BRITISH STANDARD AEROSPACE SERIES BS EN 2545 2 1995 Titanium and titanium alloy remelting stock and castings — Technical specification — Part 2 Remelting stock The European Standard EN 2545 2 1995 has[.]
BRITISH STANDARD AEROSPACE SERIES Titanium and titanium alloy remelting stock and castings — Technical specification — Part 2: Remelting stock The European Standard EN 2545-2:1995 has the status of a British Standard ICS:49.040.10 UDC 669.295-4:620.1 BS EN 2545-2:1995 BS EN 2545-2:1995 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, upon which the following bodies were represented: Aluminium Federation British Forging Industry Association British Investment Casting Association British Iron and Steel Producers’ Association British Steel Industry Copper Development Association Light Metal Founders’ Association Ministry of Defence Seamless Steel Tube Association Society of British Aerospace Companies Ltd This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 November 1995 © BSI 12-1999 The following BSI references relate to the work on this standard: Committee reference ACE/61 Draft for comment 91/77416 DC ISBN 580 24077 Amendments issued since publication Amd No Date Comments BS EN 2545-2:1995 Contents Committees responsible National foreword Foreword Text of EN 2545-2 List of references © BSI 12-1999 Page Inside front cover ii Inside back cover i BS EN 2545-2:1995 National foreword This British Standard has been prepared by Technical Committee ACE/61 and is the English language version of EN 2545-2:1995 Aerospace series — Titanium and titanium alloy remelting stock and castings — Technical specification — Part 2: Remelting stock, published by the European Committee for Standardization (CEN) EN 2545-2 was produced as a result of international discussions in which the United Kingdom took an active part Cross references The British Standards corresponding to the European Standards referred to in the text are identical in number and title to those given in clause , with the exception of the three Parts of EN 2002 A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application Compliance with a British Standard does not of itself confer immunity from legal obligations Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages to 4, an inside back cover and a back cover This standard has been updated (see copyright date) and may have had amendments incorporated This will be indicated in the amendment table on the inside front cover ii © BSI 12-1999 EN 2545-2 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM May 1995 ICS 49.040.10 Descriptors: Aircraft industry, titanium, titanium alloy, forging, casting, melting, specification English version Aerospace series — Titanium and titanium alloy remelting stock and castings — Technical specification — Part 2: Remelting stock Série aérospatiale — Produits pour refusion et pièces moulées en titane et alliages de titane — Spécification technique — Partie 2: Produits pour refusion Luft- und Raumfahrt — Vormaterial und Gußstücke aus Titan und Titanlegierungen — Technische Lieferbedingungen — Teil 2: Vormaterial This European Standard was approved by CEN on 1994-11-25 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 Central Secretariat 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 Central Secretariat has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom CEN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels © 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members Ref No EN 2545-2:1995 E EN 2545-2:1995 Foreword Contents This European Standard has been prepared by the European Association of Aerospace Manufacturers Foreword (AECMA) Scope After inquiries and votes carried out in accordance Normative references with the rules of this Association, this standard has Manufacture successively received the approval of the National Associations and the Official Services of the member Dimensions and tolerances countries of AECMA, prior to its presentation to Internal defects CEN External defects This European Standard shall be given the status of Chemical composition a national standard, either by publication of an Provision of test samples identical text or by endorsement, at the latest by November 1995, and conflicting national standards Mechanical testing shall be withdrawn at the latest by November 1995 10 Marking According to the CEN/CENELEC Internal Table — Summary of requirements Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom Page 3 3 3 3 4 © BSI 12-1999 EN 2545-2:1995 Scope and field of application This standard specifies the particular requirements for remelting stock intended for the manufacture of titanium and titanium alloy castings This standard shall be used in conjunction with EN 2545-1 Normative references This European Standard incorporates by dated or undated reference provisions from other publications These normative references are cited at the appropriate places in the text and the publications are listed hereafter For dated references, subsequent, amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision For undated references the latest edition of the publication referred to applies EN 2002-1, Aerospace series — Test methods for metallic materials — Part 1: Tensile testing at ambient temperature1) EN 2002-2, Aerospace series — Test methods for metallic materials — Part 2: Tensile testing at elevated temperature1) EN 2002-5, Aerospace series — Test methods for metallic materials — Part 5: Uninterrupted creep and rupture testing1) EN 2545-1, Aerospace series — Titanium and titanium alloy remelting stock and castings — Technical specification — Part 1: General requirements Manufacture The sponge and additions shall be obtained from suppliers approved by the remelting stock manufacturer Unless otherwise agreed between the manufacturer and the purchaser, only approved wrought scrap shall be used It shall consist of the remelting stock manufacturer’s own scrap or scrap from an approved reprocessing plant Unless otherwise agreed between manufacturer and purchaser, the use of machining chips obtained from external source is forbidden Melting shall be carried out under vacuum Charges containing titanium sponge shall be multiple melted 1) Published as © BSI 12-1999 Remelting stock shall be manufactured from a charge made from: — virgin materials (sponge + alloying elements) or — virgin materials plus a defined and constant percentage of approved scrap up to 70 % or — virgin materials and/or approved scrap at the option of the manufacturer This composition shall be applied unless otherwise specified on the order or manufacturing schedule Dimensions and tolerances The form, mass, dimensions and tolerances shall be defined by agreement between the manufacturer and the purchaser The frequency of examination adopted by the manufacturer shall be sufficient to permit him to certify compliance with the requirements Internal defects No defects prejudicial to the intended use Unless otherwise agreed between the manufacturer and the purchaser and stated on the order or inspection schedule, test methods and acceptance criteria shall be at the option of the manufacturer The frequency of examination adopted by the manufacturer shall be sufficient to permit him to certify compliance with the requirements External defects The visual inspection shall not reveal any surface contamination or foreign matter including paint, other than that approved for marking The frequency of examination adopted by the manufacturer shall be sufficient to permit him to certify compliance with the requirements Chemical composition See EN 2545-1 Provision of test samples Sufficient test samples shall be provided and prepared from each batch in accordance with the requirements of EN 2545-1 for the tests required by the material standard or inspection schedule AECMA Prestandard at the date of publication of this standard EN 2545-2:1995 Mechanical testing When specified on the material standard, tensile, creep rupture or creep tests shall be made at a frequency of one test per batch and in accordance with: — EN 2002-1 for tensile testing at room temperature; — EN 2002-2 for tensile testing at elevated temperature; — EN 2002-5 for creep and creep rupture testing The result shall comply with the requirements of the material standard 10 Marking Unless otherwise specified on the order, all products shall bear the following marking: — material standard number; — parent-cast number, — identification of the manufacturer and plant, — such other marking as will ensure full identification The method of marking shall be at the option of the manufacturer provided the marking is permanent Table — Summary of requirements Requirements Dimensions Internal defects External defects Chemical composition Mechanical properties at room temperature Mechanical properties at room temperature Creep and creep rupture properties Marking Clause 9 10 Inspection/Testing Standard Frequency — See — See — See — One per parent-cast Product Method All Appropriate All See All Visual All See test at room EN 2002-1 One per batch If required Tensile temperature test at If required Tensile elevated temperature EN 2002-2 One per batch If required Creep test EN 2002-5 One per batch All — Visual See EN 2545-1 © BSI 12-1999 BS EN 2545-2:1995 List of references See national foreword © BSI 12-1999 BS EN 2545-2:1995 BSI — British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions 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