1、Designation: B 722 06Standard Specification forNickel-Chromium-Molybdenum-Cobalt-Tungsten-Iron-SiliconAlloy (UNS N06333) Seamless Pipe and Tube1This standard is issued under the fixed designation B 722; the number immediately following the designation indicates the year oforiginal adoption or, in th
2、e 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.1. Scope*1.1 This specification covers alloy N06333 in the form ofhot-finished and cold-finished
3、seamless pipe and tube intendedfor heat-resisting applications and general corrosive service.The general requirements for pipe and tube are covered inSpecification B 829.1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation on
4、ly.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to become familiarwith all hazards including those identified in the appropriateMaterial Safety Data Sheet (MSDS) for this product/materia
5、las provided by the manufacturer, to establish appropriatesafety and health practices, and determine the applicability ofregulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2B 829 Specification for General Requirements for Nickeland Nickel Alloys Seamless Pipe and Tube3. Ge
6、neral 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 material ordere
7、d under thisspecification. Examples of such requirements include but arenot limited to the following:4.1.1 Alloy name or UNS number.4.1.2 ASTM designation and year of issue.4.1.3 Quantity (feet or number of pieces).4.1.4 Dimensions:4.1.4.1 Pipe size.4.1.4.2 Tube dimensions (outside or inside diamete
8、r andnominal wall thickness).4.1.4.3 Length (specific or random).4.1.5 Hydrostatic Test or Nondestructive Electric TestSpecify type of test (see 5.2).4.1.6 CertificationState if certification is required.4.1.7 Samples for Product (Check) AnalysisState whethersamples for product (check) analysis shou
9、ld be furnished.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.5. Mechanical and Other Requirements5.1 Tension TestThe mechanical properties of
10、 the materialat room temperature shall conform to those shown in Table 1.The sampling and specimen preparation are covered in Speci-fication B 829.5.2 Hydrostatic or Nondestructive Electric TestEach pipeor tube shall be subjected to either the hydrostatic test or to thenondestructive electric test.
11、The type of test to be used shall beat the option of the manufacturer, unless otherwise specified inthe purchase order.6. Dimensions and Permissible Variations6.1 The requirements of Specification B 829 will applyexcept for hot-finished pipe and tube dimensional requirementsshown in Table 2.1This sp
12、ecification 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 1983. Last previous edi
13、tion approved in 2002 as B 722 - 02.2For 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 Mechanical Proper
14、tiesTensileStrength, minpsi (MPa)Yield Strength,0.2 % offset,min psi (MPa)Elonga-tionin2in.or50mm, or4D, min. %HardnessA80 000 (551) 35 000 (241) 30 75 to 95HRBAHardness values are informative only and not to be construed as the basis foracceptance.1*A Summary of Changes section appears at the end o
15、f this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.7. Chemical Requirements7.1 The material shall conform to the requirements as tochemical composition specified in Table 3. One test is requiredfor each lot as defined in
16、Specification B 829.7.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the product (check)analysis variations in Table 3 of Specification B 829.8. Number of Tests8.1 Chemical AnalysisOne test per lot.8.2 Tension TestOne longitudinal tension test shall bemad
17、e on a specimen from a pipe or tube representing 1 % ofthe pipe or tube for each lot.8.3 Hydrostatic or Nondestructive Electric TestEachlength of pipe or tube.9. Test Methods9.1 Hydrostatic TestThe allowable fiber stress for hydro-static testing purposes shall be 17 500 psi.9.1.1 Any pipe or tube th
18、at shows leaks during hydrostatictesting shall be rejected, but any leaking areas may be cut outand the pipe or tube retested as above.9.2 Nondestructive Electric TestEach pipe or tube shall beexamined with a nondestructive electric test as per prescribedin Specification B 829.10. Keywords10.1 seaml
19、ess pipe; seamless tube; UNS N06333SUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the last issue (B 722 - 02)that may impact the use of this standard. (Approved December 1, 2006.)(1) Introduction of nondestructive electric test in lieu ofhydros
20、tatic test at the option of the manufacturer.(2) Revision of 4.1, 5.1, 5.2, 8.3, 9.1, and 9.2.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determinat
21、ion 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 revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withd
22、rawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your
23、 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 copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (singl
24、e 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).TABLE 2 Permissible Variations for Outside Diameter and Wall Thickness of Hot-Finished
25、Pipe and TubeNOTE 1OvalityFor tube 5 in. (127 mm) and under in outside diameter the tolerance on the outside diameter applies for individual measurementsand includes ovality. For tube over 5 in. (127 mm) in outside diameter, the mean outside diameter shall conform to the permissible variations of th
26、is table,and individual measurements shall not exceed twice the permissible variations of this table.Nominal Outside Diameter, in. (mm)Permissible VariationsOutside Diameter or InsideDiameter, in. (mm)% of Thickness ofSpecified Average Wall% of Thickness ofSpecified Minimum WallPlus Minus Plus Minus
27、 Plus Minus18 (3.2) to 112 (38), incl 0.015 (0.4) 0.031 (0.8) 12.5 12.5 28.5 0Over 112 (38.1) to 4 (102), incl 0.031 (0.8) 0.031 (0.8) 12.5 12.5 28.5 0Over 4 (102) to 8 (203), incl 0.062 (1.6) 0.031 (0.8) 12.5 12.5 28.5 0TABLE 3 Chemical RequirementsElementCompositionLimits, %Carbon 0.10 maxManganese 2.0 maxPhosphorus 0.03Sulfur 0.03Silicon 1.5 maxChromium 24.027.0Nickel 44.048.0Molybdenum 2.54.0Cobalt 2.54.0Tungsten 2.54.0IronAremainderAElement may be determined arithmetically by difference.B722062
