DS EN 2467:2007 Aerospace Series - Steel Fe-Pa3901 (X2crni18-9) - Air Melted - Softened - Plate, Sheet And Strip - 0,4 Mm <= A <= 20 Mm - 520 Mpa <= R[M] <= 670 Mpa Describes the requirements relating to: Steel FE-PA3901 (X2CrNi18-9) - Air melted - Softened - Plate, sheet and strip - 0,4 mm <= a <= 20 mm - 520 MPa <= R[m] <= 670 MPa, for aerospace applications.