1、BRITISH STANDARD BS47-1:1991 Fishplates for railway rails Part 1: Specification for rolled steel fishplatesBS47-1:1991 This British Standard, having been prepared under the directionof the Iron and SteelStandards Policy Committee, waspublished underthe authorityof the BoardofBSI andcomes intoeffecto
2、n 28February1991 BSI 04-1999 First published December 1927 Second edition February 1959 Third edition, as Part 1, February 1991 The following BSI references relate to the work on this standard: Committee reference ISM/74 Draft for comment 88/43327 DC ISBN 0 580 18456 0 Committees responsible for thi
3、s British Standard The preparation of this British Standard was entrusted by the Iron and Steel Standards Policy Committee (ISM/-) to Technical Committee ISM/74, upon which the following bodies were represented: British Industrial Fasteners Federation British Railways Board British Steel Industry De
4、partment of Transport (Transport Industries) London Regional Transport Railway Industry Association of Great Britain Coopted members Amendments issued since publication Amd. No. Date CommentsBS47-1:1991 BSI 04-1999 i Contents Page Committees responsible Inside front cover Foreword iii 1 Scope 1 2 Ma
5、nufacture 1 3 Chemical composition 1 4 Dimensions and properties 1 5 Marking 1 6 Tensile properties 2 7 Templates and working gauges 2 8 Freedom from defects 2 9 Finishing 2 10 Tolerances 2 11 Chemical analysis 2 12 Tensile tests 2 13 Manufacturers test and certificate 3 14 Inspection 3 Appendix A B
6、atch inspection procedure 29 Appendix B Holing of rails to BS 11; dimensions of fishbolts and nuts to BS 64 and section properties of fishplates 30 Appendix C Information to be supplied by the purchaser of the fishplates 30 Figure 1 Referee gauge for checking fishplate height (h) 4 Figure 2 Method f
7、or checking longitudinal straightness in a vertical direction 5 Figure 3 Key to Table 3and Table 4 7 Figure 4 Fishplates for flat bottom rail No. 50 “O” 9 Figure 5 Fishplates for flat bottom rail No. 60 A 10 Figure 6 Fishplates for flat bottom rail No. 60 R 11 Figure 7 Fishplates for flat bottom rai
8、l No. 70 A 12 Figure 8 Fishplates for flat bottom rail No. 75 A 13 Figure 9 Fishplates for flat bottom rail No. 75 R 14 Figure 10 Fishplates for flat bottom rail No. 80 A 15 Figure 11 Fishplates for flat bottom rail No. 80 R 16 Figure 12 Angled fishplates for flat bottom rail No. 80 R 17 Figure 13 F
9、ishplates for flat bottom rail No. 80 “O” 18 Figure 14 Fishplates for flat bottom rail No. 90 A 19 Figure 15 Fishplates for flat bottom rail No. 90 R 20 Figure 16 Fishplates for flat bottom rail No. 95 A 21 Figure 17 Fishplates for flat bottom rail No. 95 R 22 Figure 18 Fishplates for bull head rail
10、 No. 95 RBH 23 Figure 19 Skirted fishplates for bull head rail No. 95 RBH 24 Figure 20 Fishplates for flat bottom rail No. 95 N 25 Figure 21 Fishplates for flat bottom rail No. 100 A 26 Figure 22 Fishplates for flat bottom rail No. 100 R 27 Figure 23 Fishplates for flat bottom rail Nos. 110 A and 11
11、3 A 28 Figure 24 Progressive sampling plan Wald method 29 Figure 25 Progressive sampling plan for inspection of resubmitted batches 30BS47-1:1991 ii BSI 04-1999 Page Table 1 Chemical composition 1 Table 2 Dimensional and finished tolerances 6 Table 3 Length and holing of fishplates (imperial dimensi
12、ons) 8 Table 4 Length and holing of fishplates (metric dimensions) 8 Table 5 Areas, calculated masses and properties for rolled fishplate bar and finished fishplates in imperial units 31 Table 6 Areas, calculated masses and properties for rolled fishplate bar and finished fishplates in metric units
13、32 Publication(s) referred to Inside back coverBS47-1:1991 BSI 04-1999 iii Foreword This Part of BS 47 has been prepared under the direction of the Iron and Steel Standards Policy Committee. It supersedes BS47:1959, which is withdrawn. Previous revisions of another standard, BS11, in1978 and1985 inc
14、orporated both bull head and flat bottom railway rails. This Part of BS47 specifies requirements for fishplates, manufactured from rolled steel, to the corresponding rail sections in BS11. It includes, for the first time, fishplates of a fully metric design for the No.113 A rail section. It is inten
15、ded that a further Part of BS47 will be published to cover requirements for fishplates manufactured by casting or forging. Purchasers ordering to this Part of BS47 are advised to specify in their purchasing contract that the supplier operates a quality system complying with BS5750-1, BS5750-2 or BS5
16、750-3 to ensure to their satisfaction that products claimed to comply with BS47-1 consistently achieve the required level of quality. Where practicable, this standard aligns with ISO6305-1: “Rolled steel fishplates”, published by the International Organization for Standardization (ISO). A British St
17、andard does not purport to include all 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 cove
18、r, an inside front cover, pagesi toiv, pages1to32, an inside back cover 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 theinside front cover.iv blankBS47-1:1991 BSI 04-1999 1 1 Scope Thi
19、s Part of BS47 specifies the chemical composition and tensile property requirements for the steel used, and the dimensions and tolerances of rolled steel fishplates intended for use with railway rails of linear mass equal to or greater than24.8kg/m (50 lb/yd). The provisions of this specification ar
20、e not restricted to fishplates for use with rails that comply with BS11 and may be applied to fishplates for any rail section of24.8kg/m(50lb/yd) or greater linear mass. NOTE 1Whilst this standard does not specify requirements for forged or cast fishplates some of its provisions may be applied to su
21、ch products where appropriate. NOTE 2Recommended batch inspection procedures are described in Appendix A. The section properties are given for information in Appendix B. Information to be supplied by the purchaser is given in Appendix C. NOTE 3The titles of the publications referred to in this stand
22、ard are listed on the inside back cover. 2 Manufacture 2.1 Manufacture of steel The source of the steel and the steelmaking process shall be the responsibility of the manufacturer of the fishplates. If requested by the purchaser at the time of enquiry the manufacturer shall describe the source of st
23、eel supply and the steelmaking and casting processes employed. The manufacturer shall not alter these without the agreement of the purchaser. 2.2 Manufacture of fishplates The fishplates shall be manufactured from a hot rolled section, cut to length and holed in accordance with clause9. Sufficient c
24、rop shall be taken to ensure that end defects are removed. The rolling and fishplate finishing processes shall be the responsibility of the manufacturer. If requested by the purchaser at the time of enquiry or order the manufacturer shall describe the rolling and fishplate finishing processes employ
25、ed. The manufacturer shall not alter these without the agreement of the purchaser. 3 Chemical composition When tested in accordance with clause11 the chemical composition of the steel shall comply with the limits given in Table 1. In the event of dispute, analyses shall be carried out by the appropr
26、iate methods described in BS6200 and BSI Handbook No. 19. NOTEThe chemical composition and mechanical property requirements of grade080M40 or grade080M36 of BS970-1:1983 may be specified by the purchaser. 4 Dimensions and properties Dimensions and properties for all fishplates shall be in accordance
27、 with Table 2(seealso Figure 1and Figure 2). In addition, dimensions and properties for all fishplates ordered for use with a BS rail section number shall be in accordance with the values in Table 3and Table 4 (seealso Figure 3) and Figure 4to Figure 23. NOTE 1With the exception of the fishplate for
28、 the113A rail, all fishplates were designed in imperial units. The drawings for these fishplates are therefore shown in imperial units. For the convenience of users some data are also shown in metric units. NOTE 2The section properties are given for information in Appendix B. 5 Marking Brand marks s
29、hall be rolled in relief in such a position, clear of the bearing of the fishbolt head and nut, that the following information can be seen when the fishplate is fixed in position: a) the identity of the rail section to which the fishplate belongs; b) the identification mark of the manufacturer; c) t
30、he last two figures of the year of manufacture. Each element of the brand mark shall be separated by a hyphen of minimum length0.7times the height of the brand letters and numbers. Example BS 95 RX hot punching; machining. All necessary precautions shall be taken to ensure that the fishing surfaces
31、are not significantly deformed or the steel impaired. The dimensions of the hole shall remain within the tolerances given in Table 2. Burrs resulting from these operations shall be removed. 10 Tolerances The tolerances of rolled bar and finished fishplate shall comply with Table 2. 11 Chemical analy
32、sis 11.1 Ladle analysis The chemical composition of each cast of steel shall be determined by representative ladle analysis and shall comply with the requirements of clause3. If the result of the ladle analysis does not comply, all fishplates from that cast or part cast shall be deemed not to comply
33、 with this standard, subject to the provisions of11.2. NOTEDetermination may be made chemically, spectrographically or by other accepted modern instrumental methods. 11.2 Product analysis Should the result of the ladle analysis fail to comply with the requirements of clause3, or should the purchaser
34、 require it (seeitem d) of Appendix C) the manufacturer shall make tests on two separate product samples from the cast or part cast. If the results of these tests comply with the product analysis requirements in clause3 the cast or part cast shall be accepted. If one or both of the test pieces fail,
35、 the cast or part cast shall be rejected. 12 Tensile tests 12.1 Method of test The manufacturer shall determine the tensile properties of the steel in accordance with BS18using a standard circular cross section tensile test piece. 12.2 Number of tests One tensile test shall be carried out on each ty
36、pe of fishplate per cast for casts of50tonnes or less. For larger casts, one test shall be carried out for each additional50tonnes or part thereof. Tensile strength Minimum elongation (Gauge length 5.65S 0 ) N/mm 2 % 600 50 18BS47-1:1991 BSI 04-1999 3 12.3 Test pieces The test pieces shall be cut wi
37、th longitudinal axes in the rolling direction and taken in the area adjacent to one of the fishing surfaces without, however, touching it. Cutting and finishing shall be carried out entirely in the cold state, by means of machine tools and without any hammering, cold deformation, hardening or anneal
38、ing (seeBS18). 12.4 Retests If the sample part selected for the test, from the batch corresponding to a cast or part cast, does not satisfy the conditions laid down, two retests from the same batch shall be carried out. If one or both of the retests is not satisfactory the corresponding batch does n
39、ot comply with this standard. NOTENon-complying batches may be subjected to rectification operations and further testing only after receipt of the purchasers approval. 13 Manufacturers tests and certificate The manufacturer shall be responsible for the supply, preparation and testing of test pieces.
40、 The manufacturer shall supply the purchaser with certificates showing the source and method of steelmaking/casting used and the results of the mechanical and chemical tests. 14 Inspection The manufacturer shall inspect all batches of fishplates and ensure that they comply with this Part of BS47. Al
41、l non-conforming batches shall be clearly marked. NOTE 1Recommended inspection procedures are described in Appendix A. The inspection or quality assurance system to be applied shall be defined at the time of enquiry or order (see item e) of Appendix C) and shall be based on one of the following. a)
42、The purchaser shall require the manufacturer to take responsibility for quality assurance based on a procedure in compliance with BS5750. b) Alternatively, the purchaser shall be advised in advance by the manufacturer of the dates of rolling, of sample selection and of mechanical testing of the test
43、 pieces to enable the purchaser to witness these procedures. The purchaser shall also be advised by the manufacturer of the availability of the finished product for inspection. The purchaser shall have access during working hours to observe the manufacturing process and to inspect the finished product. NOTE 2Any batches which do not comply should be sorted before submission for the purchasers inspection.
