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ASTM_D_6137_-_97_2018.pdf

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1、Designation:D613797(Reapproved 2018)Standard Test Method forSulfuric Acid Resistance of Polymer Linings for Flue GasDesulfurization Systems1This standard is issued under the fixed designation D6137;the number immediately following the designation indicates the year oforiginal adoption or,in the case

2、 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 test method is intended to evaluate the sulfuric acidresistance at elevated temperatures of p

3、olymer linings appliedto carbon steel substrates subject to sulfuric acid attack.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 T

4、his 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

5、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

6、)Committee.2.Referenced Documents2.1 ASTM Standards:2A36/A36M Specification for Carbon Structural SteelC868 Test Method for Chemical Resistance of ProtectiveLinings(Withdrawn 2015)3D660 Test Method for Evaluating Degree of Checking ofExterior PaintsD661 Test Method for Evaluating Degree of Cracking

7、ofExterior PaintsD714 Test Method for Evaluating Degree of Blistering ofPaintsD772 Test Method for Evaluating Degree of Flaking(Scal-ing)of Exterior PaintsD1186 Test Methods for Nondestructive Measurement ofDry Film Thickness of Nonmagnetic Coatings Applied toa Ferrous Base(Withdrawn 2006)3D1474 Tes

8、t Methods for Indentation Hardness of OrganicCoatingsD4138 Practices for Measurement of Dry Film Thickness ofProtective Coating Systems by Destructive,Cross-Sectioning MeansD4417 Test Methods for Field Measurement of SurfaceProfile of Blast Cleaned SteelD5162 Practice for Discontinuity(Holiday)Testi

9、ng of Non-conductive Protective Coating on Metallic Substrates2.2 Steel Structures Painting Council Standards4SSPC VIS 189 Visual StandardSSPC No.SP5 Blast Cleaning to White Metal3.Significance and Use3.1 The results obtained by this test method can be used incombination with other test methods for

10、the selection of alining for surfaces in flue gas desulfurization(FGD)systemsthat will be exposed to hot unscrubbed flue gas or to scrubbedgas that has been reheated well above the water dew point.3.1.1 This test method does not evaluate or correlate to areaswithin the scrubber or scrubbed gas strea

11、ms at temperatures ator below the water dew point.3.2 This test method is intended to evaluate the combinedeffects of heat and exposure to sulfuric acid upon a liningsystem as applied to a carbon steel substrate.It does notproduce the thermal gradient through the lining that may existin actual appli

12、cations.Actual lining performance may also beaffected by concurrent physical or mechanical effects and otherchemicals that may be present in the flue gas.3.3 This test method evaluates major failure modes oflinings applied to square test panels that are cycled from roomtemperature to a designated el

13、evated temperature.1This test method is under the jurisdiction of ASTM Committee D33 onProtective Coating and Lining Work for Power Generation Facilities and is the directresponsibility of Subcommittee D33.09 on Protective Lining forAir Quality ControlSystems.Current edition approved Aug.1,2018.Publ

14、ished August 2018.Originallyapproved 1997.Last previous edition approved in 2012 as D6137 97(2012).DOI:10.1520/D6137-97R18.2For 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 t

15、o the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Society for Protective Coatings(SSPC),40 24th St.,6th Floor,Pittsburgh,PA 15222-4656,http:/www.sspc.org.Copyright ASTM International,100 Barr H

16、arbor 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 3.4 The recommended test temperatures of 200F(93C)and 350F(177C)are based on typical maximum operatingzone temperat

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