ASTM_B_369_-_09_2016.pdf

Designation:B36909(Reapproved 2016)Standard Specification forCopper-Nickel Alloy Castings1This standard is issued under the fixed designation B369;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 requirements forcopper-nickel alloy castings with nominal compositions shownin Table 1.These are as follows:2Copper Alloy UNS No.2Previous DesignationC96200Alloy AC96400Alloy B1.2 Castings of these alloys are used primarily forcorrosion-resistance applications such as in construction andfor pressure vessels,particularly in marine pumps,valves,andfittings.1.3 These alloys are considered weldable,but they may beordered with a weld test to ensure weldability.When extensivewelding is to be performed on the casting,weldability testsshould be specified in the ordering information(5.2.6)toensure proper welding characteristics.1.4 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.1.5 The following hazard statement applies only to Section8,Weldability Test,of this specification.This standard does notpurport to address all of the safety concerns,if any,associatedwith its use.It is the responsibility of the user of this standardto establish appropriate safety and health practices anddetermine the applicability of regulatory limitations prior touse.2.Referenced Documents2.1 ASTM Standards:3B208 Practice for Preparing Tension Test Specimens forCopper Alloy Sand,Permanent Mold,Centrifugal,andContinuous CastingsB824 Specification for General Requirements for CopperAlloy CastingsB846 Terminology for Copper and Copper AlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)2.2 ASME Code:4ASME Boiler and Pressure Vessel Code2.3 AWS Standard:5AWS A5.6 Specification for Copper and Copper-Alloy Arc-Welding Electrodes3.General Requirements3.1 The following sections of Specification B824 form apart of this specification.In the event of a conflict between thisspecification and Specification B824,the requirements of thisspecification shall take precedence.3.1.1 Terminology(Section 3),3.1.2 Other Requirements(Section 7),3.1.3 Dimensions,Mass,and Permissible Variations(Sec-tion 8),3.1.4 Workmanship,Finish,and Appearance(Section 9),3.1.5 Sampling(Section 10),3.1.6 Number of Tests and Retests(Section 11),3.1.7 Specimen Preparation(Section 12),3.1.8 Test Methods(Section 13),3.1.9 Significance of Numerical Limits(Section 14),1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.05 onCastings and Ingots for Remelting.Current edition approved April 1,2016.Published May 2016.Originallyapproved in 1961.Last previous edition approved in 2009 as B369 09.DOI:10.1520/B0369-09R16.2The 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.4Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:/www.asme.org.5Available from American Welding Society(AWS),8669 NW 36 St.,#130,Miami,FL 33166-6672,http:/www.aws.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 3.1.10 Inspection(Section 15),3.1.11 Rejection and Rehearing(Section 16),3.1.12 Certification(Section 17),3.1.13 Test Report(Section 18),3.1.14 Product Marking(Section 19),and3.1.15 Packaging and Package Marking(Section 20).4.Terminology4.1 For definitions of terms relating to copper alloys,refer toTerminology B846.5.Ordering Information5.1 Orders for castings under this specification shouldinclude the following information:5.1.1 Specification title,number,and year of issue;5.1.2 Quantity of castings;5.1.3 Copper Alloy UNS Number(Table 2);5.1.4 Pattern or drawing number and condition(as-cast,machined,and so forth);5.1.5 ASME Boiler and Pressure Vessel Code Requirements(Section 12);and5.1.6 When material is purchased for agencies of the U.S.Government,the Supplementary Requirements of this specifi-cation may be specifie