1、Designation: B 758 00 (Reapproved 2006)Standard Specification forNickel-Chromium-Molybdenum-Tungsten Alloys (UNSN06110) Welded Tube1This standard is issued under the fixed designation B 758; 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 N061102tube inthe annealed condition (temper) for general co
3、rrosion applica-tions.1.2 This specification covers outside diameter and nominalwall tube.1.2.1 The tube sizes covered by this specification are18 to 5in. (3.2 to 127 mm) in outside diameter and 0.015 to 0.148 in.(0.4 to 3.8 mm), inclusive, in wall thickness.1.3 The values stated in inch-pound units
4、 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 portion, Section 13, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated w
5、ith 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 provided by the manufac-turer, to establish appropriate safety and health practices, anddet
6、ermine the applicability of regulatory limitations prior touse.2. Referenced Documents2.1 ASTM Standards:3E8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE38 Methods for Chemical Analysis of Ni
7、ckel-Chromiumand Nickel-Chromium-Iron Alloys4E 213 Practice for Ultrasonic Examination of Metal Pipeand TubingE 354 Test Methods 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
8、Practice for Electromagnetic (Eddy-Current) Exami-nation of Nickel and Nickel Alloy Tubular Products3. Classification3.1 Class 1Welded, cold-worked, annealed, and nonde-structively tested in accordance with 11.5.1.3.2 Class 2Welded, cold-worked, annealed, and nonde-structively tested in accordance w
9、ith 11.5.2.4. Ordering Information4.1 Orders for material conforming to this specificationshall include the following information:4.1.1 Alloy name or UNS number.4.1.2 ASTM designation and year of issue.4.1.3 Dimensions:4.1.3.1 Outside diameter and nominal wall thickness.NOTE 1Tube produced to outsid
10、e diameter and minimum wall may befurnished upon agreement between the manufacturer and the purchaser.4.1.3.2 Length (specific or random).4.1.4 Class (see 11.5).4.1.5 Quantity (feet or number of pieces).4.1.6 CertificationState if certification is required (Sec-tion 16).4.1.7 Samples for Product (Ch
11、eck) 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 indicating which tests or inspec-tions are to be witnessed (Sectio
12、n 14).5. Material and Manufacture5.1 Tube 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 either the weld metal only or both weld andbase metal.5.2 Tube sh
13、all be furnished with oxide removed. Whenbright annealing is used, descaling is not necessary.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.Curren
14、t edition approved June 1, 2006. Published June 2006. Originallyapproved in 1986. Last previous edition approved in 2000 B 758 00.2New designation established in accordance with Practice E 527 and SAEJ1086, Recommended Practice for Numbering Metals and Alloys (UNS).3For referenced ASTM standards, vi
15、sit 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.4Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken
16、, PA 19428-2959, United States.6. Chemical Composition6.1 The material shall conform to the composition limitsspecified in Table 1.6.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the product (check)analysis variations in Table 2.7. Mechanical and Other P
17、roperties7.1 Mechanical PropertiesThe material shall conform tothe mechanical properties specified in Table 3.7.2 Flattening TestA section of tube not less than 4 in.(102 mm) in length shall be capable of withstanding, withoutcracking, flattening under a load applied gradually at roomtemperature unt
18、il the distance between the platens is five timesthe wall thickness. The weld shall be positioned 90 from thedirection of the applied flattening force.7.2.1 Superficial ruptures resulting from surface imperfec-tions shall not be a cause for rejection.7.3 Flange TestA section of tube shall be capable
19、 ofhaving a flange turned over at a right angle to the body of thetube without through-wall cracking. The width of the flangeshall not be less than 15 % of the tube diameter.7.4 Nondestructive Test Requirements Tube shall be sub-jected to nondestructive tests (see 13.2) at the manufacturersoption.7.
20、4.1 For ultrasonic testing, a longitudinal calibration notchshall be made on the outside diameter and inside diameter. Thedepth of the notch shall not exceed 1212 % of the specifiedwall thickness of the material or 0.004 in. (0.10 mm), which-ever is greater. Place the notch in the weld if visible.7.
21、4.2 Acceptance and RejectionMaterial producing a sig-nal equal to or greater than the calibration imperfections shallbe subject to rejection.7.4.2.1 Test signals produced by imperfections that cannotbe identified or produced by cracks or crack-like imperfectionsshall result in rejection of the tube,
22、 subject to rework and retest.To be accepted, the material shall pass the same electric test towhich it was originally subjected provided that the dimensionalrequirements are met.7.4.2.2 If the imperfection is judged as injurious, the tubeshall be rejected but may be reconditioned and retestedprovid
23、ing the dimensional requirements are met. To be ac-cepted, retested material shall meet the original electric testrequirements.7.4.2.3 If the imperfection is explored to the extent that itcan be identified as noninjurious, the material may be acceptedwithout further test provided the imperfection do
24、es 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 permissible varia-tions prescribed in Table 4.8.1.1 Material having a specified wall thickness that is 3 %,or less, of
25、 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 B to Table 4.8.2 StraightnessMaterial shall be reasonably straight andfree of bends or kinks.8.3 LengthVariations from the specified le
26、ngth shall notexceed the amounts prescribed in Table 5.9. Workmanship, Finish, and Appearance9.1 The material shall be uniform in quality and temper,smooth, commercially straight, and free of injurious imperfec-tions.TABLE 1 Chemical RequirementsElementCompositionLimits, %Product (Check)Analysis Var
27、ia-tions under minor over max, ofthe SpecifiedLimit of ElementC 0.15 max 0.01Mn 1.0 max 0.05Si 1.0 max 0.05P 0.015 max 0.005S 0.015 max 0.003Cr 28.0 min 0.2533.0 max 0.25Cb 1.0 max 0.05Co (if determined) 1.0 max 0.05Mo 9.0 min 0.1512.0 max 0.15Fe 1.0 max 0.07Al 1.0 max 0.05Ti 1.0 max 0.05W 1.0 min 0
28、.104.0 max 0.10NiA51.0 min 0.35Cu 0.5 max 0.03AElement shall be determined arithmetically by difference.TABLE 2 Product (Check) Analysis Chemical CompositionVariationsElementSpecified Limit ofElement %Variation undermin or overmax of theSpecified Limitof ElementNickel over 20.00 to 30.00, incl 0.25o
29、ver 30.00 to 40.00, incl 0.30Tungsten over 1.00 to 4.00, incl 0.04Iron over 0.75 to 2.50, incl 0.05Manganese up to 1.00, incl 0.03Carbon up to 0.20, incl 0.01Silicon over 0.25 to 0.50, incl 0.03over 0.50 to 1.00, incl 0.05Sulfur up to 0.02, incl 0.003Chromium over 25.00 to 35.00, incl 0.25Aluminum o
30、ver 0.10 to 0.50, incl 0.05over 0.50 to 1.00, incl 0.10Titanium over 0.10 to 0.50, incl 0.03over 0.50 to 1.00, incl 0.04Columbium +Tantalumup to 1.0, incl 0.04Molybdenum over 5.0 to 20.0, incl 0.15Phosphorus up to 0.04, incl 0.005TABLE 3 Mechanical Property RequirementsAlloyTensile Strengthmin, psi(
31、MPa)Yield Strength0.2 % offsetmin, psi(MPa)Elongationin 2 in. or50 mm,min, %UNS N06110 95 000 (655) 45 000 (310) 60B 758 00 (2006)210. Sampling10.1 Lot Definition:10.1.1 A lot for chemical analysis shall consist of one heat.10.1.2 Alot for mechanical properties, flattening, and flangetesting shall c
32、onsist of all material from the same heat, nominalsize (excepting length), and condition (temper).10.2 Test 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-
33、sponsibility of the purchaser.10.2.2 Mechanical Properties, Flattening, and FlangeTestingSamples of the material to provide test specimensshall be taken from such locations in each lot as to berepresentative of that lot.11. Number of Tests11.1 Chemical AnalysisOne test per lot.11.2 Mechanical Proper
34、tiesOne test per lot.11.3 FlatteningOne test per lot.11.4 FlangeOne test per lot.11.5 Nondestructive Tests:11.5.1 Class 1Each piece in each lot shall be subjected toone of the following four tests: hydrostatic, pneumatic (airunderwater), eddy current, or ultrasonic.11.5.2 Class 2Each piece in each l
35、ot shall be subjected toa leak test and an electric test as follows:11.5.2.1 Leak TestHydrostatic or pneumatic (air underwa-ter).11.5.2.2 Electric TestEddy current or ultrasonic.11.5.3 The manufacturer shall have the option to test toClass 1 or 2 and select the nondestructive test methods, if notspe
36、cified by the purchaser.12. Specimen Preparation12.1 Tension test specimens shall be taken from material inthe final condition (temper) and tested 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 possi
37、ble,longitudinal strip specimens shall be used. In the event ofdisagreement when full tubular testing is not possible, alongitudinal strip specimen with reduced gage length ascontained in Test Methods E8shall be used.13. Test Methods13.1 The chemical composition, mechanical, and otherproperties of t
38、he material as enumerated in this specificationshall be determined, in case of disagreement, in accordancewith the following methods:Test ASTM DesignationChemical analysis E 38, E 354ATension E8Rounding procedure E29AMethods E38is to be used only for elements not covered by Test MethodsE 354.13.2 No
39、ndestructive Tests:13.2.1 Hydrostatic TestTest each piece at 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 thickne
40、ss in. or mm; andD = specified outside diameter, in. or mm.13.2.1.1 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 tube shows leaks during the hydrostatic test, reject it.13.2.2 Pne
41、umatic (Air Underwater) Test Test each pieceat a pressure of 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
42、 test,reject it.TABLE 4 Permissible Variations in Outside DiameterAand Wall ThicknessSpecified Outside Diameter, in.(mm)Permissible VariationsOutside Diameter, in. (mm)BWall Thickness, %Plus Minus Plus Minus18 (3.2) to58 (15.9), excl 0.005 (0.13) 0.005 (0.13) 12.5 12.558 (15.9) to 112 (38.1), incl 0
43、.0075 (0.19) 0.0075 (0.19) 10.0 10.0Over 112 (38.1) to 312 (88.9), incl 0.010 (0.25) 0.010 (0.25) 10.0 10.0Over 312 (88.9) to 412 (114.3), incl 0.015 (0.38) 0.015 (0.38) 10.0 10.0Over 412 (114.3) to 5 (127), incl 0.020 (0.51) 0.020 (0.51) 12.5 12.5AThese permissible variations in outside diameter ap
44、ply only to material as finished at the mill before subsequent swaging, expanding, bending, polishing, or otherfabricating operations.BOvality is the difference between maximum and minimum outside diameter measured at any one cross section. There is no additional tolerance for ovality on materialhav
45、ing a nominal wall thickness of more than 3 % of the outside diameter. On this material, the average of maximum and minimum outside diameter measurements willfall within the outside diameter tolerance shown in the table above. An additional ovality allowance of twice the outside diameter tolerance s
46、preads shown above, appliedone half plus and one half minus, is allowed for material having nominal wall thickness of 3 % or less of nominal outside diameter.TABLE 5 Permissible Variations in LengthAOutside Diameterin. (mm)Cut Length, in.(mm)Over UnderUnder 2 (50.8)18 (3) 02 (50.8) and over316 (5) 0
47、AThese permissible variations in length apply to tube 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 to a maximum additional over-toleran
48、ce of12 in. (12.7 mm).B 758 00 (2006)313.2.3 Electric TestGive each tube an electric test inaccordance with either Practice E 213 or Practice E 571. Foreddy-current testing, the calibration tube shall contain, at theoption of the producer, any of the following discontinuities toestablish a minimum s
49、ensitivity level for rejection. The dis-continuity shall be placed in the weld if visible.13.2.3.1 Drilled HoleDrill a hole, not larger than 0.031-in. (0.79-mm) diameter radially and completely through thewall, taking care to avoid distortion of the material whiledrilling.13.2.3.2 Transverse Tangential NotchUsing a round fileor tool with a14-in. (6.4 mm) diameter, file or mill a notchtangential to the surface and transverse to the longitudinal axisof the material. Said notch shall have a depth not exceeding1212 % of the specified wall
