《BS-TA-43-1972.pdf》由会员分享，可在线阅读，更多相关《BS-TA-43-1972.pdf（6页珍藏版）》请在三一文库上搜索。
1、BRITISH STANDARD AEROSPACE SERIES OBSOLESCENT FEBRUARY 1999 BS TA 43:1972 Incorporating Amendment Nos. 1 and 2 Specification for Forging stock of titanium-aluminium- zirconium- molybdenum-silicon alloy (Tensile strength 9901140 N/mm2) (Limiting ruling section 65 mm) UDC 629.7:669.295.57129628782.002
2、.62:621.73 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:02:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS TA 43:1972 This British Standard, having been approved by the Aerospace Industry Standards Committee, was published under the authority of the Execu
3、tive Board of the Institution on 14 June 1972 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference ACE/49 Draft for comment 71/31360 ISBN 0 580 07113 8 A British Standard does not purport to include all the necessary provisions of a contract. Users of Bri
4、tish 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, page 1 and a back cover. This standard has been u
5、pdated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.Date of issueComments 1623November 1974 3424December 1980 Indicated by a sideline in the margin Licensed Copy: Lo
6、ndon South Bank University, London South Bank University, Sat Dec 09 03:02:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS TA 43:1972 BSI 02-2000i Contents Page 1Inspection and testing procedure1 2Manufacture1 3Chemical composition1 4Condition1 5Heat treatment1 6Mechanical properties1 Licensed Copy
7、: London South Bank University, London South Bank University, Sat Dec 09 03:02:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:02:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS TA 43:1972 BSI 02-20001 N
8、OTEForgings of this composition and strength are covered by BS TA 44. 1 Inspection and testing procedure This British Standard shall be used in conjunction with Sections 1 and 3 of BS TA 100. 2 Manufacture The material shall be made from ingots produced, by consumable electrode melting, from materia
9、ls having a total carbon content of not more than 0.08 %. 3 Chemical composition The chemical composition of the material shall be: 4 Condition 4.1 The material shall be supplied as-forged, hot rolled or extruded, and may be stress relieved at the discretion of the manufacturer. NOTEStress relieving
10、 is achieved by heating the material uniformly for not more than 3 h at a temperature between 950 C and 1 000 C. 4.2 Unless otherwise stated on the order or Inspection Schedule, the material shall be supplied in the centreless ground or machined condition. 5 Heat treatment Test samples taken from th
11、e material shall be heat treated as follows: 1) heat at a temperature of 1 050 10 C and hold for 30 min per 25 mm of section, with minimum of 30 min; 2) quench in oil; 3) heat at a temperature of 550 5 C and hold for 24 h; 4) cool in air. 6 Mechanical properties 6.1 The mechanical properties obtaine
12、d from test pieces selected, prepared and tested in accordance with the relevant requirements of BS TA 100 shall be as follows. 6.1.1 Tensile test at room temperature 6.1.2 Tensile test at 520 C 6.1.3 Creep test. Maximum total plastic strain in 100 h under a load of 300 N/mm2 at 520 C: 0.10 %. NOTE1
13、 N/mm2= 1 MN/m2= 0.102 kgf/mm2= 0.1 hbar = 0.065 tonf/in2. Information on SI units is given in BS 3763, “The International System of units (SI)”, and BS 350, “Conversion factors and tables”. Element % min.max. Aluminium Zirconium Molybdenum Silicon Iron Hydrogen Oxygen Nitrogen Titanium 5.7 4.5 0.25
14、 0.10 6.3 6.0 0.75 0.40 0.20 0.006 0.19 0.05 Remainder 0.2 % proof stress Tensile strengthElongation Reduction of area min.min.max.min.min. N/mm2N/mm2N/mm2% 8509901 140615 0.2 % proof stress Tensile strengthElongation Reduction of area min.min.max.min.min. N/mm2N/mm2N/mm2% 480620780920 Licensed Copy
15、: London South Bank University, London South Bank University, Sat Dec 09 03:02:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS TA 43:1972 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It p
16、resents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of
17、 BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996
18、 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Servic
19、es. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on na
20、tional, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Su
21、bscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI pu
22、blications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic
23、, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than im
24、plementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:02:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI