FE-PM3901
Material number: 1.4057
PUBLISHED
SRPS EN 3490:2011
PROJECT
dnaSRPS EN 3490:2026
50.99
FDIS or proof approved for publication
Oct 15, 2026