AECMA PREN 4800-5-2001 Aerospace Series Titanium and Titanium Alloys Technical Specification Part 5 Forging Stock Edition P1《航空航天系列.钛和钛合金 技术规范.第5部分 锻坯.P1版》.pdf

1、Draft for Public Comment Form 36 Version 6.0 I DPC: 01/716043 I Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 www. bsi- Date: 3 Decem ber 2001 Origin: European Latest date for receipt of comments: 31.03.2002 Responsible committee: Project no.

2、: 2001 /O2627 ACE/61 Inspection And Testing Requirements For Aerospace Metallic Materials Interested committees: ACE/49 Title: Draft EN 4800-5 Aerospace series - Titanium and Titanium alloys - Technical specification Part 5: Forging stock Supersession information: If you are aware of a current natio

3、nal standard which may be affected, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31.03.2002. This draft is issued to allow comments from interested parties; all comments will be

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6、oreign standards are also available from BSI Customer Services. British Standards on CD or Online are available from British Standards Publishing Sales Limited. Tel: O1 344 404409 or email -, Information on the Co-operating organizations represented on the committees referenced above may be obtained

7、 from the responsible committee secretary. Cross- referen ces The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site . Responsible Committee Secretary: Mr P Rydon (BSI) Direct te

8、l: 020 8996 7266 E-mail: paul. rydonbsi-global .com a Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Introduction This draft standard is based on Euro

9、pean discussions in which the UK took an active part. Your comments on this draft are welcome and will assist in the preparation of the consequent British Standard. If no comments are received to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is par

10、ticularly welcome on national, legislative or similar deviations that may be necessary. Draft no: Even if this draft standard is not approved by the UK, if it receives the necessary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standar

11、d and to withdraw any conflicting standard. Project no.: 1998/XXXXX DPC no.: 98/XXXXXX UK Vote 3.1 6.4 Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Ist definition Editorial Definition is ambiguous and needs clarifying. The use of

12、 the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Amend to read . so that the mains connector to which no connection . Delete reference to UV photometer. 2nd paragraph Technical Submission The guidance given below is intended to

13、ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover.

14、Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for WindowsTM, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these format requirements. Comments should be submitted wherever possibl

15、e as presented in the example table below. A blank electronic version of this table is available from the Committee Secretary or it can be downloaded from the BSI web site at: http:iiww. bsi-global .corn/Stai76ar+ - dates of delivery; - material standard number; - delivery condition and metallurgica

16、l 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. 1) Pub

17、lished as AECMA Prestandard at the date of publication of this standard 2) In preparation at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitte

18、d without license from IHS-,-,-Page 5 prEN 4800-5: 2001 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 is to be delivered. A product safety data sheet shall be available. 6 Technical requirements 6.1 Ge ne r

19、a I 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 established and applied in accordance with EN 2078. Product shall satisfy the requirements of the mater

20、ial standard and/or order and shall be free from irregularities prejudiciable to the subsequent manufacture or use of this product. Not with standing previous acceptance complying with this material standard, any product that is found, at a later stage, to contain such defects shall be rejected. Unl

21、ess 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 1 to 29 (inclusive) of the material standard and table 2 relates to lines 30 onwards in which the sub-line format is also used. Lines 2 to 98

22、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 standard and/or order. The requirements of the order and/or material standard shall over-ride the r

23、equirements of the technical specif ication. 6.2 Qualification requirements Qualification requirements when invoked by the material standard and/or order are detailed in tables 1 and 2. Unless otherwise agreed between the manufacturer and purchaser the qualification phase shall be run on the first 3

24、 batches. 6.3 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 required by the material standard and/or order. The test samples shall be representative of the product. When required th

25、e manufacturer shall inform the purchaser of the planned dates for extraction of samples and release testing in order that these operations may be witnessed. Re lease req u i re men ts Tables 1 and 2 detail the requirements for each line of the material standard. Unless otherwise specifically reques

26、ted 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 section 6.2.4 “Capability clause“. 6.3.2 Retests If the test procedure or test piece preparation

27、is faulty, testing shall be re-applied at the original frequency after rectification of the original cause of failure. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without licen

28、se from IHS-,-,-Page 6 prEN 4800-5: 2001 When failure cannot be attributed to faulty testing, or test piece 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 with

29、drawn by the manufacturer after suitable identification of the cause of failure. If all retest results are satisfactory, the batch shall be accepted. If one or more tests are unsatisfactory, the batch shall be: - rejected, or - 100 % retested and the conforming products accepted, or - partially or f

30、ully re-heat treated if heat treatment can rectify the cause of the failure and tested as a completely new 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. 6.3.3 Rejection Any failure

31、 to meet the requirements of the material standard shall be cause for rejection. 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

32、 mutually agreed by the manufacturer and purchaser. 6.3.5 Capability clause Where capability clause is invoked and where sufficient statistical evidence exists, the test shall not be carried out (unless specifically requested by the purchaser). However, this in no way reduces the obligations of the

33、manufacturer to fulfil the requirements. If subsequent testing indicates 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 purcha

34、ser. 6.3.6 Statistical process control Reduction in the extent of release testing, other than that defined in 6.2.4 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 fur

35、nish, with each delivery, a report conforming to the requirements of EN 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 an

36、d dimensions; - manufacturing and inspection schedule reference; - cast 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

37、 stages of manufacture, testing and delivery. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-cn) z 2 o, 3 2 5 O Q e. 3 CQ v) S x 2 2. v: o, m CQ v) s

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