1、Designation:A1046/A1046M17Standard Specification forSteel Sheet,Zinc-Aluminum-Magnesium Alloy-Coated by theHot-Dip Process1This standard is issued under the fixed designation A1046/A1046M;the number immediately following the designation indicates theyear of original adoption or,in the case of revisi
2、on,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 zinc-aluminum-magnesiumalloy-coated steel sheet in coils and cut lengths.1.2 This
3、 product is intended for applications requiringcorrosion resistance and paintability.1.3 The steel sheet is produced in a number of designations,types,grades and classes designed to be compatible withdiffering application requirements.1.4 Product furnished under this specification shall conformto th
4、e applicable requirements of the latest issue of Specifica-tion A924/A924M,unless otherwise provided herein.1.5 The text of this standard references notes and footnoteswhich provide explanatory material.These notes and footnotes,excluding those in tables and figures,shall not be considered asrequire
5、ments of the standard.1.6 This specification is applicable to orders in eitherinch-pound units(as A1046)or SI units(as A1046M).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.1.7 Unless
6、 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 p
7、ractices 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 CoatingsA568/A568M Specification for Steel,Sheet,Carbon,Structural,and High-Str
8、ength,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 ProcessE517 Test Method for Plastic Strain Ratio r for Sheet MetalE646 Test Me
9、thod for Tensile Strain-Hardening Exponents(n-Values)of Metallic Sheet Materials3.Terminology3.1 Definitions:See Terminology A902 for definitions of general terminologyrelating to metallic-coated hot-dip products.4.Classification4.1 The material is available in several designations asfollows:4.1.1 C
10、ommercial SteelCS Types A,B,and C,4.1.2 Deep Drawing SteelDDS,4.1.3 Extra Deep Drawing SteelEDDS,4.1.4 Forming SteelFS Types A and B,4.1.5 High Strength Low Alloy SteelHSLAS,4.1.6 High Strength Low Alloy Steel with ImprovedFormabilityHSLAS-F.4.1.7 Structural SteelSS,4.2 Structural steel and high str
11、ength low alloy steel areavailable in several grades based on mechanical properties.Structural Steel Grade 50 340 is available in four classesbased on tensile strength.4.3 The product is available in several coating weightsmasses with the coating designation in accordance with Table1.5.Ordering Info
12、rmation5.1 Zinc-aluminum-magnesium alloy-coated steel sheet incoils and cut lengths is produced to thickness requirementsexpressed to 0.001 in.0.01 mm.The thickness of the sheetincludes the base metal and the coating.1This specification is under the jurisdiction of ASTM Committee A05 onMetallic-Coat
13、ed Iron and Steel Products and is the direct responsibility ofSubcommittee A05.11 on Sheet Specifications.Current edition approved Feb.1,2017.Published February 2017.Originallyapproved in 2006.Last previous edition approved in 2016 as A1046/A1046M-16.DOI:10.1520/A1046_A1046M-17.2For referenced ASTM
14、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 Interna
15、tional,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 a
16、nd Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 5.2 Orders for product to this specification shall include thefollowing information,as necessary,to adequately describe thedesired product:5.2.1 Name of product(steel sheet,zinc-aluminum-magnesium alloy-coated),5.2.2 Designation of sheet steel CS(Type A,B,or C),FS(Type A or B),DDS,EDDS,SS,HSLAS or HSLAS-F,5.2.2.1 When a CS type is not specified,CS Type B will befurnished.When an FS type is not s