1、Designation:D804018Standard Test Method forCorrosion Test for Heat Transfer Fluids in Glassware1This standard is issued under the fixed designation D8040;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A num
2、ber in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers a simple beaker-type procedurefor evaluating the effects of heat transfer fluids(HTF)on metalspecimens under controlle
3、d laboratory conditions.Fluids testedunder this method are specifically designed for heating and airconditioning(HVAC)systems.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard does not purport to address all
4、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.Specific hazards statements are given in 10.1.7.2,10.1
5、.7.3,10.1.7.4,and A1.1.6.1.4 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 Organizat
6、ion TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2B32 Specification for Solder MetalB36/B36M Specification for Brass Plate,Sheet,Strip,AndRolled BarD1384 Test Method for Corrosion Test for Engine Coolantsin GlasswareE1 Specification for ASTM Liquid-in-Glass Therm
7、ometersE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE178 Practice for Dealing With Outlying ObservationsE230 Specification for Temperature-Electromotive Force(emf)Tables for Standardized ThermocouplesE691 Practice for Conducting an Interlaboratory Study toDetermine the Pr
8、ecision of a Test Method2.2 ASTM Adjunct:3All-glass apparatus for corrosion test(2 drawings)3.Summary of Test Method3.1 In this test method,specimens of metals typical of thosepresent in HVAC systems are totally immersed in aerated HTFsolutions for 336 h at 88 C(190 F).The corrosion-inhibitiveproper
9、ties of the test solution are evaluated on the basis of theweight changes incurred by the specimens.Each test is run intriplicate,and the average weight change is determined foreach metal.Asingle test may occasionally be completely out ofline(see 11.2).4.Significance and Use4.1 This test method will
10、 generally distinguish betweenHTFs that are definitely deleterious from the corrosion stand-point and those that are suitable for further evaluation.However,the results of this test method cannot stand alone asevidence of satisfactory corrosion inhibition.The actual ser-vice value of an HTF formulat
11、ion can be determined by morecomprehensive evaluation and field tests,agreed betweencustomer and supplier.5.Apparatus5.1 Container,a 1000 mL,tall-form,spoutless beaker,madeof heat-resistant glass,for containing the HTF solution and test1This test method is under the jurisdiction of ASTM Committee D1
12、5 on EngineCoolants and Related Fluids and is the direct responsibility of SubcommitteeD15.30 on Industrial Heat Transfer Fluids.Current edition approved Dec.1,2018.Published December 2018.Originallyapproved in 2017.Last previous edition approved in 2017 as D804017.DOI:10.1520/D804018.2For reference
13、d 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.3Details available from ASTM International Headquarters.Order Adjunct No.ADJD138
14、4.Original adjunct produced in 1980.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 standardization established in the Decision on Princip
15、les for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 specimens.The beaker shall be tightly closed with a No.15rubber stopper,having drill holes to accommodate a watercondenser,an aerator tube,a
16、nd a thermometer as shown in Fig.1.Optionally,an all-glass apparatus may be used.45.2 Condenser,a water condenser of the reflux,glass-tubetype,having a 400 mm(16 in.)condenser jacket.5.3 Aerator Tube,a gas-dispersion tube,porosity size 12-C,5to ensure continuous aeration without plugging.5.4 Temperature Measuring Instrument(EnvironmentallySafe Thermometer or Thermocouple),anASTM Partial Immer-sion Temperature Measuring Instrument having a range from20 to 150 C(0 to 302 F)and conforming to the re
