ASTM_D_6710_-_21.pdf

Designation:D671021Standard Guide forEvaluation of Hydrocarbon-Based Quench Oil1This standard is issued under the fixed designation D6710;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.1.Scope*1.1 This guide covers information without specific limits,for selecting standard test methods for testing hydrocarbon-based quench oils for quality and aging.1.2 The values stated in SI units are to be regarded asstandard.1.2.1 ExceptionThe units given in parentheses are forinformation only.1.3 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,health,and environmental practices and deter-mine the applicability 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:2D91 Test Method for Precipitation Number of LubricatingOilsD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD94 Test Methods for Saponification Number of PetroleumProductsD95 Test Method for Water in Petroleum Products andBituminous Materials by DistillationD189 Test Method for Conradson Carbon Residue of Petro-leum ProductsD445 Test Method for Kinematic Viscosity of Transparentand Opaque Liquids(and Calculation of Dynamic Viscos-ity)D482 Test Method for Ash from Petroleum ProductsD524 Test Method for Ramsbottom Carbon Residue ofPetroleum ProductsD664 Test Method for Acid Number of Petroleum Productsby Potentiometric TitrationD974 Test Method for Acid and Base Number by Color-Indicator TitrationD1298 Test Method for Density,Relative Density,or APIGravity of Crude Petroleum and Liquid Petroleum Prod-ucts by Hydrometer MethodD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterD4175 Terminology Relating to Petroleum Products,LiquidFuels,and LubricantsD4530 Test Method for Determination of Carbon Residue(Micro Method)D6200 Test Method for Determination of Cooling Charac-teristics of Quench Oils by Cooling Curve AnalysisD6304 Test Method for Determination of Water in Petro-leum Products,Lubricating Oils,and Additives by Cou-lometric Karl Fischer TitrationD7042 Test Method for Dynamic Viscosity and Density ofLiquids by Stabinger Viscometer(and the Calculation ofKinematic Viscosity)2.2 ISO Standards:3ISO 9950 Industrial Quenching OilsDetermination ofCoolingCharacteristicsNickel-AlloyProbeTestMethod,1995-95-013.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 For definitions of terms used in this guide,refer toTerminology D4175.1This guide is under the jurisdiction of ASTM Committee D02 on PetroleumProducts,Liquid Fuels,and Lubricants and is the direct responsibility of Subcom-mittee D02.L0.06 on Non-Lubricating Process Fluids.Current edition approved Dec.1,2021.Published January 2022.Originallyapproved in 2001.Last previous edition approved in 2017 as D6710 17.DOI:10.1520/D6710-21.2For 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.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.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.1Quench Processing3.1.2 austenitization,nheating a steel containing less thanthe eutectoid concentration of carbon(about 0.8%by mass)toa temperature just above the eutectoid temperature to decom-pose the pearlite microstructure to produce a face-centeredcubic(fcc)austenite-ferrite mixture.3.1.3 dragout,nsolution carried out of a bath on the metalbeing quenched and associated handling equipment.3.1.4 martempering,ncooling steel from the austenitiza-tion temperature to a temperature just above the start ofmertensite transformation(Ms)for a time sufficient for thetemperature to equalize between the surface and the center ofthe steel,at which point the steel is removed fr