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TM_B_404_
_B_404M_
_02
Designation:B 404/B 404M 02Standard Specification forAluminum and Aluminum-Alloy Seamless Condenser andHeat-Exchanger Tubes with Integral Fins1This standard is issued under the fixed designation B 404/B 404M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers externally helical,integrallyfinned aluminum and aluminum-alloy seamless tubes withfinned or unfinned ends,with continuous fins,or with unfinnedsections,in outside diameters(diameter over fins)up to 2 in.50 mm inclusive.See Table 1 and Table 2.1.2 Alloy and temper designations are in accordance withANSI H35.1 and H35.1M.The equivalent Unified NumberingSystem alloy designations are those of Table 1 preceded byA9,for example,A91060 for aluminum 1060 in accordance withPractice E 527.NOTE1Throughout this specification the term alloy in the generalsense includes aluminum as well as aluminum alloy.1.3 For acceptance criteria for inclusion of new aluminumand aluminum alloys in this specification,see Annex A2.1.4 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.Within the text,theSI units are shown in brackets.The values stated in eachsystem are not exact equivalents;therefore,each system shallbe used independently of the other.Combining values from thetwo systems may result in nonconformance with the specifi-cation.2.Referenced Documents2.1 The following documents of the issue in effect on thedate of material procurement form a part of this specification tothe extent referenced herein:2.2 ASTM Standards:B 557 Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy Products2B 557M Test Methods for Tension Testing Wrought andCastAluminum-and Magnesium-Alloy Products Metric2B 660 Practices for Packaging/Packing of Aluminum andMagnesium Products2B 918 Practice for Heat Treatment of Wrought AluminumAlloys2E 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications3E 34 Test Methods for ChemicalAnalysis ofAluminum andAluminum-Base Alloys4E 55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical Composition4E 227 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by thePoint-to-Plane Technique4E 527 Practice for Numbering Metals and Alloys(UNS)5E 607 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by thePoint-to-Plane Technique,Nitrogen Atmosphere6E 716 Practices for Sampling Aluminum and AluminumAlloys for Spectrochemical Analysis6E 1251 Test Method for Optical Emission SpectrometricAnalysis ofAluminum andAluminumAlloys by theArgonAtmosphere,Point-to-Plane,Unipolar Self-Initiating Ca-pacitor Discharge62.3ANSI Standards:H35.1 Alloy and Temper Designation Systems for Alumi-num2H35.1M Alloy and Temper Designation Systems for Alu-minum Metric22.4Federal Standards:Fed.Std.No.123 Marking for Shipment(Civil Agencies)72.5Military Standards:MIL-STD-129 Marking for Shipment and Storage73.Terminology3.1 Definitions:3.1.1 round tubea hollow wrought product that is long inrelation to its cross section,which is round and has a uniformwall thickness.3.1.2 drawn tubea tube brought to final dimensions bydrawing through a die.1This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.03 onAluminum Alloy Wrought Products.Current edition approved Oct.10,2002.Published December 2002.Originallyapproved in 1963.Last previous edition approved in 2000 as B 40400.2Annual Book of ASTM Standards,Vol 02.02.3Annual Book of ASTM Standards,Vol 14.02.4Annual Book of ASTM Standards,Vol 03.05.5Annual Book of ASTM Standards,Vol 01.01.6Annual Book of ASTM Standards,Vol 03.06.7Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.3.1.3 seamless tubea tube which does not contain any linejunctures resulting from the method of manufacture.3.1.4 alclad tubea composite tube product composed ofan aluminum-alloy core having on either the inside or outsidesurface a metallurgically bonded aluminum or aluminum-alloycoating that is anodic to the core,thus electrolytically protect-ing the core against corrosion.3.1.5 finned tubea tube which has integral fins or projec-tions protruding from its outside surface.3.1.6 producerthe primary manufacturer of the material.3.1.7 supplierincludes only the category of jobbers anddistributors as distinct from producers.3.2 Definition of Term Specific to This