1、Designation: B 444 06Standard 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 B 444; the number immediately following the designation in
2、dicates 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 (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies
3、 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 tube are cover
4、edby Specification B 829.1.1.1 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 service temperatur
5、es 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 following prec
6、autionary caveat pertains only to thetest methods portion, Section 9, of 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 id
7、entified in the appropriate Material Safety Data Sheet(MSDS) for this product/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:3B 829 Specifi
8、cation for General Requirements for Nickeland Nickel Alloys Seamless Pipe and Tube3. General 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 Orders for material
9、to this specification shall includeinformation with respect to the following: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 Fin
10、ish (See Appendix X2),4.1.5 Dimensions:4.1.5.1 TubeSpecify outside 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 TestSp
11、ecify type of test (see 6.2),4.1.8 Hydrostatic Pressure RequirementsSpecify 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),1
12、This 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 Dec. 1, 2006. Published January 2007. Originallyapproved in 1966. Last previ
13、ous edition approved in 2004 as B 444 - 04.* 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 related Specifi-cation SB-444 in Section II of that Code.3For referenced
14、 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 of Changes section appears at the end of this standard.Copyright
15、 ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.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 b
16、e witnessed, and4.1.12 Small-Diameter and Light-Wall Tube (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 B 829.5.2 If a product (check) analy
17、sis is performed by thepurchaser, the material shall conform to the product (check)analysis variations in Table 2 of Specification B 829.6. Mechanical Properties and Other Requirements6.1 Tension Test The material shall conform to the tensileproperties specified in Table 1. The sampling and specimen
18、preparation are as covered in Specification B 829.6.2 Hydrostatic 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
19、 inthe purchase order.7. Dimensions and Permissible Variations7.1 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
20、 lot.8.2 TensionOne test per lot.8.3 Hydrostatic 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 withSpecific
21、ation B 829. The allowable fiber stress for material inthe condition 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 tub
22、e may be tested to 112 times the allowablefiber stress given above.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 B 829.10. K
23、eywords10.1 seamless pipe; seamless tube; N06219; N06625TABLE 1 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),m
24、in, %Alloy N06625Grade 1 (annealed)D120 (827) 60 (414) 30Grade 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 u
25、nder 0.015 in. (0.38 mm).BHot forming quality pipe and tubing is 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 (1093
26、C) minimum, with or without subsequentstabilization anneal at 1800F (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
27、-1.10Phosphorus 0.015 max 0.015 max 0.020 maxSulfur 0.015 max 0.015 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
28、 max 2.0-4.0Aluminum 0.40 max 0.40 max 0.50 maxTitanium 0.40 max 0.40 max 0.50 maxCopper . . 0.50 maxNickelABal. 58.0 min Bal.AElement shall be determined arithmetically by difference.B444062APPENDIXES(Nonmandatory Information)X1. CONVERTER SIZESX1.1 Small-diameter and light-wall tube in outside dia
29、m-eters 114 in. (31.8 mm) and under may be furnished in 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
30、 X1.2.X2. 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.X2.2
31、Cold-Worked Tube and PipeX2.2.1 ColdDrawn, Annealed or 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 i
32、n sizes12 to 4 in.(12.7 to 102 mm), incl, in outside diameter 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 (pickl
33、ed) surfaces. Available in sizes12 to 658 in.(12.7 to 168 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
34、 ,F,GSpecified Outside Diameter, in. (mm)Outside Diameter 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 t
35、o 114 (12.7 to 31.8), incl 0.005 (0.13) 0 0 0.005 (0.13) 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 TubeTh
36、e 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 60.0005 in. (0.013 mm).DRandom Lengths:Where nominal random lengths on tubing18 in. (3.2 mm) and large
37、r in outside diameter are specified, a length tolerance 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 lengt
38、hs are subjectto a range from 15 to 22 ft (4.57 to 6.71 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 length
39、s shall be in accordance with Table X1.1.FStraightnessRound 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
40、not specified, the tolerances in this table will apply. It should be notedthat inside diameter tolerances are based upon the outside diameter range.TABLE X1.2 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
41、(0.30 to 1.22), inclup to 1.250 (31.8), inclup to 1.250 (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)B444063SUMMARY OF CHANGESCommittee B02 has identified the location of selected ch
42、anges to this standard since the last issue (B 444 - 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
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46、t 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).B444064
