NA 131

DIN Standards Committee Aerospace

DIN EN 4631 [Withdrawn] references following documents:

Document number Edition Title
EN 2950 2008-08 Aerospace series - Test method - Wrought heat resisting alloys Semi-finished products and parts - Conditions for macrographic and micrographic examination - Atlas of structures and defects More 
EN 4050-4 2012-09 Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4: Acceptance criteria More 
EN 4629 2013-02 Aerospace series - Steel X4CrNiMo16-5-1 (1.4418) - Air melted - Softened - Forging stock - De ≤ 300 mm More