TM_B_370_
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Designation:B37012Standard Specification forCopper Sheet and Strip for Building Construction1This standard is issued under the fixed designation B370;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.This standard has been approved for use by agencies of the Department of Defense.1.Scope*1.1 This specification establishes the requirements for rolledcopper sheet and strip in flat lengths or coils in ounce-weightthicknesses for roofing,flashing,gutters,downspouts,andgeneral sheet metal work in building construction.1.1.1 Products produced to this specification are not in-tended for electrical applications.1.2 UnitsThe values stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.NOTE1Specification B101 is an associated specification for lead-coated copper sheets and strip for building construction.1.3 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:2B101 Specification for Lead-Coated Copper Sheet and Stripfor Building ConstructionB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate,Sheet,Strip,and RolledBarB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8 Test Methods for Tension Testing of Metallic MaterialsE112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper Alloys3.General Requirements3.1 The following sections of Specification B248 constitutea part of this specification:3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship,Finish,and Appearance,3.1.4 Specimen Preparation,3.1.5 Test Methods,3.1.6 Significance of Numerical Limits,3.1.7 Inspection,3.1.8 Certification,3.1.9 Mill Test Report,3.1.10 Packaging and Package Marking,and3.1.11 Supplementary Requirements.3.2 In addition,when a section with a title identical to thatreferenced in 3.1,above,appears in this specification,itcontains additional requirements,which supplement thoseappearing in Specification B248.4.Terminology4.1 Definitions:4.1.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.4.1.2 coil,na length of the product wound into a series ofconnected turns.4.1.2.1 DiscussionThe unqualified term“coil”as appliedto“flat product”usually refers to a coil in which the product isspirally wound,with the successive layers on top of oneanother(sometimes called a“roll”).4.1.3 lengths,mill,nstraight lengths,including ends,thatare be manufactured conveniently in the mills.4.1.3.1 DiscussionFull length pieces usually are 8 or 10 ft(2.4 or 3.0 m)and subject to established length tolerances.4.1.4 length,stock,nstraight lengths that are mill cut andstored in advance of orders.4.1.4.1 DiscussionThey usually are 8 or 10 ft(2.4 or 3.0m)and subject to established length tolerances.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet,and Strip.Current edition approved Oct.1,2012.Published December 2012.Originallyapproved in 1961.Last previous edition approved in 2011 as B370 111.DOI:10.1520/B0370-12.2For 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 4.1.5 ounce-weight,nthe weight of copper sheet or stripexpressed in ounces per square foot.4.1.6 sheet,for building construction,na rolled flat prod-uct over 24 in.(610 mm)in width and of ounce-weightthickness from 8 to 48 oz.4.1.7 strip,for building construction,na rolled flat prod-uct up to 24 in.(610 mm),inclusive,in width and ofounce-weight thickness from 8 to 48 oz.NOTE2In 4.1.6 and 4.1.7,the 8 to 48 oz refers to the namescommonly used in the building industry for the sizes used.The respectivesizes that correspond to these names are listed in Table 1.5.Ordering Information5.1 Include the following information when placing ordersfor product under this speci