1、AECMA STANDARD prEN 4800-5 NORME AECMA Edition P 1 AECMA NORM September 2002 klb Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 81 10 - Fax. + 32 2 775 81 11 - www.aecma-stan.org PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION I I Copyright 2002 O by AECMA-STA ICs:
2、 Descriptors: ENGLISH VERSION Aerospace series Titanium and titanium alloys Technical specification Part 5: Forging stock Srie arospatiale Luft- und Raumfahrt Titane et alliages de titane Partie 5: Produits destins a la forge Titan und Titanlegierungen Kneterzeugmse Teil 5: Schmiedevormaterial Spcif
3、ication technique Technische Lieferbedingungen This “Aerospace Series Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has bee
4、n technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standa
5、rd. Affer examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota -Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISS
6、Y-LES-MOULINEAUX CEDEX I l I Edition approved for publication I Comments should be sent within six months after the date of Dublication to 30 September 2002 AECMA-STAN Gulledelle 94 B-I 200 BRUXELLES Material Domain Page 2 prEN 4800-5: 2002 Contents Page 3 Introduction . . Scope . . . 3 . 3 4 Wordin
7、g of order . 4 Normative referen . Health and safety . . Technical requirements Page 3 prEN 4800-5: 2002 O 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. I Scope This stan
8、dard defines the requirements for the ordering, manufacture, testing, inspection and delivery of titanium and titanium alloy forging stock. 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. 2
9、 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 revision
10、s 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 2000 EN 2002-1 EN 2002-2 EN 2002-5 EN 2002-8 EN 2003-9 EN 2032-1 EN 2032-2 EN 2078 EN 2954-2 EN 2
11、955 EN 2957 EN 3042 EN 3114-1 EN 31 14-2 Aerospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturers Aerospace series - Test methods for metallic materials - Part 1 : Tensile testing at ambient temperature 1) Aerospace series - Test methods for meta
12、llic materials - Part 2: Tensile testing at elevated temperature 1) Aerospace series - Test methods for metallic materials - Part 5: Uninterrupted creep and stress-rupture testing 1) Aerospace series - Metallic materials - Test methods - Part 8: Micrographic determination of grain size 1) Aerospace
13、series - Test methods - Titanium and titanium alloys - Part 9: Determination of surface contamination 1) Aerospace series - Metallic materials - Part 1 : Conventional designation Aerospace series - Metallic materials - Part 2: Coding of metallurgical condition in delivery condi ti on Aerospace serie
14、s - Metallic materials - Manufacturing schedule, inspection schedule, inspection and test report - Definition, general principles, preparation and approval Macrostructure of titanium and titanium alloy wrought products - Part 2: Macrostructure of bar, section, forging stock and forgings 2) Aerospace
15、 series - Recycling of titanium and titanium alloy scrap Aerospace series - Method of preparation of forged samples 1) Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Test method - Microstructure of (a + ) titanium alloy wrought products - Pa
16、rt 1 : General requirements 1) Aerospace series - Test method - Microstructure of (a + ) titanium alloy wrought products - Part 2: Microstructure of bars, sections, forging stock and forgings 1) Page 4 prEN 4800-5: 2002 EN 3683 EN 3684 EN 3874 EN 3976 EN 3987 EN 3988 EN 4050-1 EN 4050-4 EN 4258 EN 4
17、259 EN 4268 TR 2410 Aerospace series - Test methods - Titanium alloy wrought products - Determination of primary o! content - Point count method and line intercept method 1) Aerospace series - Test methods - Titanium alloy wrought products - Determination of transus temperature - Metallographic meth
18、od 1) Aerospace series - Test methods for metallic materials - Constant amplitude force- controlled low cycle fatigue testing 1) Aerospace series - Titanium and titanium alloys -Test method - Chemical analysis for the determination of hydrogen content 1) Aerospace series - Test method for axial cons
19、tant amplitude force controlled high cycle fatigue testing 2) Aerospace series - Test methods for metallic materials - Constant amplitude strain- controlled low cycle fatigue testing 1) Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and f
20、orgings - Part 1 : General requirements 1) Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4: Acceptance criteria 1) Aerospace series - Metallic materials - General organization of standardization - Links between types
21、of EN standards and their use Aerospace series - Metallic materials - Definition of general terms 1) Aerospace series - Metallic materials - Heat treatment facilities - General requirements 2) Aerospace series - Metallic materials - Relationship between dimensional standards and material standards 3
22、) 3 Defini tio ns General definition, see EN 4259. 4 Wording of order The order shall clearly indicate: - quantities to be supplied; - dates of delivery; - material standard number; - delivery condition and metallurgical code of products; - dimensions and tolerances or reference to an appropriate di
23、mensional 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. 1) Published as AECMA Prestandard at the date of publication of this standard 2) In pre
24、paration at the date of publication of this standard 3) Published as AECMA Technical Report at the date of publication of this standard Page 5 prEN 4800-5: 2002 5 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
25、 is to be delivered. A product safety data sheet shall be available. 6 Technical requirements 6.1 General The product shall be manufactured in accordance with the requirements of the relevant material standard and the applicable requirements of this specification. A manufacturing schedule shall be e
26、stablished and applied in accordance with EN 2078. Product shall satisfy the requirements of the material standard and/or order and shall be free from irregularities prejudicial to the subsequent manufacture or use of this product. Not withstanding previous acceptance complying with this material st
27、andard, any product that is found, at a later stage, to contain such defects shall be rejected. Unless otherwise specified, the requirements in tables 1 and 2 shall apply in conjunction with those of the relevant material standard. Table 1 relates to lines I to 29 (inclusive) of the material standar
28、d and table 2 relates to lines 30 onwards in which the sub-line format is also used. Lines 2 to 98 may also be opened in line 100 if the material standard details specific qualification requirements. If a specific line number is not shown in tables 1 and 2, the requirement is stated in the material
29、standard and/or order. The requirements of the order and/or material standard shall over-ride the requirements of the technical specification. 6.2 Qualification requirements Qualification requirements when invoked by the material standard andlor order are detailed in tables I and 2. Unless otherwise
30、 agreed between the manufacturer and purchaser the qualification phase shall be run on the first 3 batches. 6.3 Release requirements 6.3.1 Release tests Release testing shall be the responsibility of the manufacturer. The purchaser reserves the right to perform any of the inspections and/or tests re
31、quired by the material standard and/or order. The test samples shall be representative of the product. When required the manufacturer shall inform the purchaser of the planned dates for extraction of samples and release testing in order that these operations may be witnessed. Tables 1 and 2 detail t
32、he requirements for each line of the material standard. Unless otherwise specifically requested by the purchaser, a particular inspection and/or test for release shall be carried out if corresponding acceptance criteria and/or values are stated in the applicable material standard, but see also secti
33、on 6.3.5 “Capability clause“. Page 6 prEN 4800-5: 2002 6.3.2 Retests If the test procedure or test piece preparation is faulty, testing shall be re-applied at the original frequency after rectification of the original cause of failure. When failure cannot be attributed to faulty testing, or test pie
34、ce preparation, further test samples shall be selected at twice the original frequency from the product, one of which shall be that on which the original results were obtained unless already withdrawn by the manufacturer after suitable identification of the cause of failure. If all retest results ar
35、e satisfactory, the batch shall be accepted. If one or more tests are unsatisfactory, the batch shall be: - rejected, or - 1 O0 % retested and the conforming products accepted, or - partially or fully re-heat treated if heat treatment can rectify the cause of the failure and tested as a completely n
36、ew batch except for chemical composition, for which redetermination of hydrogen content is required. No product or test sample shall be re-heat treated more than twice, or - cut back and 100% retested. 6.3.3 Rejection Any failure to meet the requirements of the material standard shall be cause for r
37、ejection. 6.3.4 Special tests Special tests may be required by the purchaser. In such cases, the nature of the test, method, frequency and technical requirements shall be specified on the order or inspection schedule and shall be mutually agreed by the manufacturer and purchaser. 6.3.5 Capability cl
38、ause Where capability clause is invoked and where sufficient statistical evidence exists, the test need not be carried out (unless specifically requested by the purchaser). However, this in no way reduces the obligations of the manufacturer to fulfil the requirements. If subsequent testing indicates
39、 that the product does not comply with the requirements, the batch shall be rejected. If sufficient statistical evidence does not exist, the test shall be carried out at a frequency agreed between the manufacturer and the purchaser. 6.3.6 Statistical process control Reduction in the extent of releas
40、e testing, other than that defined in 6.3.5 above, may be negotiated with the purchaser on the basis of appropriate statistical process control and/or statistical data. 6.3.7 Inspection and test report The manufacturer shall furnish, with each delivery, a report conforming to the requirements of EN
41、2078 stating the following: - manufacturers name and address and, if appropriate, identification of the plant; - order number; - material standard number; - delivery condition and metallurgical code of the product; - quantity and dimensions; - manufacturing and inspection schedule reference; - cast
42、and batch number; - batch and/or test samples heat treatment condition; - results of the tests and retests if any. 6.4 Traceability Each product shall be traceable to the cast, production batch and/or heat treatment batch at all stages of manufacture, testing and delivery. Page 7 prEN 4800-5: 2002 a
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