DS EN 4670:2011 Aerospace Series - Steel Fe-Pm1507 (X1crnimoalti12-11-2) - Vacuum Induction Melted And Consumable Electrode Remelted - Softened - Forging Stock - A Or D <= 300 Mm Describes the requirements relating to: Steel FE-PM1507 (X1CrNiMoAlTi12-11-2) Vacuum induction melted and consumable electrode remelted Softened Forging stock a or D <= 300 mm for aerospace applicatio