BS EN 2465:2019 pdf free.Aerospace series – Steel X2CrNi18-9 (1.4307)-Softened – 450 MPa≤Rm≤680 MPa- Bars for machining- 4 mm≤De≤100 mm.
1 Scope This document specifies the requirements relating to: Steel X2CrNi18-9 (1.4307) Softened 450MPa≤Rm≤680MPa Bars for machining 4mm≤De≤100mm for aerospace applications. 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 4258, Aerospace series – Metallic materials 一General organization of standardization – Links between types of EN standards and their use EN 4500-005, Aerospace series一Metallic materials一Rules for drafting and presentation of material standards一Part 005: Specific rules for steels EN 4700-002, Aerospace series – – Steel and heat resisting alloys – Wrought products- Technical specification – Part 002: Bar and section 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: ●IEC Electropedia: available at http:/ /www.electropedia.org/ ●ISO Online browsing platform: available at http:/ /www.iso.org/obp 4 Requirements See Table 1.For specific welding applications (e.g. high power beam), and after agreement between manufacturer and purchaser: -maximum content of S and P should be reduced to 0,005 % and 0,020 %, respectively; -ratio between Cr and Ni according to SUUTALA Formula should be> 1,67 %; – S+P+ B should be≤0,025 %. 8 % is allowed under agreement between customer and manufacturer (9 % nickel content stabilize the austenite, it’s recommended for less ferrite content, improve forging capability, improve machining and avoid martensite strain hardening). The maximum HB-values may be raised by 100 HB, the tensile strength value may be raised by 200 MPa and the minimum elongation value may be lowered to 20 % for sections and bars of ≤ 35 mm thickness having a final cold deformation and for hot formed sections and bars of ≤ 8 mm thickness. One field of B 3,5 thin permitted per sample examined.BS EN 2465 pdf download.