1、Designation: B66 06 (Reapproved 2013)1Standard 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 year of
2、 last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1NOTEDesignation was corrected from dual designa
3、tion B66/B66M and units statement was removed editoriallyin November 2013.1. Scope1.1 This specification establishes requirements for bronzecastings for steam locomotive wearing parts. The followingCopper Alloy UNS Nos. are specified: C93200, C93400,C93600, C93700, C93800, C94300, C94400, C94500, an
4、dC95400.2NOTE 1Historically, the alloys in this specification have been used inthe applications listed in the Appendix. Actual practice may vary accord-ing to locomotive type and service.1.2 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is t
5、heresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3The following documents in the current issue of the Book ofStandards form a part of t
6、his specification to the extentreferenced herein:B824 Specification for General Requirements for CopperAlloy CastingsB846 Terminology for Copper and Copper AlloysE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE527 Practice for Numbering Metals and All
7、oys in theUnified Numbering System (UNS)2.2 AAR Standards:4M-503 Bronze Bearings for Locomotives3. Terminology3.1 For definitions of terms related to copper alloys, refer toTerminology B846.4. General Requirements4.1 The following sections of Specification B824 form apart of this specification. In t
8、he event of a conflict between thisspecification and Specification B824, the requirements of thisspecification shall take precedence.4.1.1 Terminology (Section 3),4.1.2 Other Requirements (Section 7),4.1.3 Dimensions, Mass, and Permissible Variations (Sec-tion 8),4.1.4 Workmanship, Finish, and Appea
9、rance (Section 9),4.1.5 Sampling (Section 10),4.1.6 Number of Tests and Retests (Section 11),4.1.7 Specimen Preparation (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 C
10、ertification (Section 17),4.1.13 Test Report (Section 18), and4.1.14 Packaging and Package Marking (Section 20).5. Ordering Information5.1 Orders for castings under this specification shouldinclude the following information in orders for product:5.1.1 ASTM designation and year of issue (for example,
11、B6606),5.1.2 Number of castings or total weight, for each size andform,5.1.3 Copper Alloy UNS Number (Table 1),1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.05 onCastings and Ingots for Remelting.Cur
12、rent edition approved Oct. 1, 2013. Published November 2013. Originallyapproved in 1936. Last previous edition approved in 2006 as B66/B66M 061.DOI: 10.1520/B0066-06R13E01.2The UNS system for copper and copper alloys (see Practice E527) is a simpleexpansion of the former standard designation system
13、accomplished by the additionof a prefix “C” and a suffix “00”. The suffix can be used to accommodatecomposition variations of the base alloy.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volu
14、me information, refer to the standards Document Summary page onthe ASTM website.4Available from Association of American Railroads (AAR), 425 Third St., SW,Washington, DC 20024, http:/www.aar.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. Unite
15、d States15.1.4 Pattern or drawing number and condition (as cast,machined, and so forth).5.2 The following are optional and should be specified inthe purchase order when required:5.2.1 Chemical analysis of residual elements, if specified inthe purchase order (Section 7.3 and Specification B824),5.2.2
16、 Pressure test or soundness requirements (SpecificationB824),5.2.3 Certification (Specification B824),5.2.4 Foundry test report (Specification B824),5.2.5 Witness inspection (Specification B824), and5.2.6 Product marking (Section 10).6. Materials and Manufacture6.1 Materials:6.1.1 The material of ma
17、nufacture shall be a casting ofCopper Alloy UNS Nos. C93200, C93400, C93600, C93700,C93800, C94300, C94400, C94500, or C95400 of such purityand soundness as to be suitable for processing into the productsprescribed herein.6.1.2 In the event heat identification or traceability isrequired, the purchas
18、er shall specify the details desired.6.2 ManufactureThe product shall be manufactured bysuch casting methods to produce a uniform finished product.7. Chemical Composition7.1 The castings shall conform to the compositional require-ments for named elements shown in Table 1 for the CopperAlloy UNS Numb
19、ers specified in the purchase order.7.2 These specification limits do not preclude the presenceof other elements. Limits may be established and analysisrequired for unnamed elements agreed upon between themanufacturer or supplier and the purchaser. Copper or zincmay be given as remainder and may be
20、taken as the differencebetween the sum of all elements analyzed and 100 %. When allnamed elements in Table 1 are analyzed, their sum shall be asspecified in Table 2.7.3 It is recognized that residual elements may be present incast copper base alloys. Analysis shall be made for residualelements only
21、when specified in the purchase order.8. Casting Repair8.1 The castings shall not be repaired, plugged, welded, orburned-in.9. Sampling9.1 Sampling shall be in accordance with the requirementsof Practice E255.10. Test Methods10.1 Analytical chemical methods are given in SpecificationB824 (Section 12)
22、.10.1.1 Test methods to be followed for the determination ofelements resulting from contractual or purchase order agree-ment shall be as agreed upon between the manufacturer orsupplier and the purchaser.11. Product Marking11.1 All castings shall have the manufacturers initial ortrademark, the patter
23、n number, and such other marks as areshown on the drawings cast on them. When serial numbers arespecified, each 100 castings, or fraction thereof, shall bear thesame serial number, commencing with the numeral one (1) atthe beginning of the year and continuing consecutively untilthe end of the year,
24、at each manufacturers plant.12. Keywords12.1 bronze castings; copper-alloy castings; locomotivewearing partsTABLE 1 Chemical RequirementsNOTE 1Composition % max except as indicated.Major Elements Residual ElementsCopperAlloy UNSNo.Copper Tin Lead ZincNickel(incl Co)Iron AluminumManga-neseIron Antimo
25、nyPhos-phorusASulphur Aluminum SiliconC93200 81.085.0B6.37.5 6.88.0 1.04.0 . . . . 0.20 0.35 0.15 0.08 0.005 0.005C93400 82.085.0B7.09.0 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 .
26、. . . 0.15 0.50 0.15 0.08 0.005 0.005C93800 75.079.0 6.37.5 13.016.0 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 0.08C0.005 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
27、.2 1.0 . . . 0.15 0.8 0.05 0.08 0.005 0.005C95400 83.0 min . . . 1.5 3.05.0 10.011.5 0.50 . . . . . .AFor continuous castings, phosphorus shall be 1.5 % max.BIn determining copper minimum, copper may be calculated as copper plus nickel.CFor continuous castings, sulfur shall be 0.25 %.TABLE 2 Sum of
28、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 06 (2013)12APPENDIX(Nonmandatory Information)X1. APPLICATIONS FOR ALLOYS IN THIS STANDARDX1.1 The alloys in this specifica
29、tion have historically beenused in the applications listed below. Actual practice may varyaccording to locomotive type and service. This information isprovided for “information only” and should not be consideredas recommendations.X1.2 Copper Alloy UNS No. C93400For side rod bush-ings and cross-head
30、gibs.X1.3 Copper Alloy UNS No. C93600For side rod bush-ings.X1.4 Copper Alloy UNS No. C93700For shoes andwedges.X1.5 Copper Alloy UNS No. C93800 (Formerly HardBronze)General purpose wearing metal, may be cast in eithersand or metal molds, for rod bushings, shoes and wedges,cross-head gibs, engine tr
31、uck, driving boxes and trailer brasses.X1.6 Copper Alloy UNS No. C94300 (Formerly SoftBronze)Generally cast in metal molds for driving boxes andspecial purposes where a soft metal is desired.X1.7 Copper Alloy UNS No. C94400 (Formerly PhosphorBronze)Shoes and wedges, floating rod bushings, or otherus
32、es where a hard wearing surface is required.X1.8 Copper Alloy UNS No. C94500 (Formerly MediumBronze)May be cast in sand or metal molds for driving-boxengine and trailer truck brasses, hub liners, and bearingsrequiring lining metal for facing or lining.X1.9 Copper Alloy UNS No. C95400For shoes, wedge
33、sand hub liners.ASTM International takes no position respecting the validity of any patent rights asserted in connection with 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
34、such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for ad
35、ditional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration 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
36、the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).B66 06 (2013)13
