What is this standard about?
This document specifies the requirements relating to:
Steel FE-PM1503 (X3CrNiMoAl13-8-2)
Vacuum induction melted and consumable electrode remelted
Solution treated and precipitation treated Forgings
a or D ≤ 150 mm
1 200 MPa ≤ Rm ≤ 1 400 MPa
for aerospace applications.