National foreword

This British Standard is the UK implementation of EN 4500‑004:2026. It supersedes BS EN 4500‑004:2024, which is withdrawn.

The UK participation in its preparation was entrusted to Technical Committee ACE/61, Metallic materials for aerospace purposes.

A list of organizations represented on this committee can be obtained on request to its committee manager.

Contractual and legal considerations

This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be accepted by BSI in relation to the adequacy, accuracy, completeness or reasonableness of this publication. All and any such responsibility and liability is expressly disclaimed to the full extent permitted by the law.

This publication is provided as is, and is to be used at the recipient’s own risk.

The recipient is advised to consider seeking professional guidance with respect to its use of this publication.

This publication is not intended to constitute a contract. Users are responsible for its correct application.

Compliance with a British Standard cannot confer immunity from legal obligations.

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2026.

This European Standard was approved by CEN on 26 July 2026.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and United Kingdom.

European foreword

This document (EN 4500‑004:2026) has been prepared by ASD-STAN.

After enquiries and votes carried out in accordance with the rules of this Association, this document has received the approval of the National Associations and the Official Services of the member countries of ASD-STAN, prior to its presentation to CEN.

This document shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2027, and conflicting national standards shall be withdrawn at the latest by April 2027.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document will supersede EN 4500‑004:2024.

EN 4500‑004:2026 includes the following significant technical changes with respect to EN 4500‑004:2024:

addition of the lines 4.3 “Further intended processing” and 5.2 “Dimensional standard” in the body of the document and in Annex D;
addition of introductory sentences to Table 1 in Annex C to highlight the fact that the table is a normative element and that all the documents that it lists can be applied;
overall editorial modifications to give clarity on the normative or informative nature of the references made to other documents or annexes;
restructuring of the document and simplification of the template to achieve a single continuous table.

Introduction

This document is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258.

The EN 4500 series (Aerospace series — Metallic materials — Rules for drafting and presentation of material standards) is composed by the following documents:

Basis for the drafting of all European standards is CEN/CENELEC Internal Regulations — Part 3: Principles and rules for the structure and drafting of CEN and CENELEC documents.

1 Scope

The EN 4500 series specifies the rules for the drafting and presentation of metallic material standards for aerospace applications.

This Part 004 specifies the “Specific rules for titanium and titanium alloys”.

2 Normative references

3 Terms and definitions

4 Rules for drafting a European standard for aerospace metallic materials

4.1 General

4.2 Title

4.3 Introduction

4.4 Scope, normative references, terms and definitions, requirements

4.5 Table 1

4.6 Bibliography

Bibliography