TM_B_747_
_15
Designation:B74715Standard Specification forCopper-Zirconium Alloy Sheet and Strip1This standard is issued under the fixed designation B747;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 Cop-per Alloy UNS C15100 sheet and strip.1.2 UnitsValues stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units,which are provided forinformation only and are not considered standard.2.Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate,Sheet,Strip,and RolledBarB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE112 Test Methods for Determining Average Grain SizeE255 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 B248 constitutea part of this specification:3.1.1 Terminology,3.1.2 Workmanship,Finish,and Appearance,3.1.3 Sampling,3.1.4 Number of Tests and Retests,3.1.5 Specimen Preparation,3.1.6 Significance of Numerical Limits,3.1.7 Inspection,3.1.8 Rejection and Rehearing,3.1.9 Certification,3.1.10 Test Report,3.1.11 Packaging and Package Marking,and3.1.12 Supplementary Requirements.4.Terminology4.1 For definition of terms related to copper and copperalloys,refer to Terminology B846.5.Ordering Information5.1 Include the following specified choices when placingorders for product under this specification,as applicable:5.1.1 ASTM designation number and year of issue,5.1.2 Copper Alloy UNS No.designation,5.1.3 Temper,5.1.4 Dimensions(thickness,width,length,if applicable),5.1.5 How furnished(rolls,specific lengths with or withoutends,stock lengths with or without ends),5.1.6 Quantitytotal weight or total length or number ofpieces of each size,5.1.7 Type of edge,if required(slit,sheared,sawed,squarecorners,rounded corners,rounded edges,or full-roundededges),5.1.8 Type of width and straightness tolerances,if required(slit metal tolerances,square sheared metal tolerances,sawedmetal tolerances,straightened or edge-rolled metal tolerances),and5.1.9 Intended application.5.2 The following options are available but may not beincluded unless specified at the time of placing of the orderwhen required:5.2.1 Heat identification or traceability details,5.2.2 Certification,5.2.3 Test Report,5.2.4 If product specification number must be shown onpackage marking,and5.2.5 If product is purchased for agencies of the U.S.Government(See Supplemental Requirements section ofSpecification B248 for additional requirements).1This specification is under the jurisdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet,and Strip.Current edition approved Oct.1,2015.Published October 2015.Originallyapproved in 1985.Last previous edition approved in 2011 as B74711.DOI:10.1520/B0747-15.2For 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.*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.Materials and Manufacture6.1 Materials:6.1.1 The material of manufacture shall be a form(cast bar,cake,slab,etcetera)of CopperAlloy UNS No.C15100 of suchpurity and soundness as to be suitable for processing into theproducts prescribed herein.6.1.2 When specified in the contract or purchase order,thatheat identification or traceability is required,the purchasershall specify the details desired.NOTE1Due to the discontinuous nature of the processing of castingsinto wrought products,it is not always practical to identify a specificcasting analysis with a specific quantity of finished material.6.2 Manufacture:6.2.1 The product shall be manufactured by such hot-working,cold-working,and annealing processes as to producea uniform wrought structure in the finished product.6.2.2 The product shall be hot-or cold-worked to thefinished size,and subsequently annealed when required,tomeet the temper properties specified.6.3 Edges:6.3.1 Slit edges shall be furnished unless otherwise