BS EN 2451:2019 pdf free.Aerospace series- Steel 31Ni10- 1 230 MPa≤Rm ≤1420MPa一Forgings-De≤40mm.
1 Scope ; This document specifies the requirements relating to: Steel 31Ni10 1 230 MPa≤Rm≤1 420 MPa Forgings De≤40 mm for aerospace applications. ASD-STAN designation: FE-PL73. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2157-2, Aerospace series 一Steel- Forging stock and forgings 一Technical specification – Part 2: Forging stock 3 Terms and definitions No terms and definitions are listed in this document. ISO and IEC maintain terminological databases for use in standardization at the following addresses: ●ISO Online browsing platform: available at http:/ /www.iso.org/obp ●IEC Electropedia: available at http:/ /www.electropedia.org/ 4 Requirements See Table 1. Low alloy general purpose steel. Qualification programme to be agreed between manufacturer and purchaser.BS EN 2451 pdf download.