1、Designation:D723006(Reapproved 2021)Standard Guide forEvaluating Polymeric Lining Systems for Water Immersionin Coating Service Level III Safety-Related Applications onMetal Substrates1This standard is issued under the fixed designation D7230;the number immediately following the designation indicate
2、s 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.Scope1.1 This guide establishes procedures for evaluating lini
3、ngsystem test specimens under simulated operating conditions.1.2 Lining systems to be tested in accordance with thisguide are intended for use in both new construction and forrefurbishing existing systems or components.1.3 The lining systems evaluated in accordance with thisguide are expected to be
4、applied to metal substrates comprisingwater-wetted(that is,continuous or intermittent immersion)surfaces in systems that may include:1.3.1 Service water piping upstream of safety-relatedcomponents,1.3.2 Service water pump internals(draft tube,volutes,anddiffusers),1.3.3 Servicewaterheatexchangerchan
5、nels,passpartitions,tubesheets,end bells,and covers,1.3.4 Service water strainers,and1.3.5 Refueling water storage tanks and refuel cavity waterstorage tanks.1.4 This guide anticipates that the lining systems to betested include liquid-grade and paste-grade polymeric materi-als.Sheet type lining mat
6、erials,such as rubber,are excludedfrom the scope of this guide.1.5 Because of the specialized nature of these tests and thedesire in many cases to simulate to some degree the expectedservice environment,the creation of a standard practice is notpractical.This standard gives guidance in setting up te
7、sts andspecifies test procedures and reporting requirements that can befollowed even with differing materials,specimen preparationmethods,and test facilities.1.6 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI unit
8、s that are provided for information onlyand are not considered standard.1.7 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
9、deter-mine the applicability of regulatory limitations prior to use.1.8 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-men
10、dations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A36/A36M Specification for Carbon Structural SteelC868 Test Method for Chemical Resistance of ProtectiveLinings(Withdrawn 2015)3D115 Test Methods for Testing Solvent Cont
11、aining Var-nishes Used for Electrical InsulationD714 Test Method for Evaluating Degree of Blistering ofPaintsD2240 Test Method for Rubber PropertyDurometer Hard-nessD2583 Test Method for Indentation Hardness of Rigid Plas-tics by Means of a Barcol ImpressorD2794 Test Method for Resistance of Organic
12、 Coatings tothe Effects of Rapid Deformation(Impact)D4060 Test Method for Abrasion Resistance of OrganicCoatings by the Taber AbraserD4082 Test Method for Effects of Gamma Radiation onCoatings for Use in Nuclear Power PlantsD4538 Terminology Relating to Protective Coating and1This guide is under the
13、 jurisdiction of ASTM Committee D33 on ProtectiveCoating and Lining Work for Power Generation Facilities and is the directresponsibility of Subcommittee D33.02 on Service and Material Parameters.Current edition approved Feb.1,2021.Published March 2021.Originallyapproved in 2006.Last previous edition
14、 approved in 2013 as D7230 06(2013).DOI:10.1520/D7230-06R21.2For 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.3The l
15、ast approved version of this historical standard is referenced onwww.astm.org.Copyright 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 standardizat
16、ion 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.1Lining Work for Power Generation FacilitiesD4541 Test Method for Pull-Off Strength of Coatings UsingPortable Adhesion TestersD5139 Specification for Sample Preparation for Qualifica-tion Testing of Coatings to be Used in Nuclear PowerPlantsD5144 Guide for Use of Protective Coating Standards inNucle
