1、Designation:B928/B928M15Standard Specification forHigh Magnesium Aluminum-Alloy Products for MarineService and Similar Environments1This standard is issued under the fixed designation B928/B928M;the number immediately following the designation indicates the yearof original adoption or,in the case of
2、 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.1.Scope*1.1 This specification covers high magnesium aluminum-alloy products in the mill finish condition that
3、are intended formarine hull construction and other marine applications wherefrequent or constant direct contact with seawater is expectedand for similar environments(Note 1).Aluminum alloy prod-ucts covered by this specification include the alloy-tempers offlat sheet,coiled sheet,and plate shown in
4、Table 2 Table 3and Table 4 Table 5,and alloy-tempers of extruded profilesshown in Table 6 Table 7.NOTE1There are other aluminum alloy-temper products that may besuitable for use in marine and similar environments,but which may notrequire the corrosion resistance testing specified by B928/B928M.SeeSp
5、ecification B209 or B209M for other aluminum sheet and platealloy-temper products.For other aluminum extruded alloy-temper prod-ucts see Specification B221 or B221M and/or other relevant specificationsfor aluminum extruded products.1.2 Alloy and temper designations are in accordance withANSI H35.1/H
6、35.1(M).The equivalent Unified NumberingSystem alloy designations are those of Table 1 preceded byA9,for example,A95083 for 5083 in accordance with PracticeE527.1.3 The values stated in either SI units(Table 3 and Table 5)or inch-pound units(Table 2 and Table 4)are to be regardedseparately as standa
7、rd.The values stated in each system maynot be exact equivalents;therefore,each system shall be usedindependently of each other.Combining values from the twosystems may result in non-conformance with the standard.1.4 For acceptance criteria for inclusion of new aluminumand aluminum alloys in this spe
8、cification,see Annex A2.1.5 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 t
9、o use.2.Referenced Documents2.1 The following documents of the issue in effect on thedate of material purchase,unless otherwise noted,form a partof this specification to the extent referenced herein:2.2 ASTM Standards:2B209 Specification for Aluminum and Aluminum-AlloySheet and PlateB209M Specificat
10、ion for Aluminum and Aluminum-AlloySheet and Plate(Metric)B221 Specification for Aluminum and Aluminum-Alloy Ex-truded Bars,Rods,Wire,Profiles,and TubesB221M Specification for Aluminum and Aluminum-AlloyExtruded Bars,Rods,Wire,Profiles,and Tubes(Metric)B557 Test Methods for Tension Testing Wrought a
11、nd CastAluminum-and Magnesium-Alloy ProductsB557M Test Methods for Tension Testing Wrought and CastAluminum-and Magnesium-Alloy Products(Metric)B660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB666/B666M Practice for Identification Marking of Alumi-num and Magnesium ProductsB881
12、 Terminology Relating to Aluminum-and Magnesium-Alloy ProductsB985 Practice for Sampling Aluminum Ingots,Billets,Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specificatio
13、nsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE50 Practices for Apparatus,Reagents,and Safety Consid-erations for Chemical Analysis of Metals,Ores,andRelated MaterialsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)1This specification is
14、 under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.03 onAluminum Alloy Wrought Products.Current edition approved June 15,2015.Published July 2015.Originallyapproved in 2003.Last previous edition approved in 2014 as B928/B928M
15、14a.DOI:10.1520/B0928_B0928M-15.2For 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 appe
16、ars at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E607 Test Method for Atomic Emission SpectrometricAnalysis Aluminum Alloys by the Point to Plane Tech-nique Nitrogen Atmosphere(Withdrawn 2011)3E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Alloys for Determination ofChemical Composition by Spectrochemical AnalysisE1251 Test Method for Analysis of Aluminum and Alumi-num Alloys b
