1、Designation: B 757 00 (Reapproved 2006)Standard Specification forNickel-Chromium-Molybdenum-Tungsten-Alloys (UNSN06110) Welded Pipe1This standard is issued under the fixed designation B 757; the number immediately following the designation indicates the year oforiginal adoption or, in the case of re
2、vision, 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. Scope1.1 This specification covers welded UNS N061102pipe inthe annealed condition (temper) for general co
3、rrosion applica-tions.1.2 This specification covers pipe sizes in schedules shownin Table 1.1.3 The values stated in inch-pound units are to be regardedas the standard. The SI units in parentheses are provided forinformation only.1.4 The following precautionary caveat pertains only to thetest method
4、 portion, Section 13, 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 identified in the appropriate Material Safety Data
5、 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:3E8 Test Methods for Tension Testing of Metallic MaterialsE29
6、Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of High-Temperature,Electrical, Magnetic, and Other Similar Iron, Nickel, andCobalt Alloys4E 213 Practice for Ultrasonic Examination of Metal Pipeand TubingE 354 Test Metho
7、ds for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron,Nickel, and Cobalt AlloysE 527 Practice for Numbering Metals and Alloys (UNS)E 571 Practice for Electromagnetic (Eddy-Current) Exami-nation of Nickel and Nickel Alloy Tubular Products2.2 ANSI Standards:B2.1 Pi
8、pe Threads5B36.19 Stainless Steel Pipe53. Classification3.1 Class 1Welded, cold-worked, annealed, and nonde-structively tested in accordance with 11.4.1.3.2 Class 2Welded, cold-worked, annealed, and nonde-structively tested in accordance with 11.4.2.4. Ordering Information4.1 Orders for material to
9、this specification shall include thefollowing information:4.1.1 Alloy Name or UNS number.4.1.2 ASTM Designation.4.1.3 Dimensions:4.1.3.1 Pipe size (see Table 1).4.1.3.2 Length (specific or random).4.1.4 Class (see 11.4).4.1.5 Quantity (feet or number of pieces).4.1.6 CertificationState if certificat
10、ion is required (seeSection 16).4.1.7 Samples for Product (Check) AnalysisState whethersamples for product (check) analysis should be furnished(10.2).4.1.8 Purchaser InspectionIf purchaser wishes to witnesstests or inspection of material at place of manufacture, thepurchase order must so state indic
11、ating which tests or inspec-tions are to be witnessed (see Section 14).5. Materials and Manufacture5.1 Pipe shall be made from flat-rolled alloy by an auto-matic welding process with no addition of filler metal. Subse-quent to welding and prior to final annealing, the material shallbe cold-worked in
12、 either the weld metal only or both weld andbase 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 June 1, 2006. Publis
13、hed June 2006. Originallyapproved in 1990. Last previous edition approved in 2000 as B 757 - 00.2New designation established in accordance with Practice E 527 and SAEJ1086, Recommended Practice for Numbering Metals and Alloys (UNS).3For referenced ASTM standards, visit the ASTM website, www.astm.org
14、, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Withdrawn.5Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.1Copyright
15、ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2 Pipe shall be furnished with oxide removed. Whenbright annealing is used, descaling is not necessary.6. Chemical Composition6.1 The material shall conform to the composition limitsspecified in
16、 Table 2.6.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the product (check)analysis variations in Table 3.7. Mechanical and Other Requirements7.1 Mechanical PropertiesThe material shall conform tothe mechanical properties specified in Table 4.7.2 Flatte
17、ning TestA section of pipe not less than 4 in.(102 mm) in length shall be capable of withstanding, withoutcracking, flattening under a load applied gradually at roomtemperature until the distance between the platens is five timesthe wall thickness. The weld shall be positioned 90 from thedirection o
18、f the applied flattening force.7.2.1 Superficial ruptures resulting from surface imperfec-tions shall not be a cause for rejection.7.3 Nondestructive Test RequirementsTube shall be sub-jected to a pressure test or nondestructive electric test at themanufacturers option (see 13.2).7.3.1 Acceptance an
19、d RejectionMaterial producing a sig-nal equal to or greater than the calibration imperfection shall besubject to rejection.7.3.1.1 Test signals produced by imperfections that cannotbe identified or produced by cracks or crack-like imperfectionsshall result in rejection of the pipe, subject to rework
20、 and retest.To be accepted, the material shall pass the same electric test towhich it was originally subjected provided that the dimensionalrequirements are met.TABLE 1 Dimensions of Welded PipeANOTE 1The following table is a partial reprint of Table 1 of the American National Standard for Stainless
21、 Steel Pipe (ANSI B36.19).NOTE 2The decimal thicknesses for the respective pipe sizes represent their nominal wall dimensions.Nominal PipeSize in.Outside Diameterin. (mm)Nominal Wall Thickness, in. (mm)Schedule5SASchedule10SSchedule40S18 0.405 (10.29) . 0.049 (1.25) 0.068 (1.73)14 0.540 (13.72) . 0.
22、065 (1.65) 0.088 (2.24)38 0.675 (17.15) . 0.065 (1.65) 0.091 (2.31)12 0.840 (21.34) 0.065 (1.65) 0.083 (2.11) 0.109 (2.77)34 1.050 (26.67) 0.065 (1.65) 0.083 (2.11) 0.113 (2.87)1 1.315 (33.40) 0.065 (1.65) 0.109 (2.77) 0.133 (3.38)114 1.660 (42.16) 0.065 (1.65) 0.109 (2.77) 0.140 (3.56)112 1.900 (48
23、.26) 0.065 (1.65) 0.109 (2.77) 0.145 (3.68)2 2.375 (60.33) 0.065 (1.65) 0.109 (2.77) 0.154 (3.91)212 2.875 (73.03) 0.083 (2.11) 0.120 (3.05) .3 3.500 (88.90) 0.083 (2.11) 0.120 (3.05) .312 4.000 (101.6) 0.083 (2.11) 0.120 (3.05) .4 4,500 (114.3) 0.083 (2.11) 0.120 (3.05) 0.237 (6.02)5 5.563 (141.3)
24、0.109 (2.77) 0.134 (3.40) .6 6.625 (168.3) 0.109 (2.77) 0.134 (3.40) .ASchedules 5S and 10S wall thicknesses do not permit threading in accordance with the American National Standard for Pipe Threads (ANSI B2.1).TABLE 2 Chemical RequirementsAComposition Limits,%UNSN06110Ni 51.0 minCr 28.033.0Fe 1.0
25、maxMo 9.012.0W 1.04.0C 0.15 maxMn 1.0 maxSi 1.0 maxP 0.015 maxS 0.015 maxAl 1.0 maxTi 1.0 maxCu 0.5 maxCb 1.0 maxAElement may be determined arithmetically by difference.TABLE 3 Product (Check) Analysis Chemical CompositionVariationsElementSpecified Limit ofElement, % inclVariation Under min orOver m
26、ax of theSpecifiedLimit of ElementsNi over 40.0 to 60.0 0.35Cr over 25.0 to 35.0 0.25Fe up to 1.0 0.05Mo over 9.0 to 12.0 0.15W over 1.0 to 4.0 0.07C over 0.0 to 0.20 0.01Mn up to 1.0 0.05Si over 0.25 to 1.0 0.05P upto0.04 0.005S upto0.02 0.003over 0.02 to 0.06 0.005Al over 0.10 to 1.0 0.05Ti over 0
27、.10 to 0.50 0.03over 0.50 to 1.0 0.04over 1.0 to 2.0 0.05Cb over 0.1 to 1.0 0.04Cu up to 0.50 0.03TABLE 4 Mechanical Property RequirementsAlloyTensile strengthmin, psi (MPa)Yield strength0.2 % offsetmin, psi(MPa)Elongationin 2 in. or50 mm,min, %UNS N06110 95000 (655) 45000 (310) 60B 757 00 (2006)27.
28、3.1.2 If the imperfection is judged as injurious, the pipeshall be rejected but may be reconditioned and retestedproviding the dimensional requirements are met. To be ac-cepted, retested material shall meet the original electric testrequirements.7.3.1.3 If the imperfection is explored to the extent
29、that itcan be identified as noninjurious, the material may be acceptedwithout further test provided the imperfection does not en-croach on the minimum wall thickness.8. Dimensions and Permissible Variations8.1 Diameter and Wall ThicknessOutside diameter andnominal wall thickness shall not exceed the
30、 permissible varia-tions prescribed in Table 5.8.1.1 Material having a specified wall thickness that is 3 %or less of the outside diameter cannot be straightened properlywithout a certain amount of ovality resulting in the diameter.The limits to this ovality are stated in Footnote C to Table 5.8.2 S
31、traightness Material shall be reasonably straight andfree of bends or kinks.8.3 LengthVariations from the specified length shall notexceed the amounts prescribed in Table 6.9. Workmanship, Finish, and Appearance9.1 The material shall be uniform in quality and temper,smooth, commercially straight, an
32、d free of injurious imperfec-tions.10. Sampling10.1 Lot Definition:10.1.1 A lot for chemical analysis shall consist of one heat.10.1.2 Alot for mechanical properties and flattening testing,shall consist of all material from the same heat, nominal size(excepting length), and condition (temper).10.2 T
33、est Material Selection:10.2.1 Chemical AnalysisRepresentative samples fromeach lot shall be taken during pouring or subsequent process-ing.10.2.1.1 Product (check) analysis shall be wholly the re-sponsibility of the purchaser.10.2.2 Mechanical Properties and Flattening TestingSamples of the material
34、 to provide test specimens shall betaken from such locations in each lot as to be representative ofthat lot.11. Number of Tests11.1 Chemical AnalysisOne test per lot.11.2 Mechanical PropertiesOne test per lot.11.3 FlatteningOne test per lot.11.4 Nondestructive:11.4.1 Class 1Each piece in each lot sh
35、all be subjectedto one of the following four tests, hydrostatic, pneumatic (airunderwater), eddy current, or ultrasonic.11.4.2 Class 2Each piece in each lot shall be subjectedto a leak test and an electric test as follows:11.4.2.1 Leak TestHydrostatic or pneumatic (air under-water).11.4.2.2 Electric
36、 TestEddy current or ultrasonic.11.4.3 The manufacturer shall have the option to test toClass 1 or 2 and select the nondestructive test methods, if notspecified by the purchaser.12. Specimen Preparation12.1 Tension test specimens shall be taken from material inthe final condition (temper) and tested
37、 in the direction offabrication.12.1.1 Whenever possible, all material shall be tested in fulltubular size. When testing in full tubular size is not possible,longitudinal strip specimens shall be used. In the event ofdisagreement when full tubular testing is not possible, alongitudinal strip specime
38、n with reduced gage length ascontained in Test Methods E8shall be used.13. Test Methods13.1 The chemical composition, mechanical, and otherproperties of the material as enumerated in this specificationshall be determined, in case of disagreement, in accordancewith the following methods:TABLE 5 Permi
39、ssible Variations in Outside DiameterAand WallThicknessBIPSPermissible Variations in OutsideDiameter, in. (mm)C+18 0.005(0.13) 0.005(0.13)14 0.005(0.13) 0.005(0.13)38 0.0075(0.19) 0.0075(0.19)12 0.0075(0.19) 0.0075(0.19)34 0.010(0.25) 0.0075(0.19)1 0.010(0.25) 0.0075(0.19)114 0.010(0.25) 0.010(0.25)
40、112 0.015(0.38) 0.010(0.25)2 0.018(0.46) 0.010(0.25)212 0.018(0.46) 0.010(0.25)3 0.025(0.64) 0.010(0.25)312 0.025(0.64) 0.015(0.38)4 0.025(0.64) 0.015(0.38)5 0.025(0.64) 0.020(0.51)6 0.025(0.64) 0.030(0.76)AThese permissible variations in outside diameter apply only to material asfinished at the mil
41、l before subsequent swaging, expanding, bending, polishing, orother fabricating operations.BWall thickness variation shall not exceed 6 12 % of the nominal wall thickness.COvality is the difference between maximum and minimum outside diametermeasured at any one cross section. There is no additional
42、tolerance for ovality onmaterial having a nominal wall thickness of more than 3 % of the outside diameter.On this material, the average of maximum and minimum outside diametermeasurements will fall within the outside diameter tolerance shown in the tableabove. An additional ovality allowance of twic
43、e the outside diameter tolerancespreads shown above, applied one half plus and one half minus, is allowed formaterial having nominal wall thickness of 3 % or less of nominal outside diameter.TABLE 6 Permissible Variations in LengthsAOutside diameter in.(mm)Cut length, in. (mm)Over UnderUnder 2 (50.8
44、)18 (3) 02 (50.8) and over316 (5) 0AThese permissible variations in length apply to pipe before bending. Theyapply to cut lengths up to and including 24 ft (7.3 m). For lengths over 24 ft, anadditional over-tolerance of18 in. (3 mm) for each 10 ft (3.0 m) or fraction thereofshall be permissible up t
45、o a maximum additional over-tolerance of12 in. (12.7 mm).B 757 00 (2006)3Test ASTM DesignationChemical analysis E38, E 354ATension E8Rounding procedure E29AMethods E38is to be used only for elements not covered by Test MethodsE 354.13.2 Nondestructive Tests:13.2.1 Hydrostatic TestTest each piece at
46、a pressure notexceeding 1000 psi (6.9 MPa), calculated as follows:P 5 2St/D, or (1)S 5 PD/2t (2)where:P = hydrostatic test pressure, psi or MPa;S = allowable fiber stress as follows: UNS N06110-35000psi (242 MPa);t = specified wall thickness, in. or mm; andD = specified outside diameter, in. or mm.1
47、3.2.1.1 Hold the test pressure for a minimum of 5 s.13.2.1.2 Make visual examination when the material isunder pressure. Examine the full length of material for leaks. Ifany pipe shows leaks during the hydrostatic test, reject it.13.2.2 Pneumatic (Air Underwater) TestTest each pieceat a pressure of
48、150 psi (1.05 MPa).13.2.2.1 Hold the test pressure for a minimum of 5 s.13.2.2.2 Make visual examination when the material issubmerged and is under pressure. Examine the full length ofmaterial for leaks. If any piece shows leaks during the test,reject it.13.2.3 Electric TestGive each pipe an electri
49、c test inaccordance with either Practice E 213 or Practice E 571. Foreddy-current testing, the calibration pipe shall contain, at theoption of the producer, any one of the following discontinuitiesto establish a minimum sensitivity level for rejection. Thediscontinuity shall be placed in the weld if visible.13.2.3.1 Drill HoleDrill a hole, not larger than 0.031 in.(0.79 mm) in diameter, radially and completely through thewall, taking care to avoid distortion of the material whiledrilling.13.2.3.2 Transverse Tangential NotchUsing
