DS EN 4347:2007 Aerospace Series - Steel Fe-Pm1506 (X3crnimoal13-8-2) - Vacuum Induction Melted And Consumable Electrode Remelted, Softened, Forging Stock A Or D <= 300 Mm Defines the requirements relating to: Steel FE-PM1506 (X3CrNiMoAl13-8-2) - Vacuum induction melted and consumable electrode remelted, softened, forging stock a or D <= 300 mm for aerospace application