1、Designation: B626 15Standard Specification forWelded Nickel and Nickel-Cobalt Alloy Tube1This standard is issued under the fixed designation B626; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number
2、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 specification covers welded tubes made from thenickel and nickel-cobalt alloys (UNS N10001, UNS N10242,UNS N10665, UNS N12160, UNS N1062
3、9, UNS N10624,UNS N10675, UNS N10276, UNS N06455, UNS N06007,UNS N06975, UNS N08320, UNS N06985, UNS N06002,UNS N06022, UNS N06030, UNS N06035, UNS N06058,UNS N06059, UNS N06200, UNS N06617, UNS N10362,UNS N06210, UNS N08031, UNS R30556, UNS N06230,UNS N06686, and UNS R20033)2listed in Table 1 inten
4、dedfor heat exchanger and condenser tubes and tubes for generalcorrosive service for heat-resisting applications.1.2 This specification covers tube18 to 312 in. (3.2 to 88.9mm) in outside diameter and 0.015 to 0.148 in. (0.41 to 3.7mm) inclusive, in wall thickness.1.3 The values stated in inch-pound
5、 units 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 therespo
6、nsibility of the user of this standard to become familiarwith all hazards including those identified in the appropriateSafety Data Sheet (SDS) for this product/material as providedby the manufacturer, to establish appropriate safety and healthpractices, and determine the applicability of regulatory
7、limi-tations prior to use.2. Referenced Documents2.1 ASTM Standards:3B751 Specification for General Requirements for Nickel andNickel Alloy Welded TubeE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)3. General Requirements3.1 Material furnished in accordance with th
8、is specificationshall conform to the applicable requirements of the currentedition of Specification B751 unless otherwise providedherein.4. Classification4.1 Five classes of tube are covered as follows:4.1.1 Class IAWelded, sized, solution annealed, and non-destructively tested in accordance with 4.
9、2.1.4.1.2 Class IBWelded, sized, and solution annealed.4.1.3 Class IIAWelded, cold worked, solution annealed,and nondestructively tested in accordance with 4.2.1.4.1.4 Class IIBWelded, cold worked, and solution an-nealed.4.1.5 Class IIIWelded, cold worked, solution annealed,and nondestructively test
10、ed in accordance with 4.2.2.4.2 Nondestructive Tests:4.2.1 Class IA and Class IIA TubesEach finished tubeshall be subjected to the hydrostatic test, the pneumatic test, orthe eddy current test at the manufacturers option.4.2.2 Class III TubesEach finished tube shall be subjectedto the pneumatic test
11、 and the eddy current test. Tubes largerthan 112 in. (38.1 mm) in outside diameter may be subjected tothe hydrostatic test in lieu of the pneumatic test at themanufacturers option.5. Ordering Information5.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for m
12、aterial ordered under thisspecification. Examples of such requirements include, but arenot limited to the following:5.1.1 Alloy (Table 1),5.1.2 Class (see 4),5.1.3 Quantity (feet or number of lengths),5.1.4 Size (outside diameter and average wall thickness),5.1.5 Length (cut or random),5.1.6 Certifi
13、cationState if certification or a report of testresults is required,5.1.7 Purchaser InspectionState which tests or inspec-tions are to be witnessed,1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.0
14、7 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Oct. 1, 2015. Published November 2015. Originallyapproved in 1977. Last previous edition approved in 2014 as B626 14. DOI:10.1520/B0626-15.2New designations established in accordance with Practic E527 and SAE J1086,Practice for
15、 Numbering Metals and Alloys (UNS).3For 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.*A Summary of Changes sect
16、ion appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE1ChemicalRequirementsCompositionLimits,%NiCrMoFeWCSimaxCoMnVPmaxSmaxTiCuCb(Nb)+TaAlZrLaNBCb(Nb)TaNi+MoMgNi-MoAlloysN10001remainder1.0max26.0-3
17、0.04.0-6.0.0.05max1.02.5 max1.0max0.2-0.40.040.03.N10665remainder1.0max26.0-30.02.0max.0.02max0.101.0max1.0max.0.040.03.N1067565.0min1.0-3.027.0-32.01.0-3.03.0 max0.01max0.103.0max3.0max0.20max0.0300.0100.20max0.20max.0.50max0.10max.0.20max0.20 max94.0-98.0N10629remainder0.5-1.526.0-30.01.0-6.0.0.01
18、max0.052.5max1.5max.0.040.01.0.5max.0.1-0.5.N10624remainder6.0-10.021.0-25.05.0-8.0.0.01max0.101.0max1.0max.0.0250.01.0.5max.Ni-Mo-Cr-FeAlloyN10242remainder7.0-9.024.0-26.02.0max0.03max0.801.00max0.80max0.0300.0150.50max0.50max0.006maxLowCNi-Cr-MoAlloysN10276remainder14.5-16.515.0-17.04.0-7.03.0- 4.
19、50.010max0.082.5max1.0max0.35 max0.040.03.N06022remainder20.0-22.512.5-14.52.0-6.02.5- 3.50.015max0.082.5max0.5max0.35max0.020.02.N06035remainder32.25- 34.257.60- 9.002.00max0.60 max0.050 max0.601.00 max0.50 max0.20 max0.0300.015.0.30max.0.40maxN06058balance20.0-23.018.5-21.01.5max0.3 max0.010max0.1
20、00.3 max0.50max0.0150.010.0.50max.0.40max0.02-0.15N06059balance22.0-24.015.0-16.51.5max.0.010max0.100.3max0.5max.0.0150.010.0.50max.0.1-0.4.N06455remainder14.0-18.014.0-17.03.0max.0.015max0.082.0max1.0max.0.040.030.70max.Ni-Cr-Fe-Mo-CuAlloysN06007remainder21.0-23.55.5-7.518.0-21.01.0 max0.05max1.02.
21、5 max1.0-2.0.0.040.03.1.5-2.51.75-2.5N0697547.0-52.023.0-26.05.0-7.0remainder.0.03max1.0.1.0max.0.030.030.70-1.500.70-1.20.N06985remainder21.0-23.56.0-8.018.0-21.01.5 max0.015max1.05.0 max1.0max.0.040.03.1.5-2.50.50maxN06030remainder28.0-31.54.0- 6.013.0-17.01.5- 4.00.03max0.85.0 max1.5max.0.040.02.
22、1.0-2.40.30-1.50Ni-Fe-Cr-MoAlloysN0832025.0-27.021.0-23.04.0-6.0remainder.0.05max1.0.2.5max.0.040.034xCmin.Ni-Cr-Mo-FeAlloyN06002remainder20.5-23.08.0-10.017.0-20.00.20- 1.00.05-0.151.00.5-2.51.0max.0.040.03.Ni-Fe-Cr-CoAlloyR3055619.0-22.521.0-23.02.5-4.0remainder2.0-3.50.05-0.150.20-0.8016.0-21.00.
23、50-2.00.0.040.015.0.10-0.500.001-0.100.005-0.100.10-0.300.02max0.30max0.3-1.25Ni-Cr-W-MoAlloyB626 152TABLE1ContinuedCompositionLimits,%NiCrMoFeWCSimaxCoMnVPmaxSmaxTiCuCb(Nb)+TaAlZrLaNBCb(Nb)TaNi+MoMgN06230remainder20.0-24.01.0-3.03.0max13.0-15.00.05-0.150.25-0.755.0max0.30-1.00.0.030.015.0.50 max.0.
24、005-0.050.0.015max.LowC-Ni-Cr-Mo-CuAlloyN06200remainder22.0-24.015.0-17.03.0max.0.010max0.082.0max0.50max.0.0250.010.1.3-1.9.0.50maxNi-Cr-Co-MoAlloysN0661744.5min20.0- 24.08.0- 10.03.0max.0.05- 0.151.010.0- 15.01.0 max.0.0150.6max0.5 max.0.8- 1.5.0.006.LowC-Ni-Mo-CrAlloyN10362remainder13.8- 15.621.5
25、- 23.01.25max.0.010 max0.08.0.60 max.0.0250.010.0.50 max.LowC-Ni-Fe-Cr-Mo-CuAlloyN0803130.0-32.026.0-28.06.0-7.0balance.0.015max0.3.2.0max.0.0200.010.1.0-1.4.0.15-0.25.LowC-Ni-Cr-Mo-WAlloyN06686remainder19.0-23.015.0-17.05.0max3.0-4.40.010max0.08.0.75max.0.040.020.02-0.25.Ni-Co-Cr-SiAlloyN12160remai
26、nder26.0-30.01.0max3.5max1.0max0.15max2.4-3.027.0-33.01.5max.0.0300.0150.20-0.80.1.0max.Cr-Ni-Fe-NAlloyR2003330.0-33.031.0-35.00.50-2.0balance.0.015max0.50.2.0max.0.020.01.0.3-1.20.0.35-0.60.LowC-Ni-Mo-Cr-TaAlloyN06210remainder18.0-20.018.0-20.01.0max.0.015max0.081.0max0.50.35 max0.020.02.1.5- 2.2B6
27、26 1535.1.8 EndsPlain ends cut and deburred will be furnished,unless otherwise specified, and5.1.9 Samples for Product (Check) AnalysisState whethersamples shall be furnished.6. Materials and Manufacture6.1 The tubes shall be made from flat-rolled alloy by anautomatic welding process with no additio
28、n of filler metal.6.2 Subsequent to welding and prior to final heat treatment,Class II and Class III tubes shall be cold worked either in bothweld and base metal or in weld metal only. The method andamount of cold working may be specified by the purchaser.When cold drawn, the purchaser may specify t
29、he minimumamount of reduction in cross-sectional area or wall thickness,or both.6.3 All tubes shall be furnished in the solution annealed anddescaled condition. When atmosphere control is used, descal-ing is not necessary.7. Chemical Composition7.1 The material shall conform to the requirements forc
30、hemical composition prescribed in Table 1. One test isrequired for each lot as defined in Specification B751.7.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the requirementsspecified in Table 1 subject to permissible variations specifiedin Specification
31、B751.8. Mechanical Properties and Other Requirements8.1 Mechanical PropertiesThe material shall conform tothe mechanical properties prescribed in Table 2. One test isrequired for each lot as defined in Specification B751.8.2 Flattening Test Requirements:8.2.1 Evidence of laminated or unsound materia
32、l or ofincomplete weld that is revealed during the entire flattening testshall be cause for rejection.8.2.2 Surface imperfections in the test specimens beforeflattening, but revealed during the flattening test, shall bejudged in accordance with the finish requirements.8.2.3 Superficial ruptures resu
33、lting from surface imperfec-tions shall not be cause for rejection.8.2.4 One test is required for each lot as defined in Speci-fication B751.8.3 Flange Test Requirements:8.3.1 Flange test specimens shall show no cracking or flaws.Superficial ruptures resulting from surface imperfections shallnot be
34、cause for rejection.8.3.2 For tube less than 0.093 in. (2.36 mm) in insidediameter and tube having a wall thickness equal to or greaterthan the inside diameter, the flange test shall not be required.8.3.3 One test is required for each lot as defined in Speci-fication B751.8.4 Hydrostatic TestWhen te
35、sted by the manufacturer,each tube shall be subjected to the hydrostatic test perSpecification B751.8.5 Pneumatic TestWhen tested by the manufacturer, eachtube shall be subjected to the pneumatic test per SpecificationB751.8.6 Eddy Current TestWhen tested by the manufacturer,each tube shall be subje
36、cted to an electromagnetic (eddycurrent) test per Specification B751.9. Keywords9.1 UNS N10001; UNS N10242; UNS N10665; UNSN12160; UNS N10629; UNS N10624; UNS N10675; UNSN10276; UNS N06455; UNS N06007; UNS N06975; UNSN08320; UNS N06985; UNS N06002; UNS N06022; UNSN06030; UNS N06035; UNS N06058; UNS
37、N06059; UNSTABLE 2 Mechanical PropertiesAlloyTensile Strength,min, ksi (MPa)Yield Strength(0.2 Offset) min,ksi (MPa)Elongationin2in.(50.8 mm)or 4DA,min, %Ni-MoUNS N10001 100 (690) 45 (310) 40UNS N10665 110 (760) 51 (350) 40UNS N10675 110 (760) 51 (350) 40UNS N10629 110 (760) 51 (350) 40UNS N10624 10
38、4 (720) 46 (320) 40Ni-Mo-Cr-FeUNS N10242 105 (725) 45 (310) 40Low C Ni-Cr-MoUNS N10276 100 (690) 41 (283) 40UNS N06022 100 (690) 45 (310) 45UNS N06035 85 (586) 35 (241) 30UNS N06455 100 (690) 40 (276) 40Ni-Cr-Fe-Mo-CuUNS N06007 90 (621) 35 (241) 35UNS N06975 85 (586) 32 (221) 40UNS N06985 90 (621) 3
39、5 (241) 45UNS N06030 85 (586) 35 (241) 30Ni-Fe-Cr-MoUNS N08320 75 (517) 28 (193) 35Ni-Cr-Mo-FeUNS N06002 100 (690) 40 (276) 35Ni-Fe-Cr-CoUNS R30556 100 (690) 45 (310) 40Ni-Cr-W-MoUNS N06230B110 (760) 45 (310) 40Low C-Ni-Cr-MoUNS N06058 110 (760) 52 (360) 40UNS N06059 100 (690) 45 (310) 45Low C-Ni-Cr
40、-Mo-CuUNS N06200 100 (690) 45 (310) 45Ni-Cr-Co-MoUNS N06617 95 (665) 35 (240) 35Low C-Ni-Mo-CrUNS N10362 105 (725) 45 (310) 40Low-carbon Ni-Fe-Cr-Mo-CuUNS N08031 94 (650) 40 (276) 40Low C-Ni-Cr-Mo-WUNS N06686 100 (690) 45 (310) 45Ni-Co-Cr-SiUNS N12160 90 (620) 35 (240) 40Low Carbon Cr-Ni-Fe-NUNS R20
41、033 109 (750) 55 (380) 40Low-C Ni-Mo-Cr-TaUNS N06210 100 (690) 45 (310) 45AD refers to the diameter of the tension specimen.BSolution annealed at a minimum temperature of 2200F (1204C) followed by awater quench or rapidly cooled by other means.B626 154N06200; UNS N06617; UNS N10362; UNS N06210; UNSN
42、08031; UNS N06230; UNS N06686; UNS R30556; UNSR20033; welded tubeSUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the last issue (B626-14)that may impact the use of this standard. (Approved October 1, 2015.)(1) The chemistry for MO in N06058 in T
43、able 1 was revised.Committee B02 has identified the location of selected changes to this standard since the last issue (B626-102)that may impact the use of this standard. (Approved May 15, 2014.)(1) Added alloy UNS N06617 to Scope, Table 1, Table 2, andKeywords.ASTM International takes no position r
44、especting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.Thi
45、s 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 withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Inte
46、rnational Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown
47、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). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 155
