1. Aerospace series. Heat resisting alloy NI-PH2601. Solution treated and cold worked. Bar for forged fasteners. D ≤ 50 mm. 1 550 MPa ≤ Rm ≤ 1 830 MPa. (23rd January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗