DS EN 3523:2007 Aerospace Series - Steel Fe-Pl1505 (15Crmov6) - Air Melted - Hardened And Tempered - Bar For Machining - D[E] <= 100 Mm - 1080 Mpa <= R[M] <= 1280 Mpa Describes the requirements relating to: Steel FE-PL1505 (15CrMoV6) - Air melted - Hardened and tempered - Bar for machining - D[e] <= 100 mm - 1080 MPa <= R[m] <= 1280 MPa for aerospace applications.