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1.1 This specification establishes requirements for bronze castings for steam locomotive wearing parts. Historically the alloys in this specification have been used in the applications listed in the Appendix. Actual practice may vary according to locomotive type and service.
1.2 The values stated in inch-pound units are the standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B824 Specification for General Requirements for Copper Alloy Castings
B846 Terminology for Copper and Copper Alloys
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
AAR StandardsM-503 Bronze Bearings for Locomotives Available from Association of American Railroads (AAR), 425 Third St., SW, Washington, DC 20024, http://www.aar.org.
UNSPSC Code 31100000(Castings and casting assemblies); 26101505(Steam engines)