ASTM_A_902_-_17.pdf

Designation:A90217Standard TerminologyRelating to Metallic Coated Steel Products1This standard is issued under the fixed designation A902;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.Scope*1.1 This standard is a compilation of terminology related tometallic coatings used in the steel industry,and to the steel onwhich the coatings are applied.Terms that are generallyunderstood or adequately defined in other readily availablesources are not included.1.2 When a term is used in an ASTM document for whichCommittee A05 is responsible it is included herein only whenjudged,after review by Subcommittee A05.18,to be a gener-ally usable term.1.3 Definitions that are identical to those published by otherASTM committees or other standards organizations are iden-tified with the ASTM standard designation(for example,Terminology B374)or with the abbreviation of the name of theorganization.1.4 A definition is a single sentence with additional infor-mation included in notes.The year the definition was adopted,or the year of latest revision,is appended.The responsiblesubcommittee reviews the definition for each term at five-yearintervals,and prepares revisions as needed.1.5 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:2A641/A641M Specification for ZincCoated(Galvanized)Carbon Steel WireA924/A924M Specification for General Requirements forSteel Sheet,Metallic-Coated by the Hot-Dip ProcessB374 Terminology Relating to ElectroplatingD6386 Practice for Preparation of Zinc(Hot-Dip Galva-nized)Coated Iron and Steel Product and HardwareSurfaces for PaintingD7396 Guide for Preparation of New,Continuous Zinc-Coated(Galvanized)Steel Surfaces for Painting3.Terminology3.1 Definitions:aluminized coating,na coating on steel consisting of eithercommercially-pure aluminum(Type 2)or aluminum-siliconalloy(Type 1),applied by the hot-dip process.(2005)barb,nas related to barbed wire,a short length of wire,withexposed ends cut on a bias to produce sharp points.(1995)barbed wire,na fabricated wire product consisting of twoline wires twisted to form a two-wire strand,into which2-point or 4-point barbs are tightly wrapped and locked intoplace at specified intervals.(1995)base metal,nas related to metallic-coated steel,the steel towhich the coating is applied,as distinguished from thecoating metal.(1990)batch coating,nof metallic coated steel products,theprocess of discontinuous-sequential passage of steel articlesthrough the various steps of the coating process,such as,cleaning,pickling,fluxing,and coating.(1995)breaking strength,nas related to wire,the maximum forcedeveloped prior to fracture during tension testing of wire andwire products.DISCUSSIONIn testing of stranded wire products,the maximumforce may be developed after fracture of one or more individual wires.(1993)carbon steel,nsteel having a maximum carbon content of2.0%and a composition conforming to the following:(1)nominimum content is specified for chromium,cobalt,colum-bium(niobium),molybdenum,nickel,titanium,tungsten,vanadium,zirconium,or any other element added to obtaina desired alloying effect;(2)the specified minimum andmaximum values for copper do not exceed 0.35%and0.60%,respectively;(3)the specified maximum for any ofthe following elements does not exceed these percentages:manganese 1.65%,silicon 0.60%,columbium(niobium)1This terminology is under the jurisdiction of ASTM Committee A05 onMetallic-Coated Iron and Steel Products and is the direct responsibility ofSubcommittee A05.18 on Editorial and Terminology.Current edition approved May 1,2017.Published May 2017.Originallyapproved in 1990.Last previous edition approved in 2015 as A902-15.DOI:10.1520/A0902-17.2For 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 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 0.015%,vanadium 0.008%,boron 0.0008%,or titanium0.025%;and(4)