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    BS S 534-1969 Specification for chromium-molybdenum steel sheet and strip 880 1080 MPa suitable for welding《880 1080 MPa适合于焊接的铬-钼钢薄板材和带材规范》.pdf

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    BS S 534-1969 Specification for chromium-molybdenum steel sheet and strip 880 1080 MPa suitable for welding《880 1080 MPa适合于焊接的铬-钼钢薄板材和带材规范》.pdf

    1、BRITISH STANDARD AEROSPACE SERIES BS S 534:1969 (Superseding BS S 518) Incorporating Amendment No. 1 Specification for chromium-molybdenum steel sheet and strip (880/1 080 MPa) (suitable for welding) UDC 629.7:669.152628 194 41 BS S 534:1969 This British Standard, having been approved by the Aerospa

    2、ce Industry Standards Committee was published under the authority of the Executive Board of the Institution on 30 May 1969 BSI 27 May 2003 The following BSI references relate to the work on this standard: Committee reference ACE/15 Draft for comment 67/13801 ISBN 0 580 05409 8 Amendments issued sinc

    3、e publication Amd. No. Date Comments 14146 27 May 2003 Indicated by a sidelineBS S 534:1969 BSI 27 May 2003 i Contents Page Foreword ii 1 Inspection and testing procedure 1 2 Process of manufacture 1 3 Chemical composition 1 4 Surface dressing 1 5 Condition 1 6 Final heat treatment 2 7 Decarburizati

    4、on 2 8 Mechanical properties 2BS S 534:1969 ii BSI 27 May 2003 Foreword This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligat

    5、ions. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Sidelining in this document indicates the most r

    6、ecent changes by amendment.BS S 534:1969 BSI 27 May 2003 1 NOTE 1 The specified chemical composition, heat treatment and tensile properties comply with A.I.C.M.A. Recommendation FE. PL 43S (for material heat treated to a tensile strength of 90/110 kgf/mm 2 ). NOTE 2 Sheet and strip of the same compo

    7、sition at a higher strength level are covered by the latest edition of BS S 535. 1 Inspection and testing procedure 1.1 This British Standard shall be used in conjunction with the relevant sections of the latest edition ofBSS500. 1.2 The thickness of the material shall be in accordance with the late

    8、st edition of BS S 500. Material which has been finally hot rolled prior to softening or hardening and tempering shall satisfy the tolerances applicable to hot-rolled sheet and strip. Material which has been finally cold rolled prior to softening or hardening and tempering shall satisfy the toleranc

    9、es applicable to cold-rolled sheet and strip. 1.3 Sulphur printing or deep etching tests. Samples shall be selected in accordance with the latest edition of BS S 500. 2 Process of manufacture The material shall be manufactured by an electric process unless otherwise agreed between the manufacturer a

    10、nd the purchaser in accordance with the latest edition of BS S 500. 3 Chemical composition The steel shall contain: 4 Surface dressing The material shall be overall dressed in accordance with the requirements of the latest edition of BS S 500. 5 Condition 5.1 The material shall be supplied in one of

    11、 the following conditions after hot or cold rolling: 1) Softened. 2) Hardened and tempered. 5.2 The condition required shall be stated on the order. Unless otherwise agreed the method of rolling shall be at the option of the manufacturer but shall be stated in the release note. 5.3 Finished parts sh

    12、all be supplied finally heat treated. Element % min. max. Carbon 0.22 0.29 Silicon 0.15 0.35 Manganese 0.50 0.80 Phosphorus 0.020 Sulphur 0.015 Chromium 0.90 1.20 Molybdenum 0.15 0.25 Nickel 0.30BS S 534:1969 2 BSI 27 May 2003 6 Final heat treatment The final heat treatment shall be: 1) Harden in oi

    13、l or water from a temperature of 870 10 C. 2) Temper at a temperature of not less than 520 C. 7 Decarburization The decarburization determined in accordance with the latest edition of BS S 500, shall be not more than 0.04 mm (0.0015 in.) 8 Mechanical properties 8.1 The mechanical properties obtained

    14、 from test pieces selected and prepared in accordance with the relevant requirements of the latest edition of BS S 500 shall comply with the following: 8.1.1 Tests in the softened condition 1) Hardness. The hardness of the material shall be not more than 174 HB or 185 HV. 2) Single bend test. The te

    15、st piece shall be bent without cracking through an angle of 180 over a former with a radius equal to half the nominal thickness of the sheet or strip. 8.1.2 Tests in the hardened and tempered condition 1) Tensile test. 2) Hardness test for finally heat treated parts. The hardness of the material sha

    16、ll be: 255 min/321 max HB; or 270 min/340 max HV. 0.2 % proof stress Tensile strength Elongation on thickness Less than 1.5 mm 1.5 to 3.0 mm Over 3.0 mm MPa MPa % % % min. min. max. min. min. min. 690 880 1 080 8 9 10blankBS S 534:1969 BSI 389 Chiswick High Road London W4 4AL BSI British Standards I

    17、nstitution BSI is the independent national body responsible for preparing British Standards. It presents 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 Standard

    18、s should make sure that they possess the latest amendments or editions. It is the constant aim of 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 c

    19、ommittee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standard

    20、s Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standar

    21、ds, 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 international standards through its Library and its Technical Help to

    22、Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards de

    23、velopments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British

    24、Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as p

    25、ermitted 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 or otherwise without prior written permission from BSI. This does not preclude the free use, in the cou

    26、rse 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 written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.


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