TM_B_249_
_B_249M_
_17
Designation:B249/B249M17Standard Specification forGeneral Requirements for Wrought Copper and Copper-Alloy Rod,Bar,Shapes and Forgings1This standard is issued under the fixed designation B249/B249M;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 specification2establishes the general requirementscommon to wrought copper and copper alloy rod,bar,shapes,and forgings which shall apply to Specifications B16/B16M,B21/B21M,B98/B98M,B124/B124M,B138/B138M,B139/B139M,B140/B140M,B150/B150M,B151/B151M,B187/B187M,B196/B196M,B283/B283M,B301/B301M,B371/B371M,B411/B411M,B441,B453/B453M,B455,B570,B870,B927/B927M,B929,B967/B967M,and B974/B974Mto the extent referenced therein.1.2 The chemical composition,physical and mechanicalproperties,and all other requirements not included in thisspecification are prescribed in the product specification.1.3 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the other.Combining values from the two systems may result in non-conformance with the standard.1.3.1 Within the text the SI values are given in brackets.1.4 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.1.5 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:3B16/B16M Specification for Free-Cutting Brass Rod,Barand Shapes for Use in Screw MachinesB21/B21M Specification for Naval Brass Rod,Bar,andShapesB98/B98M Specification for Copper-Silicon Alloy Rod,Barand ShapesB124/B124M Specification for Copper and Copper AlloyForging Rod,Bar,and ShapesB138/B138M Specification for Manganese Bronze Rod,Bar,and ShapesB139/B139M Specification for Phosphor Bronze Rod,Bar,and ShapesB140/B140M Specification for Copper-Zinc-Lead(RedBrass or Hardware Bronze)Rod,Bar,and ShapesB150/B150M Specification for Aluminum Bronze Rod,Bar,and ShapesB151/B151M Specification for Copper-Nickel-Zinc Alloy(Nickel Silver)and Copper-Nickel Rod and BarB154 Test Method for Mercurous Nitrate Test for CopperAlloysB187/B187M Specification for Copper,Bus Bar,Rod,andShapes and General Purpose Rod,Bar,and ShapesB193 Test Method for Resistivity of Electrical ConductorMaterialsB194 Specification for Copper-BerylliumAlloy Plate,Sheet,Strip,and Rolled BarB196/B196M Specification for Copper-BerylliumAlloy Rodand BarB283/B283M Specification for Copper and Copper-AlloyDie Forgings(Hot-Pressed)B301/B301M Specification for Free-Cutting Copper Rod,Bar,Wire,and ShapesB371/B371M Specification for Copper-Zinc-Silicon AlloyRod1This specification is under the jurisdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,Bar,Wire,Shapes and Forgings.Current edition approved April 1,2017.Published April 2017.Originallyapproved in 1951.Last previous edition approved in 2016 as B249/B249M-16.DOI:10.1520/B0249_B0249M-17.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cations SB-249 in Section II of that Code.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 B411/B411M Specification for Copper-Nickel-Silicon AlloyRod and BarB441 Specification for Copper-Cobalt-Beryllium,Copper-Nickel-Beryllium,and Copper-Nickel-Lead-BerylliumRod and Bar(UNS Nos.C17500,C17510,and C17465)B453/B453M Specification for Copper-Zinc-Lead Alloy(Leaded-Brass)Rod,Bar,and ShapesB455 Specification for Copper-Zinc-Lead Alloy(Leaded-Brass)Extruded Shape