1、Designation: B804 02 (Reapproved 2013)Standard Specification forUNS N08367 and UNS N08926 Welded Pipe1This standard is issued under the fixed designation B804; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisi
2、on. 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 specification covers UNS N08367 and UNSN08926 welded pipe for general corrosion applications. (Al-though no restrictions are
3、 placed on the sizes of pipe that maybe furnished under this specification, commercial practice iscommonly limited to sizes not less than 8 in. nominal diam-eter.)1.2 Six classes of pipe are covered as follows:1.2.1 Class 1 pipe shall be double welded by processesemploying filler metal in all passes
4、 and shall be completelyradiographed.1.2.2 Class 2 pipe shall be double welded by processesemploying filler metal in all passes. No radiography is re-quired.1.2.3 Class 3 pipe shall be double welded by processesemploying filler metal in all passes except the inside root weldmay be made without the a
5、ddition of filler metal. Welds are tobe completely radiographed.1.2.4 Class 4 pipe shall be double welded by processesemploying filler metal in all passes except the inside root weldmay be made without the addition of filler metal. No radiog-raphy is required.1.2.5 Class 5 pipe shall be single welde
6、d by processesemploying filler metal in all passes except that the passexposed to the inside pipe surface may be made without theaddition of filler metal. Welds are to be completely radio-graphed.1.2.6 Class 6 pipe shall be single welded by processesemploying filler metal in all passes except that t
7、he passexposed to the inside pipe surface may be made without theaddition of filler metal. No radiography is required.1.3 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 onl
8、yand are not considered standard.1.4 The following safety hazards caveat pertains only to thetest methods portion, Section 13, of this standard: This stan-dard does not purport to address all of the safety concerns, ifany, associated with its use. It is the responsibility of the userof this standard
9、 to become familiar with all hazards includingthose identified in the appropriate Material Safety Data Sheet(MSDS) for this product/material as provided by themanufacturer, to establish appropriate safety and healthpractices, and determine the applicability of regulatory limi-tations prior to use.2.
10、 Referenced Documents2.1 ASTM Standards:2A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsB625 Specification for UNS N08925, UNS N08031, UNSN08932, UNS N08926, UNS N08354, and UNS
11、 R20033Plate, Sheet, and StripB688 Specification for Chromium-Nickel-Molybdenum-Iron (UNS N08366 and UNS N08367) Plate, Sheet, andStripB880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel, Nickel Alloys andCobalt AlloysB899 Terminology Relating to Non-ferrous Meta
12、ls and Al-loysE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of Nickel-Chromiumand Nickel-Chromium-Iron Alloys (Withdrawn 1989)3E354 Test Methods for Chemical
13、 Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron,Nickel, and Cobalt AlloysE1019 Test Methods for Determination of Carbon, Sulfur,Nitrogen, and Oxygen in Steel, Iron, Nickel, and CobaltAlloys by Various Combustion and Fusion Techniques1This specification is under the jurisd
14、iction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Feb. 1, 2013. Published February 2013. Originallyapproved in 1989. Last previous edition approved in 2007 as B804
15、02 (2007).DOI: 10.1520/B0804-02R13.2For 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 to the standards Document Summary page onthe ASTM website.3The last approved version
16、 of this historical standard is referenced onwww.astm.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E1473 Test Methods for Chemical Analysis of Nickel,Cobalt, and High-Temperature Alloys2.2 ASME Boiler and Pressure Vessel Code:4
17、Section VIII, Division 1 Rules for Construction of PressureVesselsSection IX Qualification Standard for Welding and BrazingProcedures, Welders, Brazers, and Welding and BrazingOperators2.3 American Welding Society Standards:5AWS A5.11 Nickel and Nickel Alloy Covered Welded Elec-trodesAWS A5.14 Nicke
18、l and Nickel Alloy Bare Welding Rodsand Electrodes3. Terminology3.1 Terms defined in Terminology B899 shall apply unlessotherwise defined in this standard.4. Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thi
19、sspecification. Examples of such requirements include, but arenot limited to, the following:4.1.1 Quantity (feet or number of lengths),4.1.2 Class (see 1.2),4.1.3 Size (outside diameter and minimum wall thickness),4.1.4 Length (specific or random),4.1.5 ASTM specification number,4.1.6 Authorization
20、for repair of plate defects by weldingwithout prior approval if such is intended (see 9.4),4.1.7 Circumferential weld permissibility (see 8.3.2), and4.1.8 Supplementary requirements.5. Materials and Manufacture5.1 MaterialsThe starting material shall conform to therequirements of Specification B688
21、for UNS N08367 andSpecification B625 for UNS N08926.5.2 Manufacture:5.2.1 The joints shall be double or single welded, fullpenetration welds made in accordance with ASME Boiler andPressure Vessel Code, Section IX.5.2.2 The welds shall be made either manually or automati-cally by an electric process
22、involving the deposition of fillermetal according to the class specified.5.2.3 The weld surface on either side of the weld shall beflush with the base plate or shall have a reasonably uniformcrown, not to exceed18 in. (3.2 mm). Any weld reinforcementmay be removed at the manufacturers option or by a
23、greementbetween the manufacturer and purchaser. The contour of thereinforcement shall be reasonably smooth and free of irregu-larities. The deposited metal shall be fused uniformly into theplate surface. No concavity of contour is permitted unless theresulting thickness of weld metal is equal to or
24、greater than theminimum thickness of the adjacent base metal.5.2.4 Weld defects shall be repaired by removal to soundmetal and rewelding. Subsequent heat treatment and inspectionshall be as required on the original welds.5.3 Heat TreatmentThe recommended heat treatment shallconsist of heating to a m
25、inimum temperature of 2025F forUNS N08367 and 2012F for UNS N08926 followed byquenching in water or rapidly cooling by other means.6. Chemical Composition6.1 The chemical composition of the pipe shall conform tothe requirements in Table 1 of Specification B688 for UNSN08367 and Table 1 of Specificat
26、ion B625 for UNS N08926.6.2 The alloy content of the deposited weld metal shallconform to that required for the plate or the welding electrodesas shown in Specification AWS A5.11 for ENiCrMo-3,ENiCrMo-4, and ENiCrMo-10 or AWS A5.14 for ERNiCrMo-10, ERNiCrMo-3, and ERNiCrMo-4.6.3 If product analysis
27、is made of the plate or weld metal bythe purchaser, the chemical composition thus determined shallconform to the requirements specified in 6.1 and 6.2 subject tothe permissible tolerances in Specification B880.7. Mechanical Properties and Other Requirements7.1 Mechanical Properties:7.1.1 The mechani
28、cal properties of the plate shall be inaccordance with Table 1. Tension tests made by the platemanufacturer shall qualify the plate material.7.1.2 Transverse tension tests taken across the welded jointshall have the same minimum ultimate tensile strength as thespecified minimum ultimate tensile stre
29、ngth of the plate.7.2 Transverse Guided Weld Bend Test RequirementsBends made in accordance with Fig. 1 shall be acceptable if nocracks or other imperfections exceeding18 in. (3.2 mm) in anydirection are present in the weld metal or between the weld andthe pipe metal after bending. Cracks that origi
30、nate along theedges of the specimen during testing, and that are less than14in. (6.3 mm) measured in any direction, shall not be consid-ered.7.3 Pressure TestAny pipe that shows leaks during thepressure test conducted in accordance with 13.4 shall berejected, but any leaking areas may be cut out and
31、 the piperetested as above.7.4 Radiographic ExaminationFor Classes 1, 3, and 5pipe, radiographic examination shall be in accordance with the4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.5A
32、vailable from American Welding Society (AWS), 550 NW LeJeune Rd.,Miami, FL 33126, http:/www.aws.org.TABLE 1 Mechanical Property RequirementsGageTensile Strength, min Yield Strength, minElongationin 2 in. or50.8 mm,min, %ksi MPa ksi MPaUNSN08367#316 100 690 45 310 30316 95 655 45 310 30UNSN0892694 65
33、0 43 295 35B804 02 (2013)2requirements of the ASME Boiler and Pressure Vessel Code,Section VIII, latest edition, Paragraph UW-51.8. Dimensions, Mass, and Permissible Variations8.1 Permissible variations in dimensions at any point in alength of pipe shall not exceed the following:8.1.1 Outside Diamet
34、erBased on circumferentialmeasurement, 60.5 % of the nominal outside diameter.8.1.2 Out-of-RoundnessDifferences between major andminor outside diameters, 1.0 % of the specified outside diam-eter.8.1.3 Alignment (Camber)Using a 10-ft (3-m) straight-edge placed so that both ends are in contact with th
35、e pipe, thecamber shall not be more than18 in. (3.17 mm).8.2 ThicknessThe minimum wall thickness at any point inthe pipe shall not be more than 0.01 in. (0.25 mm) under thenominal thickness.8.3 Lengths:8.3.1 The lengths required shall be specified in the orders.8.3.2 Circumferentially welded joints
36、of the same quality asthe longitudinal joints shall be permitted by agreement betweenthe manufacturer and the purchaser.9. Workmanship, Finish, and Appearance9.1 Pipe shall be furnished with smooth ends, free of burrs.9.2 The finished pipe shall be free of injurious defects andshall have a workmanli
37、ke finish.9.3 Repair of Plate Defects by Machining or GrindingPipe showing moderate slivers may be machined or groundinside or outside to a depth that shall ensure the removal of allincluded scale and slivers, provided the wall thickness is notreduced below the specified minimum wall thickness. Mach
38、in-ing or grinding shall follow inspection of the pipe as rolled andshall be followed by supplementary visual inspection.9.4 Repair of Plate Defects by WeldingRepair of injuriousdefects shall be permitted only with the approval of thepurchaser. Defects shall be thoroughly chipped out beforewelding.
39、The repairs shall be radiographed and if the pipe itselfhas already been heat treated, it shall then be heat treated againexcept in the case of small welds that, in the estimation of thepurchasers inspector, do not require heat treatment. Eachlength of pipe repaired in this manner shall be hydrostat
40、icallytested after being repaired.9.5 The pipe shall be sandblasted or pickled to remove allscale and then passivated.10. Sampling10.1 Lots for Chemical Analysis and Mechanical Testing:10.1.1 Heat AnalysisA lot shall consist of one heat.10.1.2 Mechanical TestingA lot shall consist of the mate-rial o
41、f the same nominal size from one heat and condition.10.2 Sampling for Chemical Analysis:10.2.1 A representative sample shall be taken by the platemanufacturer during pouring or subsequent processing.10.2.2 Product analysis, if performed, shall be wholly theresponsibility of the purchaser.10.3 Sampli
42、ng for Mechanical PropertiesTransverse ten-sion and bend test specimens shall be cut after final heatNOTE 11 in. = 25.4 mm.Test Specimen Thickness, in. A B C D38 11234 238 1316t 4t 2t 6t +18 3t +116FIG. 1 Guided-Bend Test JigB804 02 (2013)3treatment from the end of the finished pipe or from a test p
43、lateof the same material as the pipe that is attached to the end ofthe cylinder and welded as a prolongation of the longitudinalpipe seam.11. Number of Tests and Retests11.1 Chemical AnalysisOne test per lot.11.2 Transverse Tension TestOne per lot.11.3 Transverse Guided Weld Bend TestOne face bendan
44、d one root bend per lot (Fig. 2).11.4 Pressure TestEach pipe shall be subjected to thepressure test.11.5 Retests:11.5.1 If the results of any mechanical tests of pipe materialof any lot do not conform to the requirements specified inSection 7, retests shall be made on double the original numberfrom
45、the same lot, each of which shall conform to therequirements specified.11.5.2 If the results of the mechanical tests of any lot do notconform to the requirements specified, such lot may bereworked and resubmitted. The same number of tests asoriginally specified shall be required on reworked and resu
46、b-mitted pipe.12. Specimen Preparation12.1 The test specimens required by this specification shallconform to those described in Test Methods and DefinitionsA370.12.2 The transverse tension and bend test specimens shallbe flattened cold before final machining to size if flattening isrequired.12.3 Ten
47、sion and bend test specimens shall be the fullthickness of the material as rolled and shall be machined to theform and dimensions shown in Fig. 2, Fig. 3, and Fig. 4.12.4 If any test specimen shows flaws or defectivemachining, it may be discarded and another specimen substi-tuted.13. Test Methods13.
48、1 The chemical composition and mechanical propertiesof the material as enumerated in this specification shall bedetermined, in case of disagreement, in accordance with thefollowing ASTM methods:13.1.1 Chemical AnalysisMethods E38 and Test MethodsE354. Iron shall be determined arithmetically by diffe
49、rence.Methods E38 is to be used only for elements not covered byTest Methods E354. Use Test Methods E1019 for Nitrogen.13.1.2 Tension TestTest Methods E8.13.2 For the purposes of determining compliance with thelimits in this specification, an observed value or a calculatedvalue shall be rounded as indicated, in accordance with therounding method of Practice E29:Requirements Rounded unit for observed orcalculated valueChemical Composition andtoleranceNearest unit in the last right-handplace of figures of the specifiedlimitTensile strength and
