UNE-EN 3491:2006 Aerospace series - Steel FE-PM3901 (X15CrNi17-3) - Air melted - Hardened and tempered - Forgings - De = 100 mm - 900 MPa = Rm = 1 100 MPa (Endorsed by AENOR in April of 2007.)
2007UNE-EN 3491:2006 Aerospace series - Steel FE-PM3901 (X15CrNi17-3) - Air melted - Hardened and tempered - Forgings - De = 100 mm - 900 MPa = Rm = 1 100 MPa (Endorsed by AENOR in April of 2007.)