This document specifies the requirements relating to:
Heat resisting alloy X12CrNiCoMoW21-20
Solution treated and precipitation treated
Bars and sections
De ≤ 100 mm
for aerospace applications.
ASD-STAN Designation: FE-PA4901.
IN_DEVELOPMENT
prSSH EN 4573:2020
40.20
DIS ballot initiated: 12 weeks
Feb 9, 2026
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