1、Designation:A872/A872M14Standard Specification forCentrifugally Cast Ferritic/Austenitic Stainless Steel Pipe forCorrosive Environments1This standard is issued under the fixed designation A872/A872M;the number immediately following the designation indicates the yearof original adoption or,in the cas
2、e of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers centrifugally cast ferritic/austenitic steel pipe intended for genera
3、l corrosive service.These steels are susceptible to embrittlement if used forprolonged periods at elevated temperatures.1.2 Optional supplementary requirements are providedwhen additional testing may be required.1.3 The values stated in either inch-pound units or SI unitsare to be regarded separatel
4、y as standard.Within the text,SIunits are shown in brackets.The values stated in each systemare not exact equivalents;therefore,each system must be usedindependently of each other.Combining values from the twosystems may result in nonconformance with the specification.2.Referenced Documents2.1 ASTM
5、Standards:2A488/A488M Practice for Steel Castings,Welding,Qualifi-cations of Procedures and PersonnelA781/A781M Specification for Castings,Steel and Alloy,Common Requirements,for General Industrial UseA999/A999M Specification for General Requirements forAlloy and Stainless Steel PipeE29 Practice for
6、 Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE94 Guide for Radiographic ExaminationE165 Practice for Liquid Penetrant Examination for GeneralIndustryE186 Reference Radiographs for Heavy-Walled(2 to 412-in.(50.8 to 114-mm)Steel CastingsE280 Reference Radiographs f
7、or Heavy-Walled(412to 12-in.(114 to 305-mm)Steel CastingsE340 Test Method for Macroetching Metals and AlloysE446 Reference Radiographs for Steel Castings Up to 2 in.(50.8 mm)in Thickness2.2 ASME Boiler and Pressure Vessel Code:Section IX Welding Qualifications32.3 ASTM Adjuncts:Adjunct E186 Referenc
8、e RadiographsTransparencies inRingbinders,3 Volumes4Adjunct E280 Reference RadiographsTransparencies inRingbinders,2 Volumes5Adjunct E446 Reference RadiographsTransparencies inRingbinders,3 Volumes63.Ordering Information3.1 Orders for material to this specification shall include thefollowing,as requ
9、ired,to describe the desired material ad-equately.3.1.1 Quantity(feet metres or number of lengths),3.1.2 Name of material(centrifugally cast ferritic/austeniticsteel pipe),3.1.3 Grade(Table 1),3.1.4 Size(outside or inside diameter and minimum wallthickness in inches millimetres),3.1.5 Length(specifi
10、c or random,Specification A999/A999M),3.1.6 End finish of Specification A999/A999M,3.1.7 Optional Requirements(S1 through S6),3.1.8 Test report required(Section 12),and3.1.9 Special requirements or additions to the specification.4.General Requirements4.1 Material furnished under this specification s
11、hall con-form to the applicable requirements of the current edition ofSpecification A999/A999M,unless otherwise provided herein.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloysand is the direct responsibility of SubcommitteeA01.18 on Cas
12、tings.Current edition approved May 1,2014.Published June 2014.Originallyapproved in 1977.Last previous edition approved in 2012 as A872/A872M 07a(2012).DOI:10.1520/A0872_A0872M-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.Fo
13、r Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:/www.asme.org.4Available fromASTM International He
14、adquarters.Request RRE018601 for VolI,RRE018602 for Vol II,and RRE018603 for Vol III.5Available fromASTM International Headquarters.Request for RRE028001 VolI and RRE028002 for Vol II.6Available fromASTM International Headquarters.Request for RRE044601 VolI,RRE044602 for Vol II,and RRE044603 for Vol
15、 III.*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 States1 5.Materials and Manufacture5.1 Manufacture:5.1.1 The pipe shall be made by the centrifugal castingprocess.5.1.2 All pipe
16、s shall be furnished in the heat-treated condi-tion as shown in Table 2.5.1.3 MachiningThe pipe shall be machined on the innersurface and may be supplied either machined or unmachined inthe outer surface.All machining shall be to a roughness valueagreed upon between the manufacturer and purchaser.6.Chemical Composition6.1 Heat AnalysisAn analysis of each heat shall be madeby the manufacturer to determine the percentages of elementsspecified in Table 1.The analysis shall be made on a testsample t
