BS EN 4244:2020 pdf free.Aerospace series一Heat resisting alloy FE-PM1708一Vacuum arc remelted一Hardened and tempered- Bars- aorD≤200 mm- 1 000 MPa≤Rm≤1140 MPa. BS EN 4244 This document specifies the requirements relating to:Heat resisting alloy FE-PM1708 Vacuum arc remelted Hardened and tempered Bars aorD≤200mm 1 000 MPas Rm≤1 140 MPa for aerospace applications.The following documents are referred to in the text in such...