BS EN 4245:2020 pdf free.Aerospace series - Heat resisting alloy FE-PM1708 - Vacuum arc remelted一As forged一Forging stock一De≤300 mm. BS EN 4245 This document specifies the requirements relating to: Heat resisting alloy FE-PM1708 Vacuum arc remelted As forged Forging stock DeS300mm for aerospace applications. 2 Normative references The following documents are referred to in the text in such a way that...