DIN EN 4721 : 2014 Title: Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted and electroslag remelted (ESR) - Hardened and tempered - Bar - De 200 mm - 900 MPa Rm 1050 MPa; German and English version EN 4721:2014 Year: 2014 Publisher: DIN Media GmbH Availability: Within 1-2 working days