ASTM_B_248M_-_17.pdf

Designation:B248M17Standard Specification forGeneral Requirements for Wrought Copper and Copper-Alloy Plate,Sheet,Strip,and Rolled Bar(Metric)1This standard is issued under the fixed designation B248M;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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification establishes the general requirementscommon to several wrought product specifications.Unlessotherwise specified in the purchase order or in an individualspecification,these general requirements shall apply to copperand copper-alloy plate,sheet,strip,and rolled bar suppliedunder each of the following product specifications issued byASTM:B19,B36/B36M,B96/B96M,B103/B103M,B121/B121M,B122/B122M,B130,B152/B152M,B169/B169M,B194,B422/B422M,B465,B534,B591,B592,B694,B740,B747,B768,B888/B888M,and B936.21.2 UnitsThis specification is the companion specificationto inch-pound Specification B248.1.3 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 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein:2.2 ASTM Standards:3B19 Specification for Cartridge Brass Sheet,Strip,Plate,Bar,and DisksB36/B36M Specification for Brass Plate,Sheet,Strip,AndRolled BarB96/B96M Specification for Copper-Silicon Alloy Plate,Sheet,Strip,and Rolled Bar for General Purposes andPressure VesselsB103/B103M Specification for Phosphor Bronze Plate,Sheet,Strip,and Rolled BarB121/B121M Specification for Leaded Brass Plate,Sheet,Strip,and Rolled BarB122/B122M Specification for Copper-Nickel-Tin Alloy,Copper-Nickel-Zinc Alloy(Nickel Silver),and Copper-Nickel Alloy Plate,Sheet,Strip,and Rolled BarB130 Specification for Commercial Bronze Strip for BulletJacketsB152/B152M Specification for Copper Sheet,Strip,Plate,and Rolled BarB169/B169M Specification for Aluminum Bronze Sheet,Strip,and Rolled BarB193 Test Method for Resistivity of Electrical ConductorMaterialsB194 Specification for Copper-BerylliumAlloy Plate,Sheet,Strip,and Rolled BarB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate,Sheet,Strip,and RolledBarB422/B422M Specification for Copper-Aluminum-Silicon-Cobalt Alloy,Copper-Nickel-Silicon-Magnesium Alloy,Copper-Nickel-Silicon Alloy,Copper-Nickel-Aluminum-Magnesium Alloy,and Copper-Nickel-Tin Alloy Sheetand StripB465 Specification for Copper-IronAlloy Plate,Sheet,Strip,and Rolled BarB534 Specification for Copper-Cobalt-Beryllium Alloy andCopper-Nickel-Beryllium Alloy Plate,Sheet,Strip,andRolled BarB591 Specification for Copper-Zinc-Tin and Copper-Zinc-Tin-Iron-Nickel Alloys Plate,Sheet,Strip,and Rolled BarB592 Specification for Copper-Zinc-Aluminum-CobaltAlloy,Copper-Zinc-Tin-IronAlloy Plate,Sheet,Strip,andRolled Bar1This 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.1,2017.Published November 2017.Originallyapproved in 1980.Last previous edition approved in 2012 as B248M 12.DOI:10.1520/B0248M-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 B694 Specification for Copper,Copper-Alloy,Copper-CladBronze(CCB),Copper-Clad Stainless Steel(CCS),andCopper-Clad Alloy Steel(CAS)Sheet and Strip forElectrical Cable ShieldingB740 Specification for Copper-Nickel-Tin Spinodal AlloyStripB747 Specification for Copper-Zirconium Alloy Sheet andStripB768 Specification for Copper-Cobalt-Beryllium A