ASTM_C_1767_-_16a.pdf

Designation:C176716aStandard Specification forStainless Steel Jacketing for Insulation1This standard is issued under the fixed designation C1767;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 covers stainless steel jacketing forthermal,acoustical,and fire protective insulation operating ateither above or below ambient temperatures and in both indoorand outdoor locations.It does not cover insulation jacketingmade from other materials such as mastics,fiber reinforcedplastic,PVC,aluminum,or coated carbon steel(for example,aluminum-zinc,galvanized steel,or aluminized steel)nor doesit cover the details of thermal,acoustical,or fire protectiveinsulation systems.1.2 While not intended to cover use inside the containmentbuildings of nuclear power plants,this standard does notpreclude use of Class E material which does not have amoisture barrier in this containment building application.1.3 This specification provides physical requirements forstainless steel jacketing for thermal and acoustical insulation.Guide C1423 provides guidance in selecting jacketing materi-als and their safe use.1.4 This is a material specification and does not imply anyperformance of the installed system using the materials speci-fied herein.For information about installation of stainless steeljacketing,see(1).21.5 The values stated in inch-pound units are to be regardedas standard.No other units of measurement are included in thisstandard.1.6 A version of this standard in SI units is available asSpecification C1767M.1.7 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 establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3A167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate,Sheet,and Strip(With-drawn 2014)4A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet,and Strip for PressureVessels and for General ApplicationsA480/A480M Specification for General Requirements forFlat-Rolled Stainless and Heat-Resisting Steel Plate,Sheet,and StripB487 Test Method for Measurement of Metal and OxideCoating Thickness by Microscopical Examination ofCross SectionC168 Terminology Relating to Thermal InsulationC450 Practice for Fabrication of Thermal Insulating FittingCovers for NPS Piping,and Vessel LaggingC585 Practice for Inner and Outer Diameters of ThermalInsulation for Nominal Sizes of Pipe and TubingC835 Test Method for Total Hemispherical Emittance ofSurfaces up to 1400CC1371 Test Method for Determination of Emittance ofMaterials Near Room Temperature Using Portable Emis-sometersC1423 Guide for Selecting Jacketing Materials for ThermalInsulationC1729 Specification for Aluminum Jacketing for InsulationC1767M Specification for Stainless Steel Jacketing for In-sulationC1785 Test Method for Concentration of Pinhole Detectionsin Moisture Barriers on Metal JacketingD3363 Test Method for Film Hardness by Pencil TestE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsF1249 Test Method for Water Vapor Transmission RateThrough Plastic Film and Sheeting Using a ModulatedInfrared Sensor1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsibility of Subcommittee C16.40 onInsulation Systems.Current edition approved Sept.1,2016.Published September 2016.Originallyapproved in 2012.Last previous edition approved in 2016 as C1767 16.DOI:10.1520/C1767-16A.2The boldface numbers in parentheses refer to the list of references at the end ofthis standard.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.4The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 DefinitionsDefinitions in Terminology C168 apply toterms used in this specification.3.2 Definitions of Terms Specific to This Standard:3.2.1 box ribstainless steel sheet formed to have alternat-ing parallel grooves and ridges with a cross section approxi-mating a square wave.3.2.2 cladding(as related to insulation jacketing)synonymous with jacketing.3.2.2.1 DiscussionThe three terms“jacketing,”“lagging,”and“cladding”are considered synonymous in most applica-tions and geographies.However,in some cases in the powerindustry in North America the term“lagging”has a differentm