ASTM_B_168_-_19.pdf

Designation:B16819Used in USDOE-NE StandardsStandard Specification forNickel-Chromium-Aluminum Alloys(UNS N06699),Nickel-Chromium-Iron Alloys(UNS N06600,N06601,N06603,N06690,N06693,N06025,N06045,and N06696),Nickel-Chromium-Cobalt-Molybdenum Alloy(UNS N06617),Nickel-Iron-Chromium-Tungsten Alloy(UNS N06674),and Nickel-Chromium-Molybdenum-Copper Alloy(UNS N06235)Plate,Sheet,and Strip1This standard is issued under the fixed designation B168;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 specification2covers rolled nickel-chromium-aluminum alloys(UNS N06699),nickel-chromium-iron alloys(UNS N06600,N06601,N06603,N06690,N06693,N06025,N06045,and N06696),3nickel-chromium-cobalt-molybdenumalloy(UNS N06617),nickel-iron-chromium-tungsten alloy(UNS N06674),and nickel-chromium-molybdenum-copper al-loy(UNS N06235)plate,sheet,and strip.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 The following precautionary caveat pertains only to thetest methods portion,Section 13,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to become familiar with all hazards includingthose identified in the appropriate Safety Data Sheet(SDS)forthis product/material as provided by the manufacturer,toestablish appropriate safety,health,and environmentalpractices,and determine the applicability of regulatory limi-tations 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:4B166 Specification for Nickel-Chromium-Aluminum Alloy,Nickel-Chromium-IronAlloys,Nickel-Chromium-Cobalt-Molybdenum Alloy,Nickel-Iron-Chromium-TungstenAlloy,and Nickel-Chromium-Molybdenum-Copper AlloyRod,Bar,and WireB880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel,Nickel Alloys andCobalt AlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE10 Test Method for Brinell Hardness of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of Nickel-Chromiumand Nickel-Chromium-Iron Alloys(Withdrawn 1989)5E112 Test Methods for Determining Average Grain SizeE140 Hardness Conversion Tables for Metals RelationshipAmong Brinell Hardness,Vickers Hardness,Rockwell1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved May 1,2019.Published May 2019.Originallyapproved in 1941.Last previous edition approved in 2018 as B168 18.DOI:10.1520/B0168-19.2For ASME Boiler and Pressure Code applications,see related SpecificationSB-168 in Section II of that Code.3New designation established in accordance with Practice E527 and SAE J1086,Practice for Numbering Metals and Alloys(UNS).4For 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.5The last approved version of this historical standard is referenced onwww.astm.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 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 Hardness,Superficial Hardness,Knoop Hardness,Sclero-scope Hardness,and Leeb HardnessE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E1473 Test Methods for Chemical Analysis of Nickel,Co-balt and High-Temperature AlloysF155 Method of Test for Temper of Strip and Sheet Metalsfor Electronic Devices(Spring-Back Method)(Withdrawn1982)52.2 Federal Standards:6Fed.Std.No.102 Preservation,Packaging