1、Designation:A10007(Reapproved 2012)Standard Specification forFerrosilicon1This standard is issued under the fixed designation A100;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 indi
2、cates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers grades of ferrosilicon forsteelmaking and foundry uses.1.2 The values stated in inch-pound units are to be regardedas the standard.The met
3、ric equivalents of inch-pound units(SIunits)given in parentheses may be approximate.2.Referenced Documents2.1 ASTM Standards:2A1025 Specification for Ferroalloys and Other AlloyingMaterials,General RequirementsE11 Specification for Woven Wire Test Sieve Cloth and TestSievesE360 Test Methods for Chem
4、ical Analysis of Silicon andFerrosilicon(Withdrawn 2006)33.General Conditions of Delivery3.1 Materials furnished to this specification shall conform tothe requirements of Specification A1025,including any supple-mentary requirements that are indicated in the purchase order.Failure to comply with the
5、 general requirements of Specifica-tion A1025 constitutes nonconformance with this specification.In case of conflict between the requirements of this specifica-tion and Specification A1025,this specification shall prevail.4.Chemical Composition4.1 The various grades shall conform to the requirements
6、 asto chemical composition prescribed in Table 1.4.2 The manufacturer shall furnish an analysis of eachshipment showing the silicon content and when required,suchof the other elements specified in Table 1.5.Size5.1 The various grades are available in sizes as listed inTable 2.5.2 The sizes listed in
7、 Table 2 are typical as shipped fromthe manufacturers plant.These alloys exhibit varying degreesof friability;therefore,some attrition may be expected intransit,storage,and handling.A quantitative test is not avail-able for rating relative friability of ferroalloys.A code systemhas been developed,th
8、erefore,for this purpose,and a numberrating for each product type is shown in the last column ofTable 2.Definitions applicable to these code numbers are givenin Specification A1025.6.Chemical Analysis6.1 Unless otherwise agreed upon,the chemical analysis ofthe material shall be made in accordance wi
9、th Test MethodsE360.6.2 If alternative methods of analysis are used,MethodsE360 shall be used for referee.6.3 Where a method is not given in Methods E360 for theanalysis for a particular element,the analysis shall be made inaccordance with a procedure agreed upon between the manu-facturer and the pu
10、rchaser.7.Keywords7.1 ferroalloy;ferrosilicon1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved March 1,2012.Published April 2012.Originallyapprove
11、d in 1925.Last previous edition approved in 2007 as A100 07.DOI:10.1520/A0100-12.2For 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 onth
12、e ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*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 States1 TABLE 1 Chemical Requireme
13、ntsElementGradeCCACBC1C2DDAEEAE1FF1F1AGGAG1G1AComposition,%A,BSilicon74.079.074.079.074.079.074.079.074.079.065.070.065.070.047.051.047.051.047.051.020.024.020.024.020.024.014.017.014.017.014.017.014.017.0Carbon0.100.100.100.100.100.100.10.010.0100.100.500.500.500.700.700.700.70Sulfur0.0250.0250.025
14、0.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.025Phosphorous 0.0350.0350.0350.0350.0350.0350.0350.0400.0400.0400.1200.1200.1200.1200.1200.1200.120Aluminum1.500.500.101.001.501.001.501.250.101.250.401.251.001.001.000.750.750.750.75Manganese0.400.400.400.400.400.500.500.750.750.75
15、1.001.001.001.251.25CalciumC0.501.50Boron0.040.100.040.100.040.100.040.100.040.10AA single value indicates a maximum,except for calcium.BWhen shipped in 3000 lb containers,the average boron content of a container shall not vary from the average reported for the entire shipment by more than 0.010%.CM
16、inimum.A100 07(2012)2 SUPPLEMENTARY REQUIREMENTSThe composition shall be further limited to the requirements of Table S1.1.Upon request of thepurchaser,the manufacturer shall furnish an analysis of these elements on a schedule agreed betweenthe manufacturer and purchaser.TABLE 2 Standard Sizes and TolerancesGradesStandard SizesTolerances and Sieve Sizes Defined byASTM Specification E11FriabilityRatingAC,D,E8-in.(203-mm)by 4-in.(102-mm)90-lb(40.8-kg)lump,max10%,max,passing 4-in.(102-mm)sieve8-in.