1、Designation: B66 06 (Reapproved 2013)1B66 15Standard Specification forBronze Castings for Steam Locomotive Wearing Parts1This standard is issued under the fixed designation B66; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the y
2、ear of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1 NOTEDesignation was corrected from dual
3、 designation B66/B66M and units statement was removed editoriallyin November 2013.1. Scope Scope*1.1 This specification establishes requirements for bronze castings for steam locomotive wearing parts. The following CopperAlloy UNS Nos. are specified: C93200, C93400, C93600, C93700, C93800, C94300, C
4、94400, C94500, and C95400.2NOTE 1Historically, the alloys in this specification have been used in the applications listed in the Appendix. Actual practice may vary according tolocomotive type and service.1.2 This standard does not purport to address all of the safety concerns, if any, associated wit
5、h its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:3The following documents in the current issue of the Book of Standards
6、form a part of this specification to the extent referencedherein:B824 Specification for General Requirements for Copper Alloy CastingsB846 Terminology for Copper and Copper AlloysE255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical CompositionE527 Practice for Number
7、ing Metals and Alloys in the Unified Numbering System (UNS)2.2 AAR Standards:4M-503 Bronze Bearings for Locomotives3. Terminology3.1 For definitions of terms related to copper alloys, refer to Terminology B846.4. General Requirements4.1 The following sections of Specification B824 form a part of thi
8、s specification. In the event of a conflict between thisspecification and Specification B824, the requirements of this specification shall take precedence.4.1.1 Terminology (Section 3),4.1.2 Other Requirements (Section 7),4.1.3 Dimensions, Mass, and Permissible Variations (Section 8),4.1.4 Workmansh
9、ip, Finish, and Appearance (Section 9),4.1.5 Sampling (Section 10),4.1.6 Number of Tests and Retests (Section 11),1 This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on Castingsand Ingots for Remelti
10、ng.Current edition approved Oct. 1, 2013Oct. 1, 2015. Published November 2013October 2015. Originally approved in 1936. Last previous edition approved in 20062013as B66/B66M 06B66 06 (2013)1. DOI: 10.1520/B0066-06R13E01.10.1520/B0066-15.2 The UNS system for copper and copper alloys (see Practice E52
11、7) is a simple expansion of the former standard designation system accomplished by the addition of aprefix “C” and a suffix “00”. The suffix can be used to accommodate composition variations of the base alloy.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Custome
12、r Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4 Available from Association of American Railroads (AAR), 425 Third St., SW, Washington, DC 20024, http:/www.aar.org.This document is not an ASTM standa
13、rd and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases
14、only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.1.7 Specimen Pre
15、paration (Section 12),4.1.8 Test Methods (Section 13),4.1.9 Significance of Numerical Limits (Section 14),4.1.10 Inspection (Section 15),4.1.11 Rejection and Rehearing (Section 16),4.1.12 Certification (Section 17),4.1.13 Test Report (Section 18), and4.1.14 Packaging and Package Marking (Section 20)
16、.5. Ordering Information5.1 Orders for castings under this specification should include the following information in orders for product:5.1.1 ASTM designation and year of issue (for example, B6606),5.1.2 Number of castings or total weight, for each size and form,5.1.3 Copper Alloy UNS Number (Table
17、1),5.1.4 Pattern or drawing number and condition (as cast, machined, and so forth).5.2 The following are optional and should be specified in the purchase order when required:5.2.1 Chemical analysis of residual elements, if specified in the purchase order (Section 7.3 and Specification B824),5.2.1 Pr
18、essure test or soundness requirements (Specification B824),5.2.2 Certification (Specification B824),5.2.3 Foundry test report (Specification B824),5.2.4 Witness inspection (Specification B824), and5.2.5 Product marking (Section 10).6. Materials and Manufacture6.1 Materials:6.1.1 The material of manu
19、facture shall be a casting of Copper Alloy UNS Nos. C93200, C93400, C93600, C93700, C93800,C94300, C94400, C94500, or C95400 of such purity and soundness as to be suitable for processing into the products prescribedherein.6.1.2 In the event heat identification or traceability is required, the purcha
20、ser shall specify the details desired.TABLE 1 Chemical RequirementsNOTE 1Composition % max except as indicated.Major Elements Residual ElementsCopperAlloyUNS No.Copper Tin Lead Zinc Nickel(incl Co) Iron Aluminum Manga-nese Iron Antimony Phos-phorusA Sulphur Aluminum SiliconC93200 81.085.0B 6.37.5 6.
21、88.0 1.04.0 . . . . 0.20 0.35 0.15 0.08 0.005 0.005C93400 82.085.0B 7.09.0 7.09.0 0.8 . . . . 0.20 0.50 0.50 0.08 0.005 0.005C93600 79.083.0 6.08.0 11.013.0 1.0 . . . . 0.20 0.55 0.15 0.08 0.005 0.005C93700 78.082.0 9.011.0 8.011.0 0.8 . . . . 0.15 0.50 0.15 0.08 0.005 0.005C93800 75.079.0 6.37.5 13
22、.016.0 0.8 1.0 . . . 0.15 0.8 0.05 0.08 0.005 0.005C94300 67.072.0 4.56.0 23.027.0 0.8 1.0 . . . 0.15 0.8 0.05 0.08C 0.005 0.005C94400 remainder 7.09.0 9.012.0 0.80 1.0 . . . 0.15 0.8 0.05 0.08 0.005 0.005C94500 remainder 6.08.0 16.022.0 1.2 1.0 . . . 0.15 0.8 0.05 0.08 0.005 0.005C95400 83.0 min .
23、. . 1.5 3.05.0 10.011.5 0.50 . . . . . .TABLE 1 Chemical RequirementsComposition, % Max Except as IndicatedCopperAlloyUNS No.Copper Tin Lead Zinc Iron Nickel(incl. Co) Aluminum Manganese Antimony PhosphorusA Sulphur SiliconC93200 81.085.0B 6.37.5 6.88.0 1.04.0 0.20 1.0 0.005 . 0.35 0.15 0.08 0.005C9
24、3400 82.085.0B 7.09.0 7.09.0 0.8 0.20 1.0 0.005 . 0.50 0.50 0.08 0.005C93600 79.083.0 6.08.0 11.013.0 1.0 0.20 1.0 0.005 . 0.55 0.15 0.08 0.005C93700 78.082.0 9.011.0 8.011.0 0.8 0.15 0.50 0.005 . 0.50 0.10 0.08 0.005C93800 75.079.0 6.37.5 13.016.0 0.8 0.15 1.0 0.005 . 0.8 0.05 0.08 0.005C94300 67.0
25、72.0 4.56.0 23.027.0 0.8 0.15 1.0 0.005 . 0.8 0.05 0.08C 0.005C94400 remainder 7.09.0 9.012.0 0.80 0.15 1.0 0.005 . 0.8 0.05 0.08 0.005C94500 remainder 6.08.0 16.022.0 1.2 0.15 1.0 0.005 . 0.8 0.05 0.08 0.005C95400 83.0 min . . . 3.05.0 1.5 10.011.5 0.50 . . . .A For continuous castings, phosphorus
26、shall be 1.5 % max.B In determining copper minimum, copper may be calculated as copper plus nickel.C For continuous castings, sulfur shall be 0.25 %.B66 1526.2 ManufactureThe product shall be manufactured by such casting methods to produce a uniform finished product.7. Chemical Composition7.1 The ca
27、stings shall conform to the compositional requirements for named elements shown in Table 1 for the Copper AlloyUNS Numbers specified in the purchase order.7.2 These specification limits do not preclude the presence of other elements. Limits may be established and analysis requiredfor unnamed element
28、s agreed upon between the manufacturer or supplier and the purchaser. Copper or zinc may be given asremainder and may be taken as the difference between the sum of all elements analyzed and 100 %. When all named elements inTable 1 are analyzed, their sum shall be as specified in Table 2.7.3 It is re
29、cognized that residual elements may be present in cast copper base alloys. Analysis shall be made for residualelements only when specified in the purchase order.8. Casting Repair8.1 The castings shall not be repaired, plugged, welded, or burned-in.9. Sampling9.1 Sampling shall be in accordance with
30、the requirements of Practice E255.10. Test Methods10.1 Analytical chemical methods are given in Specification B824 (Section 12).10.1.1 Test methods to be followed for the determination of elements resulting from contractual or purchase order agreementshall be as agreed upon between the manufacturer
31、or supplier and the purchaser.11. Product Marking11.1 All castings shall have the manufacturers initial or trademark, the pattern number, and such other marks as are shown onthe drawings cast on them. When serial numbers are specified, each 100 castings, or fraction thereof, shall bear the same seri
32、alnumber, commencing with the numeral one (1) at the beginning of the year and continuing consecutively until the end of the year,at each manufacturers plant.12. Keywords12.1 bronze castings; copper-alloy castings; locomotive wearing partsAPPENDIX(Nonmandatory Information)X1. APPLICATIONS FOR ALLOYS
33、 IN THIS STANDARDX1.1 The alloys in this specification have historically been used in the applications listed below. Actual practice may varyaccording to locomotive type and service. This information is provided for “information only” and should not be considered asrecommendations.X1.2 Copper Alloy
34、UNS No. C93400For side rod bushings and cross-head gibs.TABLE 2 Sum of Named Elements AnalyzedCopper Alloy UNS No. Copper Plus NamedElements, % minC93200 99.0C93400 99.0C93600 99.3C93700 99.0C93800 99.0C94300 99.0C94400 99.0C94500 99.0C95400 99.5B66 153X1.3 Copper Alloy UNS No. C93600For side rod bu
35、shings.X1.4 Copper Alloy UNS No. C93700For shoes and wedges.X1.5 Copper Alloy UNS No. C93800 (Formerly Hard Bronze)General purpose wearing metal, may be cast in either sand ormetal molds, for rod bushings, shoes and wedges, cross-head gibs, engine truck, driving boxes and trailer brasses.X1.6 Copper
36、 Alloy UNS No. C94300 (Formerly Soft Bronze)Generally cast in metal molds for driving boxes and specialpurposes where a soft metal is desired.X1.7 Copper Alloy UNS No. C94400 (Formerly Phosphor Bronze)Shoes and wedges, floating rod bushings, or other uses wherea hard wearing surface is required.X1.8
37、 Copper Alloy UNS No. C94500 (Formerly Medium Bronze)May be cast in sand or metal molds for driving-box engineand trailer truck brasses, hub liners, and bearings requiring lining metal for facing or lining.X1.9 Copper Alloy UNS No. C95400For shoes, wedges and hub liners.SUMMARY OF CHANGESCommittee B
38、05 has identified the principal changes to this specification that have been incorporated since the2013 issue as follows (Approved Oct. 1, 2015):(1) Revised Table 1.(2) Deleted 5.2.1 and 7.3.ASTM International takes no position respecting the validity of any patent rights asserted in connection with
39、 any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible techni
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41、 at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbo
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