1、Designation: B444 06 (Reapproved 2011)Standard Specification forNickel-Chromium-Molybdenum-Columbium Alloys(UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube1This standard is issued under the fixed designation B444; the number immediately following th
2、e designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for
3、use by agencies of the Department of Defense.1. Scope*1.1 This specification2covers nickel-chromium-molybdenum-columbium alloys (UNS N06625 and UNSN06852) and nickel-chromium-molybdenum-silicon alloy(UNS N06219)* in the form of cold-worked seamless pipe andtube. The general requirements for pipe and
4、 tube are coveredby Specification B829.1.1.1 UNS N06625 products are furnished in two grades ofdifferent heat-treated conditions:1.1.1.1 Grade 1 (annealed)Material is normally em-ployed in service temperatures up to 1100F (593C).1.1.1.2 Grade 2 (solution annealed)Material is normallyemployed in serv
5、ice temperatures above 1100F (593C) whenresistance to creep and rupture is required.NOTE 1Hot-working or reannealing may change properties signifi-cantly, depending on working history and temperatures.1.1.2 Alloys UNS N06219 and UNS N06852 are supplied inthe solution annealed condition only.1.2 The
6、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 onlyand are not considered standard.1.3 The following precautionary caveat pertains only to thetest methods portion, Section 9, o
7、f this specification: 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 p
8、roduct/material as 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:3B829 Specification for General Requirements for Nickeland Nickel Alloys Seamless Pip
9、e and Tube3. General Requirement3.1 Material furnished under this specification shall con-form to the applicable requirements of Specification B829unless otherwise provided herein.4. Ordering Information4.1 Orders for material to this specification shall includeinformation with respect to the follow
10、ing:4.1.1 Alloy name or UNS number,4.1.2 ASTM designation,4.1.3 Condition (temper) (see 1.1.1, 1.1.2, Section 6, andAppendix X1 and Appendix X2),4.1.3.1 If neither grade of N06625 is specified, Grade 1 willbe supplied.4.1.4 Finish (See Appendix X2),4.1.5 Dimensions:4.1.5.1 TubeSpecify outside diamet
11、er 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 RequirementsSpeci
12、fy testpressure if other than required by 9.1.1,1This 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 May 1, 2011. Published May
13、2011. Originallyapproved in 1966. Last previous edition approved in 2006 as B444 06. DOI:10.1520/B0444-06R11.* New designation established in accordance with Practice E527 and SAEJ 1086, Practice for Numbering Metals and Alloys (UNS).2For ASME Boiler and Pressure Vessel Code applications see related
14、 Specifi-cation SB-444 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.1*A Summary
15、 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.4.1.9 CertificationState if certification is required,4.1.10 Samples for Product (Check) AnalysisStatewhether samples for product
16、(check) analysis should be fur-nished (see 5.2),4.1.11 Purchaser InspectionIf purchaser wishes to wit-ness tests 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
17、 (ConverterSizes)See Appendix X1 and Table 1.5. Chemical Composition5.1 The material shall conform to the composition limitsspecified in Table 2. One test is required for each lot as definedin Specification B829.5.2 If a product (check) analysis is performed by thepurchaser, the material shall confo
18、rm to the product (check)analysis variations in Table 2 of Specification B829.6. Mechanical Properties and Other Requirements6.1 Tension TestThe material shall conform to the tensileproperties specified in Table 1. The sampling and specimenpreparation are as covered in Specification B829.6.2 Hydrost
19、atic or Nondestructive Electric TestEach pipeor tube shall be subjected to either the hydrostatic test or to thenondestructive electric test. The type of test to be used shall beat the option of the manufacturer, unless otherwise specified inthe purchase order.7. Dimensions and Permissible Variation
20、s7.1 Permissible variations for material specified as small-diameter and light-wall tube (converter size) shall conform tothe permissible variations prescribed in Table X1.1 and TableX1.2.8. Number of Tests8.1 Chemical AnalysisOne test per lot.8.2 TensionOne test per lot.8.3 Hydrostatic or Nondestru
21、ctive 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 B829. The allowable fiber stress for material inthe con
22、dition furnished, is as follows:UNS N06625:Grade 130 000 psi (207 MPa)Grade 225 000 psi (172 MPa)UNS N06219:All24 000 psi (165 MPa)UNS N06852:All21 000 psi (145 MPa)9.1.1 When so agreed upon by the manufacturer and pur-chaser, pipe or tube may be tested to 112 times the allowablefiber stress given a
23、bove.9.1.2 If any pipe or tube shows leak during hydrostatictesting, it shall be rejected.9.2 Nondestructive Electric TestEach pipe or tube shall beexamined with a nondestructive electric test as per prescribedin Specification B829.10. Keywords10.1 seamless pipe; seamless tube; N06219; N06625TABLE 1
24、 Room Temperature Tensile Properties and HeatTreatment Including Small Diameter and Light-Wall Tubing(Converter Sizes)ABConditionTensileStrength,min, ksi(MPa)CYieldStrength(0.2 %offset),min, ksi(MPa)CElongationin2 in. or 50.8mm (or 4D),min, %Alloy N06625Grade 1 (annealed)D120 (827) 60 (414) 30Grade
25、2 (solution annealed)E100 (690) 40 (276) 30Alloy N06219All (solution annealed) 96 (660) 39 (270) 30Alloy N06852All (solution annealed) 85 (586) 35 (241) 30ANot applicable to outside diameters under18 in. (3.2 mm) and to wallthicknesses under 0.015 in. (0.38 mm).BHot forming quality pipe and tubing i
26、s furnished to chemical requirements andsurface inspection only. No tensile properties are required.CThe minimum strength values apply only to tubing in straight lengths.DAnnealed at 1600F (871C) minimum.ESolution annealed at 2000F (1093C) minimum, with or without subsequentstabilization anneal at 1
27、800F (982C) minimum to increase resistance to sensi-tization.TABLE 2 Chemical RequirementsElementComposition Limits, %N06852 N06625 N06219Carbon 0.05 max 0.10 max 0.05 maxManganese 0.50 max 0.50 max 0.50 maxSilicon 0.50 max 0.50 max 0.70-1.10Phosphorus 0.015 max 0.015 max 0.020 maxSulfur 0.015 max 0
28、.015 max 0.010 maxChromium 20.0-23.0 20.0 min 18.0-22.0. 23.0 max .Columbium + tantalum . 3.15 min . 4.15 max .Columbium 0.51-1.00 . .Cobalt (if determined) . 1.0 max 1.0 maxMolybdenum 8.0-10.0 8.0 min 7.0-9.010.0 max .Iron 15.0-20.0 5.0 max 2.0-4.0Aluminum 0.40 max 0.40 max 0.50 maxTitanium 0.40 ma
29、x 0.40 max 0.50 maxCopper . . 0.50 maxNickelABal. 58.0 min Bal.AElement shall be determined arithmetically by difference.B444 06 (2011)2APPENDIXES(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
30、 a limitedrange of sizes and the manufacturer should be consulted as tothe various outside diameters and wall thicknesses that may befurnished. Material will have a bright finish. Such materialshall conform to the requirements in Tables X1.1 and X1.2.X2. CONDITIONS AND FINISHES NORMALLY SUPPLIEDX2.1
31、 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.X2.2 Cold-Worked Tube and PipeX2.2.1 ColdDrawn, Annealed or
32、Solution Annealed withGround Outside DiameterThe inside diameter may have abright finish when material is annealed or solution annealed ina protective atmosphere; otherwise, the inside diameter issupplied descaled as necessary. It is available in sizes12 to 4 in.(12.7 to 102 mm), incl, in outside di
33、ameter in both normal andheavy-wall tube, and pipe sizes, all schedules, of correspond-ing outside-diameter dimensions.X2.2.2 ColdDrawn, Annealed or Solution Annealed andPickled (Not Ground)Outside and inside diameter will havedull, matte (pickled) surfaces. Available in sizes12 to 658 in.(12.7 to 1
34、68 mm), incl, in outside diameter in both normal andheavy-wall tube, and pipe sizes, all schedules, of correspond-ing outside-diameter dimensions.TABLE X1.1 Permissible Variations for Small-Diameter and Light-Wall Tube (Converter Sizes)A,B,C,D,E ,F,GSpecified Outside Diameter, in. (mm)Outside Diamet
35、er Inside Diameter Wall Thickness, %PlusMinus, in.(mm)Plus Minus Plus MinusUnder332 (2.4)332 to316 (2.4 to 4.8), excl0.002 (0.05)0.003 (0.08)00000.002 (0.05)0.003 (0.08)10101010316 to12 (4.8 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
36、) 10 10AOvality, Normal-Wall TubeOvality will be held within 2 % of the theoretical average outside diameter.BOvality, Light-Wall TubeOvality will be held within 3 % of the theoretical average outside diameter.CWall Tolerances, Light-Wall TubeThe plus and minus wall tolerance shown in the table shal
37、l 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 60.0005 in. (0.013 mm).DRandom Lengths:Where nominal random lengths on tubing18 in. (3.2 mm) and larger in outside diameter are specified, a length tolerance
38、 of 6312 ft (1.07 m) applies to the nominal length.This is a total spread of 7 ft (2.13 m).Random lengths in sizes18 in. (3.2 mm) and larger in outside diameter shall be subject to a length range of 5 to 24 ft (1.52 to 7.32 m). Long random lengths are subjectto a range from 15 to 22 ft (4.57 to 6.71
39、 m).Random lengths in sizes up to, but not including18 in. (3.2 mm) in outside diameter, and fragile light-wall tubes over this outside diameter are subject to the length rangefrom 1 to 15 ft (0.30 to 4.57 m).ECut LengthsTolerances on cut lengths shall be in accordance with Table X1.1.FStraightnessR
40、ound tubing is subject to a straightness tolerance of 1 part in 600 equivalent to a depth of arc of 0.030 in. (0.76 mm) in any 3 ft (0.91 m) of length.GWhen specified, the tolerance spreads of this table may be applied as desired. However, when not specified, the tolerances in this table will apply.
41、 It should be notedthat inside diameter tolerances are based upon the outside diameter range.TABLE X1.2 Tolerances on Cut Lengths of Light-Wall TubeLength, ft (m) Tube Size, in. (mm)Permissible Variations, in. (mm)Over UnderUnder 1 (0.30)1 to 4 (0.30 to 1.22), inclup to 1.250 (31.8), inclup to 1.250
42、 (31.8), incl132 (0.8)116 (1.6)0(0)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) 0 (0)B444 06 (2011)3SUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the last issue (B4
43、44 - 04)that may impact the use of this standard. (Approved December 1, 2006.)(1) Introduction of nondestructive electric test in lieu ofhydrostatic test at the option of the manufacturer.(2) Revision of 4.1, 6.2, 8.3, 9.1.2, and 9.2.ASTM International takes no position respecting the validity of an
44、y 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.This standard is subject to rev
45、ision 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 International Headquarters. Your
46、 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 below.This standard is copyr
47、ighted 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 ASTM website (www.astm.org/COPYRIGHT/).B444 06 (2011)4
