ASTM B464-2005(2009) Standard Specification for Welded UNS N08020 N08024 and N08026 Alloy Pipe.pdf

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1、Designation: B 464 05 (Reapproved 2009)Standard Specification forWelded UNS N08020, N08024, and N08026 Alloy Pipe1This standard is issued under the fixed designation B 464; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year o

2、f 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. Scope*1.1 This specification2covers welded UNS N08020,N08024, and N08026 alloy pipe for general corrosion-resistingand low- o

3、r high-temperature service.1.2 The pipe covered is nominal pipe sizes up to andincluding NPS 6, with the nominal wall thicknesses given asSchedules 5S, 10S, and 40S and nominal pipe sizes up to andincluding NPS 2, also including Schedule 80S. Table 2 ofSpecification B 775 is based on Table A1 of ANS

4、I B36.19 andgives the nominal dimensions of these sizes. Table 3 ofSpecification B 775 lists the dimensional requirements of thesesizes. Pipe having other dimensions may be furnished providedsuch pipe complies with all other requirements of this specifi-cation.1.3 The values stated in inch-pound uni

5、ts 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.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsib

6、ility of the user of this standard to become familiarwith all hazards including those identified in the appropriateMaterial Safety Data Sheet (MSDS) for this product/materialas provided by the manufacturer, to establish appropriatesafety and health practices, and determine the applicability ofregula

7、tory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3A 262 Practices for Detecting Susceptibility to Intergranu-lar Attack in Austenitic Stainless SteelsB 775 Specification for General Requirements for Nickeland Nickel Alloy Welded PipeB 899 Terminology Relating to Non-ferrous Me

8、tals andAlloys2.2 ANSI Standard:B36.19 Stainless Steel Pipe43. Terminology3.1 Definitions:3.1.1 Definitions for terms defined in Terminology B 899shall apply unless otherwise defined by the requirements of thisdocument.4. General Requirement4.1 Material furnished in accordance with this specificatio

9、nshall conform to the applicable requirements of the currentedition of Specification B 775 unless otherwise providedherein.5. Ordering Information5.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification. Examples of such

10、 requirements include, but arenot limited to, the following:5.1.1 Quantity (feet or number of lengths),5.1.2 UNS number,5.1.3 Size (nominal pipe size and schedule),5.1.4 Length (random or specific),5.1.5 ASTM designation,5.1.6 Product AnalysisState if required,5.1.7 CertificationState if a certifica

11、tion or a report of testresults is required,5.1.8 Purchaser InspectionState which tests or inspec-tions are to be witnessed, if any, and5.1.9 Supplementary requirements, if any.6. Materials and Manufacture6.1 The pipe shall be made from flat-rolled stock by anautomatic welding process with no additi

12、on of filler metal.1This specification is under the jurisdiction 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 Oct. 1, 2009. Published October 2009. Originallyapproved

13、 in 1967. Last previous edition approved in 2005 as B 464 05.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SB-464 in Section II of that code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org.

14、For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1*A Summary of Changes section appears at the end of thi

15、s standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.2 Heat TreatmentPipe of UNS N08020 alloy shall befurnished in the stabilized-annealed condition. Pipe of UNSN08024 alloy shall be furnished in the annealed condition. Pipeof

16、 UNS N08026 alloy shall be furnished in the solution-annealed condition.NOTE 1The recommended annealing temperatures are 1800 to1850F (982 to 1010C) for UNS N08020, 1925 to 1975F (1052 to1079C) for UNS N08024, and 2050 to 2200F (1121 to 1204C) for UNSN08026.7. Chemical Composition7.1 The material sh

17、all conform to the composition limitsspecified in Table 1. One test is required for each lot as definedin Specification B 775.7.2 If a product analysis is performed, it shall meet thechemistry limits prescribed in Table 1, subject to the analysistolerances specified in Specification B 775.8. Mechani

18、cal Properties and Other Requirements8.1 Mechanical PropertiesThe material shall conform tothe mechanical property requirements specified in Table 2. Onetest is required for each lot as defined in Specification B 775.8.2 Flattening TestA flattening test shall be made on eachend of one pipe per lot.

19、Superficial ruptures resulting fromsurface imperfections shall not be cause for rejection.8.3 Nondestructive Test RequirementsEach pipe shall besubjected to either a pressure test or a nondestructive electrictest at the manufacturers option. The purchaser may specifywhich test is to be used.8.4 Tran

20、sverse Guided Bend TestAt the option of the pipemanufacturer, the transverse guided bend test may be substi-tuted in lieu of the flattening test. Two bend specimens shall betaken transversely from pipe or the test specimens may betaken from a test plate of the same material and heat as pipe,which is

21、 attached to the end of the cylinder and welded as aprolongation of the pipe longitudinal seam. One test is requiredfor each lot as defined in Specification B 775.9. Lengths9.1 Lengths may be ordered as either random lengths(normally 15 to 24 ft (4.6 to 8.3 m) with some agreed uponallowance for shor

22、ts) or specific cut lengths.10. Keywords10.1 welded pipe; N08020; N08024; N08026SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall be applied only when specified by the purchaserin the inquiry, contract, or order:S1. Corrosion TestsS1.1 One intergranular corrosion test per lot

23、shall be per-formed by the manufacturer on a sensitized specimen andtested in accordance with Practices A 262. When this supple-mentary requirement is specified, the specific practice (PracticeB or Practice E) shall also be specified. If Practice B isspecified, the specimen must pass with a rate of

24、less than 0.002in. (0.05 mm) per month. A lot for intergranular corrosiontesting shall be the same as for mechanical testing.S1.1.1 In addition to the anneal recommended in Note 1, thespecimen shall be sensitized for1hat1250F (677C) beforebeing subjected to corrosion testing.S1.1.2 If any corrosion

25、test specimen fails the test, thematerial represented by such specimens may be reheat-treatedand resubmitted for test.TABLE 1 Chemical RequirementsElementComposition,%UNS N08020 UNS N08024 UNS N08026Carbon, max 0.07 0.03 0.03Manganese, max 2.00 1.00 1.00Phosphorus,max0.045 0.035 0.03Sulfur, max 0.03

26、5 0.035 0.03Silicon, max 1.00 0.50 0.50Nickel 32.0038.00 35.0040.00 33.0037.20Chromium 19.0021.00 22.5025.00 22.0026.00Molybdenum 2.003.00 3.505.00 5.006.70Copper 3.004.00 0.501.50 2.004.00Columbium(Nb) +8 3 carbon1.00 0.150.35tantalumNitrogen . . 0.100.16IronAremainder remainder remainderABy differ

27、ence.TABLE 2 Mechanical Property RequirementsTensile Strength,min, ksi (MPa)Yield Strength,min, ksi (MPa)Elongation in 2 in.(50.8 mm), min, %80 (551) 35 (241) 30.0B 464 05 (2009)2SUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the last issue (B

28、464 04)that may impact the use of this standard.(1) Added Transverse Guided Bend Test option.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determinati

29、on of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdr

30、awn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your

31、comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).B 464 05 (2009)3