1、This international standard was developed in accordance with internationally recgnized 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(T
2、BT)Committee.Designation:A53/A53M-20NTERNATIONALStandard Specification forPipe,Steel,Black and Hot-Dipped,Zinc-Coated,Welded andSeamlessThis standard is issued under the fixed designation A53/A53M:the number immediately following the designation indicates the yearof original adoption or,in the case
3、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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.3.2 If Type S o
4、r Type E is required for close coiling or1.1 This specification2 covers seamless and welded blackcold bending,Grade A is the preferred grade;however,this isand hot-dipped galvanized steel pipe in NPS s to NPS 26 DNnot intended to prohibit the cold bending of Grade B pipe.6 to DN 650(Note 1).inclusiv
5、e.with nominal wall thickness1.3.3 Type E is furnished either nonexpanded or cold(Note 2)as given in Table X2.2 and Table X2.3.It shall beexpanded at the option of the manufacturer.permissible to furnish pipe having other dimensions provided1.4 The values stated in either SI units or inch-pound unit
6、sthat such pipe complies with all other requirements of thisare to be regarded separately as standard.The values stated inspecification.Supplementary requirements of an optional na-each system may not be exact equivalents;therefore,eachture are provided and shall apply only when specified by thesyst
7、em shall be used independently of the other.Combiningpurchaser.values from the two systems may result in non-conformanceNorE 1-The dimensionless designators NPS(nominal pipe size)DNwith the standard.(diameter nominal)have been substituted in this specification for such1.5 The following precautionary
8、 caveat pertains only to thetraditional terms asnominal diameter,”“size,”and“nominal size.test method portion,Sections 7,8,9,13,14,and 15 of thisNorE 2-The term nominal wall thickness has been assigned for thespecification:This standard does not purport to address all ofpurpose of convenient designa
9、tion,existing in name only,and is used todistinguish it from the actual wall thickness,which may vary over orthe safety concerns,if any,associated with its use.It is theunder the nominal wall thickness.responsibility of the user of this standard to establish appro-1.2 This specification covers the f
10、ollowing types andpriate safety,health,and environmental practices and deter-grades:mine the applicability of regulatory requirements prior to use.1.2.1 Type F-Furnace-butt-welded,continuous welded1.6 The text of this specification contains notes or footnotes,Grade A.or both,that provide explanatory
11、 material.Such notes and1.2.2 Type E-Electric-resistance-welded,Grades A and B,footnotes,excluding those in tables and figures,do not containandany mandatory requirements1.2.3 Type S-Seamless,Grades A and B.1.7 This international standard was developed in accor-dance with internationally recognized
12、principles on standard-NorE 3-See Appendix XI for definitions of types of pipe.ization established in the Decision on Principles for the1.3 Pipe ordered under this specification is intended forDevelopment of International Standards,Guides and Recom-mechanical and pressure applications and is also ac
13、ceptable formendations issued by the World Trade Organization Technicalordinary uses in steam,water,gas,and air lines.It is suitableBarriers to Trade(TBT)Committee.for welding,and suitable for forming operations involvingcoiling,bending,and flanging,subject to the following quali-2.Referenced Docume
14、ntsfications:2.1 ASTM Standards:31.3.1 Type F is not intended for flanging.A90/A90M Test Method for Weight Massof Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA370 Test Methods and Definitions for Mechanical TestingThis specification is under the jurisdiction of ASTM Committee A
15、0l on Steel.of Steel ProductsStainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.09 on Carbon Steel Tubular Products.Current edition approved July 1.2020.Published July 2020.Originally approvedin 1915.Last previous edition approved in 2018 as A53/A53M-18.DOI:3 For
16、referenced ASTM standards,visit the ASTM website,www.astm.org.or10.1520/A0053A0053M-20.contact ASTM Customer Service at serviceastm.org.For Annual Book of ASTM2 For ASME Boiler and Pressure Vessel Code applications,see related Specifi-Standards volume information,refer to the standards Document Summ
17、ary page oncation SA-53 in Section II of that code.the ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM Intemational,100 Barr Harbor Drive,PO Box C700.West Conshohocken.PA 19428-2959.United StatesCopyright by ASTM Intl(all rights reserved):Mon Jul 20 07:40
18、:31 EDT 2020Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorizedA53/A53M-20A530/A530M Specification for General Requirements for3.1.6 Size(either nominal(NPS)DNand weight class orSpecialized Carbon and Alloy Steel Pipesc
19、hedule number,or both;or outside diameter and wallA700 Guide for Packaging,Marking,and Loading Methodsthickness,see Table X2.2 and Table X2.3),for Steel Products for Shipment3.1.7 Length(specific or random,see Section 16),A751 Test Methods,Practices,and Terminology for Chemi-3.1.8 End finish(plain e
20、nd or threaded,Section 11),cal Analysis of Steel Products3.1.8.1 Threaded and coupled.if desired,A865/A865M Specification for Threaded Couplings,Steel,3.1.8.2 Threads only(no couplings),if desired,Black or Zinc-Coated(Galvanized)Welded or Seamless,3.1.8.3 Plain end.if desired.for Use in Steel Pipe J
21、oints3.1.8.4 Couplings power tight,if desired,B6 Specification for Zinc3.1.8.5 Taper-tapped couplings for NPS 2 DN 50andE29 Practice for Using Significant Digits in Test Data tosmaller,if desired,Determine Conformance with Specifications3.1.9 Close coiling,if desired(see 7.2.2).E213 Practice for Ult
22、rasonic Testing of Metal Pipe and3.1.10 Nondestructive electric test for seamless pipe(seeTubing9.2)E273 Practice for Ultrasonic Testing of the Weld Zone of3.1.11 Certification(see Section 20).Welded Pipe and Tubing3.1.12 Report of the length of the end effect,if desired(seeE309 Practice for Eddy Cu
23、rrent Examination of Steel Tubu-9.2.7).lar Products Using Magnetic Saturation3.1.13 Marking(see Section 21).E570 Practice for Flux Leakage Examination of Ferromag-3.1.14 End use of pipe,netic Steel Tubular Products3.1.15 Special requirements,E1806 Practice for Sampling Steel and Iron for Determina-3
24、.1.16 Supplementary requirements,if any,tion of Chemical Composition3.1.17 Selection of applicable level of preservation and2.2 ANSI Standards:packaging and level of packing required,if other than asASC X12specified or if MIL-STD-163 applies(see 22.1),andB1.20.1 Pipe Threads,General Purpose3.1.18 Pa
25、ckaging and package marking,if desired(see2.3 ASME Standard:23.1).B36.10M Welded and Seamless Wrought Steel Pipe34.Materials and Manufacture2.4 Military Standards:MIL-STD-129 Marking for Shipment and Storage4.1 The steel for both seamless and welded pipe shall beMIL-STD-163 Steel Mill Products Prepa
26、ration for Shipmentmade by one or more of the following processes:open-hearth,and Storageelectric-furnace,or basic-oxygen.2.5 Federal Standards:4.2 If steels of different grades are sequentially strand cast,Fed.Std.No.123 Marking for Shipment(Civil Agencies)identification of the resultant transition
27、 material is requiredFed.Std.No.183 Continuous Identification Marking of IronThe steel producer shall remove the transition material by anyand Steel Productsestablished procedure that positively separates the grades.2.6 API Standard:4.3 The weld seam of electric-resistance welded pipe in5B Specifica
28、tion for Threading,Gauging,and Thread In-Grade B shall be heat treated after welding to a minimum ofspection of Casing,Tubing,and Line Pipe Threadss1000 F 540 Cso that no untempered martensite remains,orotherwise processed in such a manner that no untempered3.Ordering Informationmartensite remains.3
29、.1 Information items to be considered,if appropriate,for4.4 When pipe is cold expanded,the amount of expansioninclusion in the purchase order are as follows:shall not exceed 12%of the specified outside diameter of the3.1.1 Specification designation(A53 or A53M,includingpipe.year-date),3.1.2 Quantity
30、(feet,metres,or number of lengths),5.Chemical Composition3.1.3 Grade(A or B).3.1.4 Type(F,E,or S;see 1.2),5.1 The steel shall conform to the requirements as to3.1.5 Finish(black or galvanized),chemical composition given in Table 1 and the chemicalanalysis shall be in accordance with Test Methods,Pra
31、ctices,and Terminology A751.4 Available from American National Standards Institute(ANSD),25 W.43rd St.,4th Floor.New York.NY 10036.http:/www.ansi.org.6.Product AnalysisAvailable from American Society of Mechanical Engineers(ASME).ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,ht
32、tp:/6.1 The purchaser is permitted to perform an analysis of twowww.asme.org.pipes from each lot of 500 lengths,or fraction thereof.Samples6 Available from Standardization Documents Order Desk,DODSSP,Bldg.4.for chemical analysis,except for spectrographic analysis,shallSection D.700 Robbins Ave.Phila
33、delphia,PA 19111-5098be taken in accordance with Practice E1806.The chemicalAvailable from General Services Administration.Washington.DC 20405.Available from American Petroleum Institute(API).1220 L.St.,NW,composition thus determined shall conform to the requirementsWashington,DC 20005-4070,http:/ap
34、i-ec.api.org.given in Table 1.Copyright by ASTM Intl(all rights reserved):Mon Jul 2007:40:31 EDT 2020 2Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorizedA53/A53M-20TABLE 1 Chemical RequirementsComposition,max,%CarbonMa
35、nganesePhosphorusSulfurCopperNickelChromiumMolybdenumVanadiumAType S(seamless pipe】Grade A0.2560.950.050.0450.400.400.400.150.08Grade B0.30c1.200.050.0450.400.400.400.150.08Type E(electric-resistance-welded)Grade A0.2550.950.050.0450.400.400.400.150.08Grade B0.30c1.200.050.0450.400.400.400.150.08Typ
36、e F(furnace-welded pipe)Grade A0.301.200.050.0450.400.400.400.150.084 The total composition for these five elements shall not exceed 1.00%SFor each reduction of 0.01%below the specified carbon maximum,an increase of 0.06%manganese above the specified maximum will be permitted up to a maximum0f1.359%
37、CFor each reduction of 0.01 below the specified carbon maximum,an increase of 0.06%manganese above the specified maximum will be permitted up to a maximumof1.65%6.2 If the analysis of either pipe does not conform to the7.2 Bend Test:requirements given in Table 1,analyses shall be made on7.2.1 For pi
38、pe NPS 2 DN 50or smaller,a sufficient lengthadditional pipes of double the original number from the sameof pipe shall be capable of being bent cold through 90 aroundlot,each of which shall conform to the specified requirements.a cylindrical mandrel,the diameter of which is twelve times thespecified
39、outside diameter of the pipe,without developing7.Mechanical Propertiescracks at any portion and without opening the weld.7.1 Tension Test:7.2.2 If ordered for close coiling,the pipe shall stand being7.1.1 For tension tests other than transverse weld tensionbent cold through 180 around a cylindrical
40、mandrel,thetests,the yield strength corresponding to a permanent offset ofdiameter of which is eight times the specified outside diameter0.2 of the gage length or to an extension of 0.5 of the gageof the pipe,without failure.length under load,the tensile strength,and the elongation in 27.2.3 Double-
41、extra-strong pipe over NPS 14 DN 32needin.or 50 mm shall be determined,and the tension test resultsnot be subjected to the bend test.shall conform to the applicable tensile property requirementsgiven in Table 2.7.3 Flattening Test:7.1.2 For transverse weld tension tests,the tensile strength7.3.1 The
42、 flattening test shall be made on welded pipe overshall be determined,and the tension test results shall conformNPS 2 DN 50in extra-strong weight or lighter.to the applicable tensile strength requirement given in Table 2.7.3.2 Seamless Pipe:7.1.3 Electric-resistance-welded pipe NPS 8 DN 200or7.3.2.1
43、 Although testing is not required,pipe shall belarger shall be tested using two transverse test specimens,onecapable of meeting the flattening test requirements of Supple-taken across the weld and one taken opposite the weld.mentary Requirement S1,if tested.7.1.4 Transverse tension test specimens sh
44、all be approxi-7.3.3 Electric-Resistance-Welded Pipe:mately 1 in.38 mmwide in the gage length and shall7.3.3.1 A test specimen at least 4 in.100 mmin lengthrepresent the full wall thickness of the pipe from which the testshall be flattened cold between parallel plates in three steps,specimens were c
45、ut.with the weld located either 0 or 90 from the line of directionof force as required by 7.3.3.2 or 7.3.3.3,whichever isapplicable.During the first step,which is a test for ductility ofTABLE 2 Tensile Requirementsthe weld,except as allowed by 7.3.5,7.3.6,and 7.3.7,no cracksGrade AGrade Bor breaks o
46、n the inside or outside surface at the weld shall beTensile strength,min,psi MPa4800033060000415present before the distance between the plates is less than twoYield strength,min,psi MPa3000020535000240Elongation in 2 in.or 50 mmA日ABthirds of the specified outside diameter of the pipe.As a secondThe
47、minimum elongation in 2 in.50 mmshall be that determined by thestep,the flattening shall be continued as a test for ductilityfollowing equation:away from the weld.During the second step,except as allowed=6250001940A02/U0.9by 7.3.6 and 7.3.7,no cracks or breaks on the inside or outsidesurface away fr
48、om the weld shall be present before the distancewhere:between the plates is less than one third of the specified outsideminimum elongation in 2 in.or 50 mm in percent,rounded to the nearestpercent,diameter of the pipe but is not less than five times the specifiedthe lesser of 0.75 in.2 500 mm2and th
49、e cross-sectional area of thewall thickness of the pipe.During the third step,which is a testtension test specimen,calculated using the specified outside diameter offor soundness,the flattening shall be continued until the testthe pipe,or the nominal width of the tension test specimen and thespecifi
50、ed wall thickness of the pipe,with the calculated valuespecimen breaks or the opposite walls of the test specimenrounded to the nearest 0.01 in.2 1 mm2,andmeet.Evidence of laminated or unsound material or of incom-specified minimum tensile strength,psi MPa.plete weld that is revealed by the flatteni
51、ng test shall be causeSee Table X4.1 or Table X4.2,whichever is applicable,for the minimumfor rejection.elongation values that are required for various combinations of tension testspecimen size and specified minimum tensile strength.7.3.3.2 For pipe produced in single lengths,the flatteningtest specified in 7.3.3.1 shall be made using a test specimenCopyright by ASTM Intl(all rights reserved):Mon Jul 2007:40:31 EDT 20203Downloaded/printed byUniversity of Michigan(University of Michigan)pursuant to License Agreement.No further reproductions authorized