《BS-HR-55-1980.pdf》由会员分享，可在线阅读，更多相关《BS-HR-55-1980.pdf（8页珍藏版）》请在三一文库上搜索。
1、BRITISH STANDARD AEROSPACE SERIES BS HR 55:1980 (Superseding BS HR 11) Specification for Nickel-iron-chromium- molybdenum- aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3.3, Al 1.2, Ti 1.2, Fe remainder) UDC 629.7:669.2451262871295 412:669.018.4 L
2、icensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS HR 55:1980 This British Standard, having been prepared under the direction of the Aerospace Standards Committee, was published under the authority of the Execut
3、ive Board and comes into effect on 29 August 1980 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/48 Draft for comment 79/77346 DC ISBN 0 580 11559 3 A British Standard does not purport to include all the necessary provisions of a contract. Users
4、 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, pages 1 and 2 and a back cover. This stand
5、ard 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. Amendments issued since publication Amd. No.Date of issueComments Licensed Copy: London South Bank University, London South Bank University, Sa
6、t Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS HR 55:1980 BSI 01-2000i Contents Page 1Inspection and testing procedure1 2Manufacture1 3Chemical composition1 4Condition1 5Heat treatment1 6Mechanical properties1 Licensed Copy: London South Bank University, London South Bank University
7、, Sat Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS HR 55:1980 BSI 01-20001 NOTEOther forms of this alloy are covered by BS HR 207 Nickel
8、-iron-chromium-molybdenum-aluminium- titanium heat-resisting alloy plate, sheet and strip. 1 Inspection and testing procedure This British Standard shall be used in conjunction with the relevant sections of the latest issue of BS HR 100 as follows: 2 Manufacture The material shall be manufactured by
9、 one of the following processes. a) air melting and vacuum refining; b) air melting and consumable electrode vacuum arc remelting; c) air melting, vacuum refining and consumable electrode remelting; d) vacuum melting and consumable electrode remelting. 3 Chemical composition The alloy shall contain:
10、 4 Condition Unless otherwise agreed, the material shall be supplied in the appropriate condition stated below: 5 Heat treatment 5.1 Softening treatment. The softening treatment shall consist of heating at a temperature of 1 040 C for 2 h, followed by quenching in water. 5.2 Solution treatment. The
11、solution treatment shall consist of heating at a temperature of 1 040 C for 2 h, followed by cooling in air or quenching in oil. 5.3 Final heat treatment. The final heat treatment shall consist of the following. a) Solution treatment in accordance with 5.2. b) Precipitation treatment as follows. 1)
12、Stage 1. Heat at a temperature of 800 C for 2 h, followed by cooling in air. 2) Stage 2. Heat at a temperature of 700 C for 16 h, followed by cooling in air. 6 Mechanical properties 6.1 Mechanical tests. The mechanical properties obtained from test pieces, selected, prepared and tested in accordance
13、 with the relevant requirements of BS HR 100, shall be as follows. 6.1.1 Tensile test at 600 C Bars for machining and sections sections 1 and 2 Forging stock and billets and bars for subsequent working sections 1 and 3 Forgingssections 1 and 4 Parts finally heat treated after machining sections 1 an
14、d 8 Element % min.max. Carbon Silicon Manganese Sulphur Silver 0.04 0.08 0.5 0.2 0.015 0.0005 (5 p.p.m.) Aluminium Boron Bismuth 1.1 1.3 0.0050 0.0001 (1 p.p.m.) Cobalt Chromium Copper Molybdenum Nickel + cobalt Lead 15.5 2.8 42 2.0 17.5 0.5 3.8 45 0.0015 (15 p.p.m.) Titanium Zirconium 1.1 0.01 1.3
15、0.04 IronRemainder MaterialCondition of supply Bars and extruded sections for machiningSolution treated Extruded sections for subsequent formingSoftened Billets and bars for forgings Hot or cold worked and subsequently machined or ground. Material of other than round section may be supplied in the d
16、escaled condition. ForgingsFinally heat treated Finished partsFinally heat treated 0.2 % proof stressTensile strengthElongation min. min.min. MPaMPa% 41574015 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS
17、HR 55:1980 2 BSI 01-2000 6.1.2 Creep test Temperature Stress Maximum total plastic strain in 100 h CMPa% 6004000.10 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: London South Bank Univers
18、ity, London South Bank University, Sat Dec 09 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS HR 55:1980 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on stan
19、dards 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 BSI to improve the quality
20、 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 9000. Fax: 020 8996 7400.
21、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 Services. Tel: 020 8996 9001. Fax
22、: 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 national, European and intern
23、ational 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. Subscribing members of BSI ar
24、e 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 publications. BSI also holds
25、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, photocopying, recording o
26、r 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 implementation then the prior
27、 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 02:55:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI