1、Designation:B73903(Reapproved 2013)Standard Specification forNickel-Iron-Chromium-Silicon Alloy Welded Tube1This standard is issued under the fixed designation B739;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last rev
2、ision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers alloys UNS N08330 and UNSN08332 in the form of welded tube intended for heat resistingapplications and ge
3、neral corrosive service.1.2 The 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 This standard does not purport to address all of thesafety
4、 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/materialas provided by the manufacturer,to establish appropriatesafety and he
5、alth practices,and determine the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2B536 Specification for Nickel-Iron-Chromium-Silicon Al-loys(UNS N08330 and N08332)Plate,Sheet,and StripB751 Specification for General Requirements for Nickel andNickel Alloy
6、 Welded Tube3.General Requirement3.1 Material furnished under this specification shall con-form to the applicable requirements of Specification B751unless otherwise provided herein.4.Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for m
7、aterial ordered under thisspecification.Examples of such requirements include,but arenot limited to,the following:4.1.1 Alloy(Table 1),4.1.2 ASTM designation and year of issue,4.1.3 Dimensions(outside or inside diameter and nominalwall thickness),4.1.4 Length(specific or random),4.1.5 Quantity(feet
8、or number of pieces),4.1.6 CertificationState if certification is required,4.1.7 Samples for Product(Check)AnalysisState whethersamples for product(check)analysis should be furnished,and4.1.8 Purchaser InspectionIf purchaser wishes to witnesstests or inspection of material at place of manufacture,th
9、epurchase order must so state indicating which tests or inspec-tions are to be witnessed.5.Materials and Manufacture5.1 The tube shall be made from flat-rolled alloy conform-ing to Specification B536,by an automatic welding processwith no addition of filler metal.Subsequent to welding andprior to fi
10、nal heat treatment,the tube shall be cold-workedeither in both weld and base metal or in weld metal only.6.Chemical Composition6.1 The material shall conform to the requirements,as tochemical composition specified in Table 2.6.2 If a product(check)analysis is performed by thepurchaser,the material s
11、hall conform to the product(check)analysis variations per Specification B751.7.Mechanical Properties and Other Requirements7.1 The tensile properties of the material at room tempera-ture shall conform to those shown in Table 1.7.2 Grain SizeAnnealed Alloy UNS N08332 shall con-form to an average grai
12、n size of ASTM No.5 or coarser.7.3 Annealing TemperatureAlloy UNS N08330 shall beannealed at 1900F(1040C)minimum.Alloy UNS N08332shall be annealed at 2050F(1120C)minimum.8.Keywords8.1 welded tube;N08330;N083321This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and
13、 Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Feb.1,2013.Published February 2013.Originallyapproved in 1985.Last previous edition approved in 2008 as B739 03(2008).DOI:10.1520/B0739-03R13.2For referenced ASTM sta
14、ndards,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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-
15、2959.United States1 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 determination of the validity of any such patent rights,and the riskof infringement o
16、f 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 withdrawn.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
