TM_B_422_
_B_422M_
_17
Designation:B422/B422M17Standard Specification forCopper-Aluminum-Silicon-Cobalt Alloy,Copper-Nickel-Silicon-Magnesium Alloy,Copper-Nickel-Silicon Alloy,Copper-Nickel-Aluminum-Magnesium Alloy,and Copper-Nickel-Tin Alloy Sheet and Strip1This standard is issued under the fixed designation B422/B422M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()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.Scope*1.1 This specification establishes the requirements for2Cop-per Alloy UNS Nos.C19002,C19010,C19015,C19020,C19025,C63800,C64725,C70250,C70260,C70265,C70310,and C70350 sheet and strip.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 The following safety hazard caveat pertains only to thetest method(s)described in this specification.1.3.1 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility 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.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3B248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate,Sheet,Strip,and RolledBarB248M Specification for General Requirements for WroughtCopper and Copper-Alloy Plate,Sheet,Strip,and RolledBar(Metric)B846 Terminology for Copper and Copper AlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)3.General Requirements3.1 Material furnished to this specification shall be inaccordance with the applicable requirements of the currentedition of Specification B248 or B248M.4.Terminology4.1 DefinitionsFor definitions of terms related to copperand copper alloys,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 and year of issue.5.1.2 Copper Alloy UNS No.designation(Section 1),5.1.3 Temper(see 7.1),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),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 April 1,2017.Published April 2017.Originallyapproved in 1965.Last previous edition approved in 2015 as B422/B422M-15.DOI:10.1520/B0422_B0422M-17.2The UNS system for copper and copper alloys(see Practice E527)is a simpleexpansion of the former standard designation system 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 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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.1.6 Quantitytotal weight or total length or number ofpieces of each size,5.1.7 Form of material(sheet or strip),5.1.8 Type of edge,if required(slit,sheared,sawed,squarecorners,rounded corners,rounded edges,or full-rounded edges(see 10.6),5.1.9 Type of width and straightness tolerances,if required(slit-metal tolerances,square sheared-metal tolerances,sawed-metal tolerances,straightened or edge-rolled-metal tolerances)(Section 10),5.2 If product is purchased for agencies of the U.S.government,it shall conform to the Supplementary Require-ments as defined in Specification B248 or B248M whenspecified in the contract or purchase order.6.Chemical Composition6.1 The material shall conform to