DIN EN 2540 : 2018 Title: Aerospace series - Steel X7CrNiAl17-7 (1.4568) - Air melted - Solution treated and precipitation hardened - Sheet and strip - a 6 mm - 1 240 MPa R<(Index)m> 1 450 MPa; German and English version EN 2540:2018 Year: 2018 Publisher: DIN Media GmbH Availability: Within 1-2 working days