ASTM_B_924_-_02_2017.pdf

Designation:B92402(Reapproved 2017)Standard Specification forSeamless and Welded Nickel Alloy Condenser and HeatExchanger Tubes With Integral Fins1This standard is issued under the fixed designation B924;the number immediately following the designation indicates 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()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification2describes seamless and weldednickel alloy tubing on which the external or internal surface,orboth,has been modified by a cold forming process to producean integral enhanced surface,for improved heat transfer.Thetubes are used in surface condensers,evaporators,heat ex-changers and similar heat transfer apparatus in unfinned enddiameters up to and including 1 in.(25.4 mm).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 The following precautionary statement pertains to thetest method portion only:Section 10 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 Safety Data Sheet(SDS)forthis product/material as provided by the manufacturer,toestablish appropriate safety and health practices,and deter-mine the applicability of regulatory requirements prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3A941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and FerroalloysB163 Specification for Seamless Nickel and Nickel AlloyCondenser and Heat-Exchanger TubesB167 Specification for Nickel-Chromium-Iron Alloys(UNSN06600,N06601,N06603,N06690,N06693,N06025,N06045,andN06696),Nickel-Chromium-Cobalt-Molybdenum Alloy(UNS N06617),and Nickel-Iron-Chromium-Tungsten Alloy(UNS N06674)Seamless Pipeand TubeB407 Specification for Nickel-Iron-Chromium Alloy Seam-less Pipe and TubeB423 SpecificationforNickel-Iron-Chromium-Molybdenum-Copper Alloy(UNS N08825,N08221,andN06845)Seamless Pipe and TubeB444 Specification for Nickel-Chromium-Molybdenum-Columbium Alloys(UNS N06625 and UNS N06852)andNickel-Chromium-Molybdenum-Silicon Alloy(UNSN06219)Pipe and TubeB468 Specification for Welded UNS N08020 Alloy TubesB515 Specification for Welded UNS N08120,UNS N08800,UNS N08810,and UNS N08811 Alloy TubesB516 Specification for Welded Nickel-Chromium-IronAlloy(UNS N06600,UNS N06601,UNS N06603,UNSN06025,UNS N06045,UNS N06690,and UNS N06693)TubesB622 Specification for Seamless Nickel and Nickel-CobaltAlloy Pipe and TubeB626 Specification for Welded Nickel and Nickel-CobaltAlloy TubeB674 Specification for UNS N08925,UNS N08354,andUNS N08926 Welded TubeB676 Specification for UNS N08367 Welded TubeB677 Specification for UNS N08925,UNS N08354,andUNS N08926 Seamless Pipe and TubeB690 SpecificationforIron-Nickel-Chromium-Molybdenum Alloys(UNS N08366 and UNS N08367)Seamless Pipe and TubeB704 Specification for Welded UNS N06625,UNS N06219and UNS N08825 Alloy TubesB729 Specification for Seamless UNS N08020,UNSN08026,and UNS N08024 Nickel-Alloy Pipe and Tube1This 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 April 1,2017.Published April 2017.Originallyapproved in 2002.Last previous edition approved in 2012 as B924 02(2012).DOI:10.1520/B0924-02R17.2For ASME Boiler and Pressure Vessel Code applications,see related Specifi-cation SB-924 in Section II of that Code.3For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 B751 Specification for General Requirements for Nickel andNickel Alloy Welded TubeB829 Specification for General Requirements for Nickel andNickel Alloys Seamless Pipe and TubeB899