BS-B-24-1991.pdf
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1、BRITISH STANDARD BS B 24:1991 Specification for Copper-tin-phosphorous alloy rods and sections Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:04:48 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS B 24:1991 This British Standard, having been prepared under the
2、direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 31 October 1991 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/16 Draft for comment 90/73965 DC ISBN 0 580 1
3、9994 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/16, upon which the following bodies were represented: British Non-ferrous Metals Federation Copper Development
4、 Association Ministry of Defence Society of British Aerospace Companies Ltd. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:04:48 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS B 24:1991 BSI 01-2000i Co
5、ntents Page Committees responsibleInside front cover Forewordii 1Scope1 2References1 3Technical requirements1 Table 1 Technical requirements for phosphor bronze rods and sections2 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:04:48 GMT+00:00 2006, Uncontrol
6、led Copy, (c) BSI BS B 24:1991 ii BSI 01-2000 Foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is a conversion and revision of MoD (PE) Specification DTD 265A, which it supersedes. A British Standard does not purport to include all
7、the necessary provisions of a contract. Users 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 i
8、i, pages 1 and 2 and a back cover. This standard 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. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:04:48 GMT
9、+00:00 2006, Uncontrolled Copy, (c) BSI BS B 24:1991 BSI 01-20001 1 Scope This British Standard specifies the inspection and testing procedure, chemical composition, heat treatment and mechanical properties for a copper-tin-phosphorous alloy supplied in the form of rods (including hollow rods) and s
10、ections. 2 References This standard makes reference to the following standards publications: BS B 100, Procedure for inspection, testing and acceptance of wrought copper alloys1). BS 2874, Specification for copper and copper alloy rods and sections (other than forging stock). BS 5555, Specification
11、for SI units and recommendations for the use of their multiples and of certain other units. BS 5775, Specification for quantities, units and symbols Part 0 General principles. BS EN 2500, Instructions for the drafting and use of metallic material standards Part 1 General requirements1). 3 Technical
12、requirements 3.1 Material to this standard shall comply with the technical requirements specified in Table 1. All material supplied shall comply with the requirements appropriate to its dimensions and condition as specified in the standards given in line 5 of Table 1. 3.2 Symbols and units in Table
13、1 shall be interpreted in accordance with BS 5555, BS 5775-0 or BS EN 2500-1. 1) In preparation. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:04:48 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS B 24:1991 2 BSI 01-2000 Table 1 Technical requirements for pho
14、sphor bronze rods and sections 1Material designationCuSn8 2Chemical composition % ElementSnPPbFeNiZnTotal impurities Cu min.7.50.1Base max.9.00.40.050.10.30.300.3(1) 3Method of melting 4Form Method of production Limit dimensions (mm) Rods, and sections Rolled, extruded or drawn 6 k (a or D) k 80 55.
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