DIN EN 4631 : 2013 Title: Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Hardened and tempered - Bar - D<(Index)e> 200 mm - 900 MPa R<(Index)m> 1 050 MPa; German and English version EN 4631:2013 Year: 2013 Publisher: DIN Media GmbH Availability: Within 1-2 working days