1、Designation:A32305(Reapproved 2015)Standard Specification forFerroboron1This standard is issued under the fixed designation A323;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indica
2、tes the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers several grades of ferroboron.1.2 The values stated in inch-pound units are to be regardedas the standard.The SI units given in parentheses ar
3、e forinformation only.2.Referenced Documents2.1 ASTM Standards:2A1025 Specification for Ferroalloys and Other AlloyingMaterials,General RequirementsE371 Test Method for The Determination of Boron inFerroboron(Withdrawn 2006)33.General Conditions for Delivery3.1 Materials furnished to this specificat
4、ion shall conform tothe requirements of Specification A1025,including any supple-mentary requirements that are indicated in the purchase order.Failure to comply with the general requirements of Specifica-tion A1025 constitutes nonconformance with this specification.In case of conflict between the re
5、quirements of this specifica-tion and Specification A1025,this specification shall prevail.4.Chemical Composition4.1 The various grades shall conform to the requirements asto chemical composition specified in Table 1.The manufac-turer shall furnish an analysis of each lot showing the percent-age of
6、each element specified.5.Sizing5.1 Ferroboron is available in various sizes such as:2 in.(50.8 mm)by down,1 in.(25.4 mm)by down,14in.(6.35 mm)by down,and 20 mesh(0.841 mm)by down.The size shall beas specified in the order.6.Chemical Analysis6.1 The chemical analysis of the material shall be made ina
7、ccordance with Test Method E371.Where a method is notgiven in Test Method E371 for the analysis for a particularelement,the analysis shall be made in accordance with aprocedure agreed upon by the manufacturer and purchaser.7.Keywords7.1 ferroboron1This specification is under the jurisdiction of ASTM
8、 Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved Nov.1,2015.Published November 2015.Originallyapproved in 1949.Last previous edition approved in 2010 as A323 05(2010).DOI:10.1520/A0323-05R15.2For re
9、ferenced 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.3The last approved version of this historical standard is referenced onww
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15、 Clearance Center,222Rosewood Drive,Danvers,MA 01923,Tel:(978)646-2600;http:/ 1 Chemical RequirementsComposition,%GradeBoronACarbonSiliconAluminumminmaxmaxmaxmaxA112.014.01.52.00.5A212.014.01.52.04.0B117.519.01.52.00.5B217.519.01.52.04.0C119.024.01.52.00.5C219.024.01.52.04.0ABoron shall be reported to the nearest 0.1%.A323 05(2015)2
