1、44I中33i1i车API Spee 5LXTwenty-Fourth EditionMarch 1982APISPECIFICATIONforHIGH-TEST LINE PIPEOFFICIAL PUBLICATIONREG.U.S.PATENT OFFICEAMERICAN PETROLEUM INSTITUTEWashington,D.C.0Issued byAMERICAN PETROLEUM INSTITUTEProduction Department211 N.Ervay,Suite 1700Dallas TX 75201aatacnmrmaCopyright1982 Ameri
2、can Petroleum InstituteUsers of this publication should become completely familiar with its scope and content.including any provisions it may have regarding marking of manufactured products.Thisdocument is intended to supplement rather than replace individual engineering judgment.2American Petroleum
3、 InstituteTABLE OF CONTENTSPageSuggestions for Crdering3ForewordSect.1:Scope50De,gg。g。,。g。年。4。年。4.4。g。t，t，”￥”t4”￥”￥”Sect.2:Process of Manufacture.8Sect.3:Chemical Properties and Tests.7Sect.4:Physical Properties and Tests.9Sect.5:Hydrostatic Tests.14Sect.6:Dimensions,Weights,and Lengths.15Sect.7:Non
4、destructive Inspection.28Sect.8:Workmanship,Visual Inspection,and Repair of Defects.34Sect.9:Marking and Coatings.37Appendix A:Specification for Welded Jointers.39Appendix B:Repair-Welding Procedure and Welder Performance Tests.40Appendix C:Metric Tables.42Appendix D:Elongation Table.53Appendix E:Su
5、pplementary Requirements.54Appendix F:Guided Bend Test Jig Dimensions.59Appendix G:List of Authorized Manufacturers.67Appendix H:Use of API Monogram.69NoteThis edition supersedes the 23rd edition dated March 1980.ItRequests for permission to reproduce ortranslate all oranyincludes changes adopted at
6、 the 1980 1981 meetings.part of the material published herein should be addressed toThis specification was originally adopted November 1947.Itthe Director,Prodnction Department,211 N.Ervay.Suitewas issued as tentativein 1948 and reissued as standardin1700.Dallas.Texas 75201.1949.Subsequent editions
7、have been issued in 1951.1953.1954.1956,1957.1958,1960,1962.1963.1965.1966,1967,1968,19691970,1971,1973.1975,1977.1978.and1980.Spee 5LX:High-Test Line PipeSUGGESTIONS FOR ORDERING API HIGH-TEST LINE PIPEIn placing orders for high-test line pipe to be manufactured in accordance with API Spec 5LX,thep
8、urchaser should specify the following on the purchase order:Specification.A PI Spec 5LXQuantityGradeTable 3.1,4.1Process of manufacture:Pipe.Par.2.1Material.Par.2.2Outside diameter.Table 6.1Weight per foot or wall thickness,.Table 6.1Length.Par.6.5Mill inspection by purchaser.Par.8.1.8.2Delivery dat
9、e and shipping instruetions.The purchaser should also state on the purchase order his requirements concerning the followingstipulations,which are optional with the purchaser:Heat analysis.Par.8.2Product analysis.,.Par.3.3n35Acceptance of jointers.Par.6.9Alternative end finish.Par.67Bare pipe-special
10、 coatings.Par.9.6Markings in metric units.,.,.Par.9.3c,di,9.4Method of welding jointers.Appendix AAttention is called to the following stipulations which are subject to agreement between thepurchaser and the manufacturer:Intermediate grades.Par.11,3.l,41,Table B1Intermediate diameters.Par.6.2Interme
11、diate wall thiekness.Par.6.3Supplementary fracture toughness test.Par.4.17,App.ESupplementary color identification.App.ESupplementary nondestructive inspectionof seamless pipe.App.ESupplementary hydrostatie test.Par.5.4Average length.,.,.Par.6.5Marking requirements,.Par.9.2.9.3g.9.4,9.5SPECIAL NOTE:
12、NOTHING IN THIS SPECIFICATION SHOULD BE INTERPRETED AS INDICATING APREFERENCE BY THE COMMITTEE FOR ANY MATERIAL OR PROCESS,OR AS INDI-CATING EQUALITY BETWEEN THE VARIOUS MATERIALS OR PROCESSES.IN THESELECTION OF MATERIALS AND PROCESSES,THE PURCHASER MUST BE GUIDEDBY HIS EXPERIENCE AND BY THE SERVICE
13、 FOR WHICH THE PIPE IS INTENDED.American Petroleum InstituteForeworda.This specification is under the jurisdiction of the Com-strength than for pipe manufactured under API Spec 5L.mittee on Standardization of TubulaGoods of the AmericanPetroleum Institute,and was prepared with the cooperationof the
14、American Gas Association.c.Although high-test line pipe meeting this specification isprimarily intended for field make-up by circumferential weld-b.The purpose of this specification is to provide standardsing,the manufacturer will not assume responsibility for fieldfor more rigorously tested line pi
15、pe having greater tensilewelding.d.Metric units in this specification are shown in italic type and in the text and most tables in parentheses.Outside diameters andwall thicknesses are converted from inch dimensions.The converted values are rounded to the nearest 0.1 mm for diameters lessthan 18 in.a
16、nd to the nearest 1.0 mm for diameters 18 in.and larger.Wall thicknesses are rounded to the nearest 0.1 mm.Metric inside diameters and drift diameters are calculated from the metrie outside diameters and wall thicknesses and roundedto the nearest 0.】mm.Metric plain-end weights are calculated from th
17、e metric outside diameters and wall thicknesses by the following formula androunded to the nearest.0.01 kg./m.W=.02466(D-ttMetric hydrostatic test pressures are calculated from the metric outside diameters and wall thicknesses and metric fiber stressesas shown in Section 5.The factors used where con
18、versions are appropriate are as follows:1 inch(in.)=25.4 millimeters(mm)exactly1 square inch(sq.in.)=645.16 square millimeters(mm2)exactly1 foot(ft)=0.3048 meters(m)exactly1 pound(lb)=0.45359 kilograms(kg)I pound per foot(Ib/ft)1.4882 kilograms per meter(kg/m)1 pound per square inch(psi)=6.895 kilop
19、ascals(kPa)for pressure=0.006895 megapascals(MPa)for stress1 foot-pound=1.3558 Joules(J)for impact energy=1.3558 newton-meters(Nm)for torqueThe following formula was used to convert degrees Fahrenheit(F)to degrees Celsius(C):C=5/9(F-32)Spee 5LX:High-Test Line Pipe5SECTION 1SCOPENOTE:The grade design
20、ations used herein comprisefor the manufacture,sale,or use in connection with anythe letter Xfollowed by the first two digits of the specifiedmethod,apparatus or product covered by letters patent,norminimum yield strength.as insuring anyone against liability for infringement of letters1.1 Coverage.T
21、his specification covers high-test line pipepatent.in grades X42,X46,X52,X56,X60,X65,X70.and gradesintermediate thereto.The chemical composition and certain1.4 API specifications may be used by anyone desiring tophysical properties of intermediate grades are subject todo so.and every effort has been
22、 made by the Institute toagreement between the purchaser and manufacturer.Theassure the accuracy and reliability of the data contained inagreed upon requirements must be consistent with the corthem.However,the Institute makes no representation,war-responding requirements for grades X42,X46,X52.X56.r
23、anty or guarantee in connection with the publication of anyX60.X65 and X70.Pipe manufactured as grade X60 or higherAPI specification and hereby expressly disclaims any liabilityshall not be substituted for pipe ordered for grade X52 andor responsibility for loss or damage resulting from their use,lo
24、wer without purchaser approval.Requirements for throughfor any violation of any federal,state or municipal regulationthe-flowline(TFL)pipe are provided in Appendix E.Supplewith which an API specification may confliet,or for the in-mental Requirements.fringement of any patent resulting from the use o
25、f an APIspecification.1.2 Policy.American Petroleum Institute(API)specifica-tions are published as an aid to procurement of standarizedequipment and materials.These specifications are not in-1.5 The use of the API monogram is a warranty bytended to inhibit purchasers and producers from purchasingthe
26、 manufacturer to the purchaser that the manufac-or producing produets made to specifications other than API.turer has obtained a license to use the monogram and,and nothing in any API specification is intended to in any wayfurther,that the product which bears the monograminhibit the purchase of prod
27、ucts from companies not author.conforms to the applicable API specification.The mark-ized to use the API monogram.*ing requirements,including the API monogram,are anintegral part of API speeifications.Products purchased1.3 Nothing contained in any API specification is to beto API specifications must
28、 be marked in accordanceconstrued as granting any right,by implication or otherwise,with the requirements of the marking section of theappropriate specification.However,the American Pe-troleum Institute does not represent,warrant guar-*The API monogramis a registered trademarkantee that products bearing the API monogram do infact conform to the applicable API standard orof the American Petroleum Institute.specification.