Unknown raising standards worldwide™ NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication BS EN 4800 006 2010 Aerospace series — Titanium and titanium alloy[.]
BS EN 4800-006:2010 BSI Standards Publication `,,```,,,,````-`-`,,`,,`,`,,` - Aerospace series — Titanium and titanium alloys — Technical specification Part 006: Pre-production and production forgings NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW raising standards worldwide™ Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 4800-006:2010 The UK participation in its preparation was entrusted to Technical Committee ACE/61/-/49, Titanium and its Alloys for Aerospace Purposes A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © BSI 2010 ISBN 978 580 53380 ICS 49.025.30 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 30 November 2010 Amendments issued since publication Date Text affected `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM November 2010 ICS 49.025.30 English Version Aerospace series - Titanium and titanium alloys - Technical specification - Part 006: Pre-production and production forgings Luft- und Raumfahrt - Titan und Titanlegierungen Kneterzeugnisse - Technische Lieferbedingungen - Teil 006: Ausfallmuster- und Serienschmiedestücke Série aérospatiale - Titane et alliages de titane Spécification technique - Partie 006: Pièces types et pièces de série, forgées et matricées This European Standard was approved by CEN on 20 February 2010 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 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 Management Centre has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale Ref No EN 4800-006:2010: E BS EN 4800-006:2010 EN 4800-006:2010 (E) Contents Page Foreword 3 Introduction 4 1 Scope 5 2 Normative references 5 3 Terms and definitions 6 4 Wording of order 7 5 Health and safety 7 6 Technical requirements 7 `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006:2010 (E) Foreword This document (EN 4800-006:2010) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN) After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2011, and conflicting national standards shall be withdrawn at the latest by May 2011 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006:2010 (E) Introduction This standard is part of the series of EN metallic material standards for aerospace applications The general organization of this series is described in EN 4258 `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006:2010 (E) Scope This standard defines the requirements for the ordering, manufacture, testing, inspection and delivery of titanium and titanium alloy pre-production and production forgings It shall be applied when referred to and in conjunction with the EN material standard unless otherwise specified on the drawing, order or inspection schedule Normative references The following referenced documents are indispensable for the application 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 2002-001, Aerospace series — Metallic materials — Test methods — Part 001: Tensile testing at ambient temperature EN 2002-002, Aerospace series — Metallic materials — Test methods — Part 002: Tensile testing at elevated temperature EN 2002-005, Aerospace series — Test methods for metallic materials — Part 005: Uninterrupted creep and stress-rupture testing EN 2002-16, Aerospace series — Metallic materials — Test methods — Part 16: Non-destructive testing — Penetrant testing EN 2003-009, Aerospace series — Test methods — Titanium and titanium alloys — Part 009: Determination of surface contamination EN 2032-1, Aerospace series — Metallic materials — Part 1: Conventional designation EN 2032-2, Aerospace series — Metallic materials — Part 2: Coding of metallurgical condition in delivery condition EN 2078, Aerospace series — Metallic materials — Manufacturing schedule, inspection schedule, inspection and test report — Definition, general principles, preparation and approval EN 2954-002, Aerospace series — Macrostructure of titanium and titanium alloy wrought products — Part 002: Macrostructure of bar, section, forging stock and forgings EN 3114-001, Aerospace series — Test method — Microstructure of (α + β) titanium alloy wrought products — Part 001: General requirements EN 3114-002, Aerospace series — Test method — Microstructure of (α + β) titanium alloy wrought products — Part 002: Microstructure of bars, sections, forging stock and forgings EN 3683, Aerospace series — Test methods — Titanium alloy wrought products — Determination of primary α content — Point count method and line intercept method EN 3874, Aerospace series — Test methods for metallic materials — Constant amplitude force-controlled low cycle fatigue testing 1) `,,```,,,,````-`-`,,`,,`,`,,` - 1) Published as ASD-STAN Prestandard at the date of publication of this standard Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006:2010 (E) EN 3976, Aerospace series — Titanium and titanium alloys — Test method — Chemical analysis for the determination of hydrogen content EN 3987, Aerospace series — Test methods for metallic materials — Constant amplitude force-controlled high cycle fatigue testing EN 3988, Aerospace series — Test methods for metallic materials — Constant amplitude strain-controlled low cycle fatigue testing 2) EN 4050-1, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates, forging stock and forgings — Part 1: General requirements 2) EN 4050-4, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates, forging stock and forgings — Part 4: Acceptance criteria 2) EN 4258, Aerospace series — Metallic materials — General organization of standardization — Links between types of EN standards and their use EN 4259, Aerospace series — Metallic materials — Definition of general terms 2) EN 4800-005, Aerospace series — Titanium and titanium alloys — Technical specification — Par 005: Forging stock EN 9100, Quality Management Systems — Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace standard parts EN ISO 643, Steels — Micrographic determination of the apparent grain size (ISO 643:2003) `,,```,,,,````-`-`,,`,,`,`,,` - EN ISO 6892-1, Metallic materials — Tensile testing — Part 1: Method of test at room temperature (ISO 6892-1:2009) prEN ISO 6892-2, Metallic materials — Tensile testing — Part 2: Method of test at elevated temperature (ISO/DIS 6892-2:2009) TR 2410, Aerospace series — Metallic materials — Relationship between dimensional standards and material standards 3) AMS 2750, Pyrometry 4) Terms and definitions For the purposes of this document, the terms and definitions given in EN 4259 apply 2) Published as ASD-STAN Prestandard at the date of publication of this standard 3) Published as ASD-STAN Technical Report at the date of publication of this standard 4) Published by: American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA, 19428-2959 USA Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006:2010 (E) Wording of order The order shall clearly indicate: quantities to be supplied; dates of delivery; material standard number; part number; delivery condition and metallurgical code of products; dimensions and tolerances or reference to an appropriate dimensional standard; product designation, when required; forwarding address; nature and type of packing, if required; definition and frequency of any special tests and their retest procedures, if required Health and safety Products in the delivery condition shall fulfil the health and safety laws of the area of the country when and where it is to be delivered A product safety data sheet shall be available 6.1 Technical requirements General The product shall satisfy the requirements of the order, drawing inspection schedule or material standard: see Table 1, line The order, drawing or inspection schedule shall specify the tests to be performed upon: a) pre-forgings for qualification and/or requalification; b) serial production forgings for process control testing (Procedure X: see 6.5); and c) batch release when cut-up testing or forgings is required Unless otherwise specified on the order, drawing or inspection schedule, acceptance criteria for the tests are stated in the material standard, the requirements for each line of which are detailed in Tables and of this technical specification Table related to lines to 29 (inclusive) of the material standard and Table relates to lines 30 onwards in which the sub-line format is also used If a particular test is needed but not shown in a specific line in Tables and 3, the requirement shall be specified on the order, drawing, inspection schedule or material standard `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale BS EN 4800-006:2010 EN 4800-006:2010 (E) 6.2 Qualification requirements See line 100 in Table of this technical specification Qualification shall normally comprise assessment of pre-production forgings See Table 2, No 4.2 6.3 Re-qualification requirements Re-qualification of serial production forgings may be required, at the purchaser’s discretion, in the following cases: modification of the drawing; use of forging stock from a different source; modifications to the forging stock form and/or manufacturer route; modifications to an existing die; use of a new (replacement) die; modifications to the forging manufacturing route; use of a new forging manufacturer; when a significant time interval (usually several years) had elapsed between forging campaigns for a specific part number; when required by the purchaser for any other reason Re-qualification testing requirements, especially location of test pieces, shall be identical to those used for the initial qualification of the pre-production forgings unless otherwise specified on the order, drawing or inspection schedule 6.4 Release requirements Release testing shall be the responsibility of the manufacturer The sampling procedure for release testing shall be one of the following, as specified on the order, drawing or inspection schedule Where no procedure is specified, procedure A shall be used Procedure A: Separate forged test samples shall be produced from the same batch of forging stock as that used to make the serial production forgings Procedure A may be used alone unless denoted AX on the drawing, order or inspection schedule in which case it shall be applied only in conjunction with procedure X (see 6.5) Procedure B: Separate forged heat treatment control test samples shall be prepared which conform to the same material standard as the production forgings, but may originate from a different batch of forging stock Procedure B shall only be used when full heat treatment of the serial production forgings is carried out by the manufacturer and only in conjunction with procedure X (see 6.5) Procedure C: Integral test samples shall be removed from each forgings The order, drawing of inspection schedule shall specify how many test samples shall be tested per batch Procedure C may be used alone unless denoted CX on the drawing, order or inspection schedule in which case it shall be applied only in conjunction with procedure X (see 6.5) Procedure D: Test samples shall be machined from forging(s) selected from each production batch and at locations specified on the order, drawing or inspection schedule `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS Not for Resale Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS BS EN 4800-006:2010 EN 4800-006:2010 (E) Table — Technical requirements for lines to 29, where appropriate (continued) Frequency of testing Material standard line reference No Requirements Qualification Release − − − − Title 6.1 Delivery condition (continued) If shape or size does not permit the marking all the above requirements, the amount of marking may be reduced (codified, contracted, etc.) by agreement between the manufacturer and the purchaser provided traceability to the required information is maintained Alternatively the forgings shall be packed in bags or bundles each of which shall carry a durable label bearing the information required above Packing: All necessary precautions shall be taken to prevent damage to the product, especially where the delivered surface finish shall be maintained The packing shall be suitable for the type of transportation used The exterior of the packing shall bear the following information: `,,```,,,,````-`-`,,`,,`,`,,` - Not for Resale name and address of recipient; mass; order number and sufficient information to enable the contents to be related to the relevant documentation Shipment: The responsibility for shipping shall be detailed in a transport contract Heat treatment Thermal and/or thermomechanical operations shall be applied to the product as specified in the material standard and are listed in the same order as they are to be applied No product shall be re-solution heat treated more than once without the agreement of the purchaser Abbreviations and symbols used in the material standard are shown in the following table: all other terms are written in full Term Abbreviation/Symbol Term Abbreviation/Symbol temperature θ water quench WQ time t oil quench OQ hour h forced air quench AQ minute air cool AC furnace cool FC AMS 2750 to be used unless otherwise agreed between customer and supplier continued 14 Table — Technical requirements for lines to 29, where appropriate (continued) `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS BS EN 4800-006:2010 EN 4800-006:2010 (E) Frequency of testing Material standard line reference No Requirements Qualification Release − − – – Title 6.1 Heat treatment (concluded) If a specific temperature (value and tolerance) is stated in the material standard or order, that temperature shall be mandatory If a temperature range is stated, a temperature within that range, reduced by the tolerances of the furnace, shall be selected The charge shall be maintained at the temperature selected, subject to the furnace tolerances in the following table, for the period stated in the material standard: Selected temperature °C Tolerance °C θ < 750 ±5 750 < θ < 000 ± 10 When the duration of the heat treatment is stated as a fixed value, the tolerance shall be: ( +20 ) % When the duration of the heat treatment stage is stated as a range, a time within that range shall be selected When the duration is not specified, it shall be at the discretion of the manufacturer Not for Resale 6.2 Delivery condition code See EN 2032-2 Use condition The use condition treatment of the product is stated in the material standard – – Heat treatment If the delivery condition is the use condition, no further heat treatment shall be applied to the product − − If the delivery condition is not the use condition, the product shall be subject to heat treatment(s) in the same order as those specified in the material standard Abbreviations and symbols used in the material standard are shown in the following table: all other terms are written in full Term Abbreviation/Symbol Term Abbreviation/Symbol temperature θ water quench WQ time hour t h minute oil quench forced air quench air cool furnace cool OQ AQ AC FC AMS 2750 to be used unless otherwise agreed between customer and supplier continued 15 `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS BS EN 4800-006:2010 EN 4800-006:2010 (E) Table — Technical requirements for lines to 29, where appropriate (continued) Frequency of testing Material standard line reference No Requirements Qualification Release – – − − Title Heat treatment (concluded) If a specific temperature (value and tolerance) is stated in the material standard or order, that temperature shall be mandatory If a temperature range is stated, a temperature within that range, reduced by the tolerances of the furnace, shall be selected The charge shall be maintained at the temperature selected, subject to the furnace tolerances in the following table, for the period stated in the material standard: Selected temperature °C Tolerance °C θ < 750 ±5 750 < θ < 000 ± 10 When the duration of the heat treatment is stated as a fixed value, the tolerance shall be: ( +20 ) % Not for Resale When the duration of the heat treatment stage is stated as a range, a time within that range shall be selected When the duration is not specified, it shall be at the discretion of the manufacturer 8.1 Test sample(s) This line relates to test samples for the test defined in lines 12 to 26 Test samples shall not be worked after removal from the product they represent The specific test sampling requirements shall be stated on the order, drawing or inspection schedule If any batch release testing or counter release testing of forgings delivered in the use condition is to be carried out by the purchaser, the appropriate test samples shall accompany the delivered forgings unless otherwise agreed between the manufacturer and purchaser If the forgings are to be subject to solution heat treatment and/or artificial ageing after delivery, these shall be accompanied by test samples which represent the heat treatment condition of the delivered forgings Where forgings are supplied in the annealed or solution annealed condition, the accompanying test samples may be supplied in the “as-forged” condition Procedure A (see 6.4) Representative test samples shall be taken from forging stock of the same form, dimensions and cast as that used to make the forgings The tensile test sample(s) shall be 25 mm ≤ a or D ≤ 30 mm and forged from cast or extruded forging stock of a or D > 30 mm using a maximum forge reduction of 4.1 The tensile test samples and the forgings they represent shall be heat treated together Test samples heat treated to the use condition shall not be further mechanically worked Minimum of per cast per heat treatment batch continued 16 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS BS EN 4800-006:2010 EN 4800-006:2010 (E) Table — Technical requirements for lines to 29, where appropriate (continued) Frequency of testing Material standard line reference No Requirements Qualification Release Title 8.1 Test sample(s) (concluded) Procedure B (see 6.4) Heat treatment control tensile test samples shall be prepared from a different cast to, but conforming to the same material standard as that used for the forgings The tensile test sample(s) shall be 25 mm ≤ a or D ≤ 30 mm and forged from cast or extruded Minimum of one per cast per heat treatment batch forgings stock of a or D > 30 mm using a maximum forge reduction of 4.1 The tensile test samples and the forgings they represent shall be heat treated together Test samples heat treated to the use condition shall not be further mechanically worked Procedure C (see 6.4) `,,```,,,,````-`-`,,`,,`,`,,` - One or more test samples shall be forged integrally with each forging The number, location, form and size of the test samples shall be as stated on the order, drawing or inspection schedule Test samples shall not be cut from the forgings before heat treatment unless stated on the order, drawing or inspection schedule that this is permitted If the test samples are removed in this way, they shall be heat treated together will the forgings from which they are cut Integrally forged test samples removed from forgings in the use condition shall not be further mechanically worked Procedure D (see 6.4) Not for Resale 8.2 Test piece(s) The location of the test samples shall be as stated on the drawing or inspection schedule with, if possible, at least one longitudinal sample and at least one transverse sample This line relates to test pieces for the test defines in lines 12 to 26 Minimum of one integral test sample per cast per heat treatment batch unless otherwise stated on the order, drawing or inspection schedule The frequency of forging cut-ups shall be as stated on the drawing or inspection schedule − − Test pieces shall be machined from the test samples taken in accordance with the requirements of line 8.1 of this technical specification Test piece type and dimensions shall be as specified for the appropriate test/line number in the material standard and/or this technical specification and/or test method 8.3 Heat treatment The heat treatment shall be as specified in the material standard If the delivery condition is the use condition, further heat treatment shall not be applied − − Nominal thickness, a, or nominal diameter D, of the product to which the properties, in lines 11 to 26 of the material standard, relate − − Not used for titanium alloys − − Dimensions concerned 10 Thickness of cladding on each face continued 17 `,,```,,,,````-`-`,,`,,`,`,,` - Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy No reproduction or networking permitted without license from IHS BS EN 4800-006:2010 EN 4800-006:2010 (E) Table — Technical requirements for lines to 29, where appropriate (continued) Frequency of testing Material standard line reference No Requirements Qualification Release As specified in the material standard and relates to the direction of the test piece used for tensile and creep testing − − Lines 12 to 16 − − As specified in the material standard and relates to the temperature at which the tensile tests are carried out − − Title 11 Direction of test piece Tensile test θ 12 Temperature 13 Proof stress 14 Strength °C See line 8.1 Rp0,2 MPa Tensile testing shall be carried out in accordance with EN 2002-001 for testing at ambient temperature and EN 2002-002 for testing at elevated temperature EN ISO 6892-1 and prEN ISO 6892-2 are also applicable Rm MPa subject to agreement between customer and supplier on the test method (A or B method ) Not for Resale 15 Elongation A % 16 Reduction of area Z % The tensile test specimen direction and position within the product shall be in accordance with the drawing or inspection schedule 17 Hardness Not normally used for titanium alloys – – 18 Shear strength Not used for this type of product – – 19 Bending Not used for this type of product − − − − Not normally used for titanium alloys − − As specified in the material standard and relates to the temperature at which the creep and/or stress rupture tests are carried out − − Creep parameters Lines 21-26 20 Impact strength 21 Temperature θ 22 Time °C h 23 Stress σa 24 Elongation a % 25 Rupture stress σR MPa 26 Elongation at rupture A % MPa Test in accordance with EN 2002-005 specimen per batch The test piece definition and position within the product shall be agreed between the manufacturer and purchaser The test specimen orientation shall be in accordance with the drawing or schedule continued 18