DIN EN 2543 : 2009 Title: Aerospace series - Steel FE-PL1502 (25CrMo4) - Annealed - Sheet and strip - 0,3 mm a 2 mm - For prevailing torque nuts; German and English version EN 2543:2009 Year: 2009 Publisher: DIN Media GmbH Availability: Within 1-2 working days