DS EN 4631:2013
DS EN 4631:2013 Aerospace Series - Steel X4crnimo16-5-1 (1.4418) - Air Melted - Hardened And Tempered - Bar - D[E] <= 200 Mm - 900 Mpa <= R[M] <= 1050 Mpa Defines the requirements relating to: Steel X4CrNiMo16-5-1 (1.4418) - Air melted Hardened and tempered - Bar - D[e] <= 200 mm - 900 MPa <= R[m] <= 1050 MPa, for aerospace applications.