1、Designation: B 423 05Standard Specification forNickel-Iron-Chromium-Molybdenum-Copper Alloy(UNS N08825 and N08221)* Seamless Pipe and Tube1This standard is issued under the fixed designation B 423; the number immediately following the designation indicates the year oforiginal adoption or, in the cas
2、e of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification2covers nickel-iron-chromium-molybdenum-copper alloys (UNS N08825 and N
3、08221)* inthe form of cold-worked and hot-finished seamless pipe andtube intended for general corrosive service. The generalrequirements for pipe and tube are covered in SpecificationB 829.1.2 The following precautionary caveat pertains only to thetest methods portion, Section 9, of this specificati
4、on: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to become familiar with all hazards includingthose identified in the appropriate Material Safety Data Sheet(MSDS) for this product/material as
5、 provided by the manufac-turer, to establish appropriate safety and health practices, anddetermine the applicability of regulatory limitations prior touse.2. Referenced Documents2.1 ASTM Standards:3B 829 Specification for General Requirements for Nickeland Nickel Alloys Seamless Pipe and Tube3. Gene
6、ral Requirement3.1 Material furnished under this specification shall con-form to the applicable requirements of Specification B 829unless otherwise provided herein.4. Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for the safe and sati
7、sfactoryperformance of material ordered under this specification.Examples of such requirements include, but are not limited to,the following:4.1.1 Alloy name or UNS number,4.1.2 ASTM designation,4.1.3 Condition (see Appendix X2),4.1.4 Finish (see Appendix X2),4.1.5 Dimensions:4.1.5.1 TubeSpecify out
8、side diameter and nominal orminimum wall,4.1.5.2 PipeSpecify standard pipe size and schedule,4.1.5.3 LengthCut to length or random,4.1.6 QuantityFeet (or metres) or number of pieces,4.1.7 Hydrostatic Test or Nondestructive Electric TestSpecify type of test (see 6.2).4.1.8 Hydrostatic Pressure Requir
9、ementsSpecify testpressure if other than required by 9.1.1,4.1.9 CertificationState if certification is required,4.1.10 Samples for Product (Check) AnalysisStatewhether samples for product (check) analysis should be fur-nished (see 5.2),4.1.11 Purchaser InspectionIf purchaser wishes to wit-ness test
10、s or inspection of material at place of manufacture, thepurchase order must so state indicating which tests or inspec-tions are to be witnessed, and4.1.12 Small-Diameter and Light-Wall Tube (ConverterSizes)See Appendix X1.5. Chemical Composition5.1 The material shall conform to the composition limit
11、sspecified in Table 1. One test is required for each lot as defined1This 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 Nov. 1,
12、2005. Published December 2005. Originallyapproved in 1964. Last previous edition approved in 2003 as B 423 - 03.* New designation established in accordance with Practice E 527 and SAEJ 1086, Practice for Numbering Metals and Alloys (UNS).2For ASME Boiler and Pressure Vessel Code applications see rel
13、ated specifica-tion SB-423 in Section II of that code.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.TABLE 1
14、 Chemical RequirementsElement UNS N08825 UNS N08221Nickel 38.046.0 39.046.0Chromium 19.523.5 20.022.0Iron 22.0 min 22.0 minManganese 1.0 max 1.0 maxCarbon 0.05 max 0.025 maxCopper 1.53.0 1.53.0Silicon 0.5 max 0.5 maxSulfur 0.03 max 0.03 maxAluminum 0.2 max 0.2 maxTitanium 0.61.2 0.61.0Molybdenum 2.5
15、3.5 5.06.51*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.in Specification B 829.5.2 If a product (check) analysis is performed by thepurchaser, the material shall con
16、form to the product (check)analysis variations of Specification B 829.6. Mechanical Properties and Other Requirements6.1 Tension Test The material shall conform to the tensileproperties specified in Table 2. The sampling and specimenpreparation are as covered in Specification B 829.6.1.1 Tensile pro
17、perties for material specified as small-diameter and light-wall tube (converter sizes) shall be asprescribed in Table X1.1.6.2 Hydrostatic or Nondestructive Electric TestEach pipeor tube shall be subjected to either the hydrostatic test or thenondestructive electric test. The type of test to be used
18、 shall beat the option of the manufacturer, unless otherwise specified inthe purchase order.7. Dimensions and Permissible Variations7.1 Diameter and Wall ThicknessThe permissible varia-tions in the outside diameter and wall thickness shall conformto the permissible variations prescribed in Tables 3,
19、 4, and 5 ofSpecification B 829.7.2 Permissible variations for material specified as small-diameter and light-wall tube (converter size) shall conform tothe permissible variations prescribed in Table X1.2.8. Number of Tests8.1 Chemical AnalysisOne test per lot.8.2 TensionOne test per lot.8.3 Hydrost
20、atic or Nondestructive Electric TestEachpiece in each lot.9. Test Methods9.1 Hydrostatic TestEach pipe or tube with an outsidediameter18 in. (3 mm) and larger and with wall thickness of0.015 in. (0.38 mm) and over shall be tested in accordance withSpecification B 829. The allowable fiber stress, for
21、 material inthe condition furnished, is as follows:UNS N08825 hot finished, annealed: 16 600 psi (114 MPa)UNS N08825 cold-worked, annealed: 21 200 psi (146 MPa)UNS N08221 cold finished, annealed: 19 700 psi (138 MPa)9.1.1 When so agreed upon between the manufacturer andpurchaser, pipe or tube may be
22、 tested to 112 times theallowable fiber stress given in 9.1.9.1.2 If any pipe or tube shows leaks during hydrostatictesting, it shall be rejected.9.2 Nondestructive Electric TestEach pipe or tube shall beexamined with a nondestructive electric test in accordance withSpecification B 829.10. Keywords1
23、0.1 N08221; N08825; seamless pipe; seamless tubeTABLE 2 Mechanical Properties of Pipe and TubeAlloy Condition and SizeTensile Strength,min, ksi (MPa)Yield Strength0.2 % Offset, min,ksi (MPa)Elongation in2 in. or 50mm (4D),min,%UNS N08825 hot-finished annealed 75 (517) 25 (172) 30UNS N08825 cold-work
24、ed annealed 85 (586) 35 (241) 30UNS N08825 hot-forming quality (hot-finished or cold-drawnannealed)AAAUNS N08221 cold-finished, annealed 79 (545) 34 (234) 30AHot-forming quality is furnished to chemical requirements and surface inspection only. No mechanical properties are required.B423052APPENDIXES
25、(Nonmandatory Information)X1. CONVERTER SIZESX1.1 Small-diameter and light-wall tube in outside diam-eters 114 in. (31.8 mm) and under may be furnished in theconditions listed in Table X1.1 when so specified. The materialis furnished in a limited range of sizes and the manufacturershould be consulte
26、d as to the various outside diameters andwall thicknesses that may be furnished. Material will have aright finish. Such material shall conform to the applicablerequirements in Table X1.1 and Table X1.2.TABLE X1.1 Mechanical PropertiesAof Small-Diameter and Light-Wall Tubing (Converter Sizes)Conditio
27、n Tensile Strength, ksi (MPa)Yield Strength (0.2 % offset) min,ksi (MPa)Elongation in 2 in. or 50 mm,min, %AnnealedBC85115 (586793) 35 (241) 30Half-hardD105 (724) min 75 (517) 15Full-hardE125 (862) min 100 (689) 5ANot applicable to outside diameters under18 in. (3.2 mm) and wall thickness under 0.01
28、5 in. (0.381 mm).BThis condition is sometimes designated as “No. 1 Temper.”CThe minimum tensile strength value applies only to tubing in straight lengths.DThis condition is sometimes designated as “No. 2 Temper.”EThis condition is sometimes designated as “No. 3 Temper.”TABLE X1.2 Permissible Variati
29、ons for Small-Diameter and Light-Wall Tube (Converter Sizes)ABCDEFGSpecified Outside Diameter, in.(mm)Outside Diameter, in. (mm) Inside Diameter, in. (mm) Wall Thickness, %+ +Under332 (2.4) 0.002 (0.05) 0 0 0.002 (0.05) 10 10332 to316 (2.4 to 4.8), excl 0.003 (0.08) 0 0 0.003 (0.08) 10 10316 to12 (4
30、.8 to 12.7), excl 0.004 (0.10) 0 0 0.004 (0.10) 10 1012 to 114 (12.7 to 31.8), incl 0.005 (0.13) 0 0 0.005 (0.13) 10 10AOvality, Normal Wall TubeAs-Drawn (No. 2 and 3) TempersOvality will be held within the outside diameter tolerances shown in the table.Annealed (No. 1) TemperOvality will be held wi
31、thin 2 % of the theoretical average outside diameter.BOvality, Light Wall TubeAs-Drawn (No. 2 and 3) TempersUp to but not including 114 in. (31.8 mm) in outside diameter, ovality will be held within 2 % of thetheoretical average outside diameter.Annealed (No. 1) TemperOvality will be held within 3 %
32、 of the theoretical average outside diameter.CWall Tolerances, Light Wall TubeThe plus and minus wall tolerance shown in the table shall apply down to and including 0.005 in. (0.13 mm) in wall thickness. Forwall thicknesses less than 0.005 in. (0.13 mm), the tolerance shall be 6 0.0005 in. (0.013 mm
33、).DRandom Lengths:Where nominal random lengths on tubing18 in. (3.2 mm) and larger in outside diameter are specified, a length tolerance of 6 312 ft (1.06 m) applies to the nominallength. This is a total spread of 7 ft (2.10 m).Random lengths in sizes18 in. (3.2 mm) and larger in outside diameter sh
34、all be subject to a length range of 5 to 24 ft (1.50 to 7.30 m). Long random lengths are subjectto a range of 15 to 22 ft (4.57 to 6.70 m).Random lengths in sizes up to, but not including,18 in. (3.2 mm) in outside diameter and fragile light-wall tubes over this outside diameter are subject to the l
35、ength rangeof 1 to 15 ft (0.30 to 4.57 m).ECut LengthsTolerances on cut lengths shall be in accordance with Table X1.2.FStraightnessRound tubing is subject to a straightness tolerance of one part in 600 equivalent to a depth of arc of 0.030 in. (0.76 mm) in any 3 ft (0.91 m) on length.GWhen specifie
36、d, the tolerance spreads of this table may be applied as desired. However, when not specified, the tolerances in this table will apply. It should be notedthat inside diameter tolerances are based upon the outside diameter range.TABLE X1.3 Tolerances on Cut Lengths of Light-Wall TubeLength, ft (m) Tu
37、be Size, in. (mm)Permissible Variations, in. (mm)Over UnderUnder 1 (0.30) up to 1.250 (31.8), incl132 (0.8) 0 (0)1 to 4 (0.30 to 1.22), incl up to 1.250 (31.8), incl116 (1.6) 0 (0)Over 4 to 10 (1.22 to 3.0), incl up to 1.250 (31.8), incl332 (2.4) 0 (0)Over 10 (3.0) up to 1.250 (31.8), incl316 (4.8)
38、0 (0)B423053X2. CONDITIONS AND FINISHES NORMALLY SUPPLIEDX2.1 ScopeX2.1.1 This appendix lists the conditions and finishes inwhich pipe and tube (other than converter sizes) are normallysupplied. These are subject to change, and the manufacturershould be consulted for the latest information available
39、.X2.2 Cold-Worked Tube and PipeX2.2.1 Cold-Worked, Annealed, with Ground OutsideDiameterThe inside diameter may have a bright finish whenmaterial is annealed in a protective atmosphere; otherwise, theinside diameter is supplied descaled as necessary. It is availablein sizes12 to 4 in. (12.7 to 102 m
40、m), inclusive, in outsidediameter in both normal and heavy-wall tube, and pipe sizes,all schedules, of corresponding outside-diameter dimensions.X2.2.2 Cold-Worked, Annealed, and Pickled (NotGround)Outside and inside diameter will have dull, matte(pickled) surfaces. It is available in sizes12 to 658
41、 in. (12.7 to168 mm), inclusive, in outside diameter in both normal andheavy-wall tube, and pipe sizes, all schedules, of correspond-ing outside-diameter dimensions.X2.3 Hot-Worked TubeX2.3.1 Hot-Worked-Annealed (Not Pickled) TubeHas anoxide surface resulting from the hot-working operation. In-tende
42、d generally for machined parts where the oxide surfacewill be removed.X2.3.2 Hot-Worked-Annealed (Pickled) TubeHas theoxide surface removed on both outside and inside diameters bypickling. Surface may be spot ground for removal of minorsurface imperfections at the manufacturers option.X2.3.3 Hot-Wor
43、ked-Annealed (Machined Outside and In-side Diameters) TubesThe outside and inside diametersurfaces are machined to specified dimensions. Minor surfaceimperfections may be spot ground for removal, at the manu-facturers option.SUMMARY OF CHANGESCommittee B02 has identified the location of selected cha
44、nges to this standard since the last issue (B 423 03)that may impact the use of this standard.(1) Introduction of nondestructive electric test in lieu ofhydrostatic test at the option of the manufacturer.(2) Revisions of 4.1, 6.2, 8.3, and 9.1.(3) Addition of 9.2.ASTM International takes no position
45、 respecting 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.T
46、his 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 In
47、ternational 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 show
48、n 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).B423054
