1、Designation:A1063/A1063M17Standard Specification forSteel Sheet,Twin-Roll Cast,Zinc-Coated(Galvanized)by theHot-Dip Process1This standard is issued under the fixed designation A1063/A1063M;the number immediately following the designation indicates theyear of original adoption or,in the case of revis
2、ion,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers steel sheet,produced by theTwin-Roll Cast Process(see Appendix X2)and zinc-coate
3、d(galvanized)by the hot-dip process in coils and cut lengths.NOTE1See Appendix X2 for a description of the Twin-Roll Castprocess.1.2 The product is produced in various zinc coating weightsmasses or coating designations as shown in Table 1.1.3 Product furnished under this specification shall conformt
4、o 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 and in the two following general categoriesthat are designed to be compatible with different applicationrequirem
5、ents.1.4.1 Steels with mandatory chemical requirements andtypical mechanical properties.1.4.2 Steels with mandatory chemical requirements andmandatory mechanical properties.1.5 This material is available in the following sizes:1.5.1 Thicknessup to 0.078 in.2.0 mm1.5.2 Widthup to 79 in.2000 mm1.6 The
6、 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 This specification is applicable to orders in eitherinch-pound units(as A1063)or
7、 SI units(as A1063M).Valuesin inch-pound and SI units are not necessarily equivalent.Within the text,SI units are shown in brackets.Each systemshall be used independently of the other.1.8 Unless the order specifies the“M”designation(SIunits),the product shall be furnished to inch-pound units.1.9 Thi
8、s 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
9、 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 andCol
10、d-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
11、 Galvanizing of SheetSteel3.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 differentially coated,ngalvanized steel sheet havinga specified“coating designation”
12、on one surface and a signifi-cantly lighter specified“coating designation”on the othersurface.3.2.1.1 DiscussionThe single side relationship of eitherspecified“coating designation”is the same as shown in thenote of Table 1 regarding uniformity of coating.3.2.2 high strength low alloy steel,na specif
13、ic group ofsheet steels whose strength is achieved through the use of1This 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 Jan.1,2017.Publis
14、hed January 2017.Originallyapproved in 2009.Last previous edition approved in 2011 as A1063/A1063M-11a.DOI:10.1520/A1063_A1063M-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
15、,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 i
16、nternationally 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 microalloying elements such as columbium(niobium),vanadium,titanium,and molybdenum resulting in improvedformability and weldability than is obtained from conventionalcarbon-manganese steels.3.2.3 minimized spangle,nthe finish produced on hot-dipz
