1、Designation:A34514Standard Specification forFlat-Rolled Electrical Steels for Magnetic Applications1This standard is issued under the fixed designation A345;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A
2、number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers general procedures for speci-fying requirements in the procurement and delivery of flat-rolled electrical steels
3、for magnetic applications.When anapplicable individual specification does not exist,this specifi-cation enables the user to order a suitable material to besupplied under controlled conditions with respect to magneticquality,sampling,testing,packaging,and so forth,by specify-ing certain requirements
4、on the purchase order and citing thisspecification.1.2 Individual ASTM electrical steel specifications that arein conformity with this specification are Specifications A677,A683,A726,A840,A876,and A1086.NOTE1For more information on other standards associated with thisspecification,refer to the follo
5、wing:Test Methods A341/A341M,A343/A343M,A348/A348M,A596/A596M,A712,A717/A717M,A719/A719M,A720/A720M,A721/A721M,A773/A773M,A804/A804M,A889/A889M,A937/A937M,A971/A971M,and Practice A664.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresp
6、onsibility 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:2A34/A34M Practice for Sampling and Procurement Testingof Magnetic MaterialsA340 Terminology
7、of Symbols and Definitions Relating toMagnetic TestingA341/A341M Test Method for Direct Current MagneticProperties of Materials Using D-C Permeameters and theBallistic Test MethodsA343/A343M Test Method for Alternating-Current Mag-netic Properties of Materials at Power Frequencies UsingWattmeter-Amm
8、eter-Voltmeter Method and 25-cm Ep-stein Test FrameA348/A348M Test Method forAlternating Current MagneticProperties of Materials Using the Wattmeter-Ammeter-Voltmeter Method,100 to 10 000 Hz and 25-cm EpsteinFrameA596/A596M Test Method for Direct-Current MagneticProperties of Materials Using the Bal
9、listic Method andRing SpecimensA664 Practice for Identification of Standard Electrical SteelGrades in ASTM SpecificationsA677 Specification for Nonoriented Electrical Steel FullyProcessed TypesA683 Specification for Nonoriented Electrical Steel,Semi-processed TypesA700 Practices for Packaging,Markin
10、g,and Loading Meth-ods for Steel Products for Shipment(Withdrawn 2014)3A712 Test Method for Electrical Resistivity of Soft Mag-netic AlloysA717/A717M Test Method for Surface Insulation Resistivityof Single-Strip SpecimensA719/A719M Test Method for Lamination Factor of Mag-netic MaterialsA720/A720M T
11、est Method for Ductility of NonorientedElectrical SteelA721/A721M Test Method for Ductility of Oriented Electri-cal SteelA726 Specification for Cold-Rolled Magnetic LaminationQuality Steel,Semiprocessed TypesA773/A773M Test Method for dc Magnetic Properties ofMaterials Using Ring and Permeameter Pro
12、cedures withdc Electronic HysteresigraphsA804/A804M Test Methods for Alternating-Current Mag-netic Properties of Materials at Power Frequencies UsingSheet-Type Test SpecimensA840 Specification for Fully Processed Magnetic Lamina-tion Steel(Withdrawn 2011)3A876 Specification for Flat-Rolled,Grain-Ori
13、ented,Silicon-Iron,Electrical Steel,Fully Processed Types1This specification is under the jurisdiction of ASTM Committee A06 onMagnetic Properties and is the direct responsibility of Subcommittee A06.02 onMaterial Specifications.Current edition approved May 1,2014.Published May 2014.Originallyapprov
14、ed in 1949 to replace A310.Last previous edition approved in 2009 asA34509.DOI:10.1520/A0345-14.2For 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 Su
15、mmary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 A889/A889M Test Method for Alternating-Current Mag-netic Properties of Mater
16、ials at Low Magnetic FluxDensityUsingtheVoltmeter-Ammeter-Wattmeter-Varmeter Method and 25-cm Epstein FrameA937/A937M Test Method for Determining InterlaminarResistance of Insulating Coatings Using Two AdjacentTest SurfacesA971/A971M Test Method for Measuring Edge Taper andCrown of Flat-Rolled Electrical Steel CoilsA976 Classification of Insulating Coatings for ElectricalSteels by Composition,Relative Insulating Ability andApplicationA1086 Specification for Thin-Gauge Nonoriented ElectricalSteel
