ASTM_B_455_-_10.pdf

Designation:B45510Standard Specification forCopper-Zinc-Lead Alloy(Leaded-Brass)Extruded Shapes1This standard is issued under the fixed designation B455;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification establishes the requirements for ex-truded leaded-brass angles,channels,and other architecturalshapes of solid cross section produced in Copper Alloy UNSNos.C38000 and C38500.1.1.1 Pipe,tube,or other hollow section products are notincluded in this specification.1.2 UnitsThe values stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.2.Referenced Documents2.1 ASTM Standards:2B249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod,Bar,Shapes andForgingsB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB950 Guide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE54 Test Methods for Chemical Analysis of Special Brassesand Bronzes(Withdrawn 2002)3E255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper Alloys3.General Requirements3.1 The following sections of Specification B249/B249Mconstitute a part of this specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship,Finish,and Appearance,3.1.4 Sampling,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Methods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Mill Test Report,and3.1.13 Packaging and Package Marking.3.2 In addition,when a section with a title identical to thatreferenced in 3.1 appears in this specification,it containsadditional information which supplements that appearing inSpecification B249/B249M.In case of conflict this specifica-tion shall prevail.4.Terminology4.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.5.Ordering Information5.1 Include the following information when placing ordersfor product under this specification,as applicable:5.1.1 ASTM designation and year of issue(for example,B455 01),5.1.2 Copper Alloy UNS No.designation(for example,C38000),5.1.3 Temper(Section 7),5.1.4 Form,dimensions,and tolerances(Section 9),and5.1.5 Quantity;total weight or number of pieces for eachform,temper,size,and copper alloy.5.2 The following options are available and shall be speci-fied at the time of placing of the order when required:5.2.1 Intended end use or application,5.2.2 Heat identification or traceability details(Specifica-tion B249/B249M),5.2.3 Certification(Specification B249/B249M),and5.2.4 Mill test report(Specification B249/B249M).1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,Bar,Wire,Shapes and Forgings.Current edition approved April 1,2010.Published May 2010.Originallyapproved in 1967.Last previous edition approved in 2005 as B455 05.DOI:10.1520/B0455-10.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*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 States1 6.Chemical Composition6.1 The material shall conform to the chemical composi-tional requirements in Table 1 for the copper alloy UNS No.specified in the ordering information.6.1.1 These composition limits do not preclude the presenceof other elements.By agreement between the manufacturer andpurchaser,limits will be established and analysis required forunnamed elements.6.2 For alloys in which zinc is specified as the remainder,either copper or zinc is permitted to be taken as the differencebetween the sum of results for all elements analyzed and100%.When copper is so determined,that difference valueshall conform to the requirements given in Table 1.6.3 When all elements specified in Table 1 are determinedfor the copper alloy UNS No.designated in the orderinginformation,the sum of the results shall be 99.5%minimum.7.Temper7.1 The temper of the product furnished to this specifica-tion,as defined in Specification B249/B249M,shall be M30(ashot ext