ASTM_A_1012_-_10_2015.pdf

Designation:A101210(Reapproved 2015)Standard Specification forSeamless and Welded Ferritic,Austenitic and Duplex AlloySteel Condenser and Heat Exchanger Tubes With IntegralFins1This standard is issued under the fixed designation A1012;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 specification describes seamless and weldedferritic,austenitic and duplex alloy steel tubing on which theexternal or internal surface,or both,has been modified by acold forming process to produce an integral enhanced surfacefor improved heat transfer.The tubes are used in surfacecondensers,evaporators,heat exchangers and similar heattransfer apparatus in unfinned end diameters up to and includ-ing 1 in.(25.4 mm).Boiler tubes are excluded.1.2 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation only.1.3 The following precautionary statement pertains to thetest method portion only,Section 12,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 establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2A213/A213M Specification for Seamless Ferritic and Aus-tenitic Alloy-Steel Boiler,Superheater,and Heat-Exchanger TubesA249/A249M Specification for Welded Austenitic SteelBoiler,Superheater,Heat-Exchanger,and CondenserTubesA268/A268M Specification for Seamless and Welded Fer-ritic and Martensitic Stainless Steel Tubing for GeneralServiceA269 Specification for Seamless and Welded AusteniticStainless Steel Tubing for General ServiceA688/A688M Specification for Seamless and Welded Aus-tenitic Stainless Steel Feedwater Heater TubesA789/A789M Specification for Seamless and WeldedFerritic/Austenitic Stainless Steel Tubing for GeneralServiceA803/A803M Specification for Seamless and Welded Fer-ritic Stainless Steel Feedwater Heater TubesA941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and FerroalloysA1016/A1016M Specification for General Requirements forFerritic Alloy Steel,Austenitic Alloy Steel,and StainlessSteel Tubes3.Terminology3.1 DefinitionsFor definition of general terms used in thisspecification,refer to Specification A941.3.2 Symbols(Integral Fin Tube Nomenclature):D=outside diameter of unenhanced sectionDi=inside diameter of unenhanced sectiondr=root diameter of enhanced section outside of tubedo=outside diameter of enhanced sectiondi=inside diameter of enhanced sectionW=wall thickness of unenhanced sectionWf=wall thickness of enhanced sectionFh=height of finenhanced section outside of tubeFm=mean fin thicknessenhanced section outside of tubeP=mean rib pitchenhanced section inside of tubeRh=height of ribenhanced section inside of tubeHa=rib helix angleenhanced section inside of tubeTt=transition taper4.Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification.Such requirements may include,but are notlimited to,the following:4.1.1 ASTM designation and year of issue(this specifica-tion);1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.10 on Stainless and Alloy Steel Tubular Products.Current edition approved Sept.1,2015.Published September 2015.Originallyapproved in 2000.Last previous edition approved in 2010 as A1012 10.DOI:10.1520/A1012-10R15.2For 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.2 ASTM designation and year of issue(plain tubespecification);4.1.3 Welded or seamless;4.1.4 Alloy grade and UNS designation;4.1.5 Dimensions;plain tube outside diameter,plain tubewall thickness(average or minimum specified),length andlocation of unenhanced surfaces and the total tube length.Configuration of enhanced surfaces(fins per unit length,finheight,wall thickness under fin,rib pitch,rib height,etc.)shallbe as agreed upon between the manufacturer and purchaser(see Figs.1 and 2).4.1.6 Temper(as-finned or stress relief annealed);4.1.7 Quantity;4.1.8 Packaging;4.1.9 Nondestructive tests;4.1.10 Customer inspection;4.1.11 Mill test report;4.1.12 Certification.5.General Requirements5.1 Material furnished under this