ASTM_A_653_-_A_653M_-_15e1.pdf

Designation:A653/A653M151Standard Specification forSteel Sheet,Zinc-Coated(Galvanized)or Zinc-Iron Alloy-Coated(Galvannealed)by the Hot-Dip Process1This standard is issued under the fixed designation A653/A653M;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()indicates an editorial change since the last revision or reapproval.1NOTEIn Table S2.1,the Inch-Pound maximum value for Zinc,Coating Designation 90G was corrected from 0.62 to0.52 editorially in March 2016.1.Scope*1.1 This specification covers steel sheet,zinc-coated(gal-vanized)or zinc-iron alloy-coated(galvannealed)by the hot-dip process in coils and cut lengths.1.2 The product is produced in various zinc or zinc-ironalloy-coating weights masses or coating designations asshown in Table 1 and in Table S2.1.1.3 Product furnished under this specification shall conformto the applicable requirements of the latest issue of Specifica-tion A924/A924M,unless otherwise provided herein.1.4 The product is available in a number of designations,grades and classes in four general categories that are designedto be compatible with different application requirements.1.4.1 Steels with mandatory chemical requirements andtypical mechanical properties.1.4.2 Steels with mandatory chemical requirements andmandatory mechanical properties.1.4.3 Steels with mandatory chemical requirements andmandatory mechanical properties that are achieved throughsolid-solution or bake hardening.1.5 This specification is applicable to orders in eitherinch-pound units(as A653)or SI units(as A653M).Values ininch-pound and SI units are not necessarily equivalent.Withinthe text,SI units are shown in brackets.Each system shall beused independently of the other.1.6 The text of this specification references notes andfootnotes that provide explanatory material.These notes andfootnotes,excluding those in tables and figures,shall not beconsidered as requirements of this specification.1.7 Unless the order specifies the“M”designation(SIunits),the product shall be furnished to inch-pound units.1.8 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:2A90/A90M Test Method for Weight Mass of Coating onIron and Steel Articles with Zinc or Zinc-Alloy CoatingsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA568/A568M Specification for Steel,Sheet,Carbon,Structural,and High-Strength,Low-Alloy,Hot-Rolled andCold-Rolled,General Requirements forA902 Terminology Relating to Metallic Coated Steel Prod-uctsA924/A924M Specification for General Requirements forSteel Sheet,Metallic-Coated by the Hot-Dip ProcessB6 Specification for ZincB852 Specification for Continuous Galvanizing Grade(CGG)Zinc Alloys for Hot-Dip Galvanizing of SheetSteelD7396 Guide for Preparation of New,Continuous Zinc-Coated(Galvanized)Steel Surfaces for PaintingE517 Test Method for Plastic Strain Ratio r for Sheet MetalE646 Test Method for Tensile Strain-Hardening Exponents(n-Values)of Metallic Sheet Materials2.2 ISO Standard:3ISO 3575 Continuous Hot-Dip Zinc-Coated Carbon Steel ofCommercial and Drawing QualitiesISO 4998 Continuous Hot-Dip Zinc-Coated Carbon Steel ofStructural Quality1This specification is under the jurisdiction of ASTM Committee A05 onMetallic-Coated Iron and Steel Products and is the direct responsibility ofSubcommittee A05.11 on Sheet Specifications.Current edition approved July 1,2015.Published July 2015.Originally approvedin 1994.Last previous edition approved in 2013 as A653/A653M 13.DOI:10.1520/A0653_A0653M-15E01.2For 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.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*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 3.Terminology3.1 DefinitionsSee Terminology A902 for definitions ofgeneral terminology relating to metallic-coated hot-dip prod-ucts.3.2 Definitions of Terms Specific to This Standard:3.2.1 bake hardenable steel,nsteel sheet in which asignificant increase in yield strength is realized when moderateheat treatment,such as that used for paint baking,followsstraining or cold working.3.2.2 differentially coated,ngalvanized steel sheet havinga specified“coating designation”on one surface and a signifi-cantly lighter specified“coating designatio