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ASTM A100 - 07 (2012).pdf

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ASTM A100 - 07 (2012).pdf

Designation A100 − 07 Reapproved 2012Standard 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 indicates 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 metric equivalents of inch-pound units SIunits given in parentheses may be approximate.2. Referenced Documents2.1 ASTM Standards2A1025 Specification for Ferroalloys and Other AlloyingMaterials, General RequirementsE11 Specification for Woven Wire Test Sieve Cloth and TestSievesE360 Test Methods for Chemical Analysis of Silicon andFerrosilicon Withdrawn 200633. 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 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 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 Table 2 are typical as shipped fromthe manufacturer’s 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, therefore, 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 with 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 purchaser.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. Originallyapproved in 1925. Last previous edition approved in 2007 as A100 – 07. DOI10.1520/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 standard’s Document Summary page onthe 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 States1TABLE 1 Chemical RequirementsElement GradeC CA CB C1 C2 D DA E EA E1 F F1 F1A G GA G1 G1AComposition, A,BSilicon 74.0–79.074.0–79.074.0–79.074.0–79.074.0–79.065.0–70.065.0–70.047.0–51.047.0–51.047.0–51.020.0–24.020.0–24.020.0–24.014.0–17.014.0–17.014.0–17.014.0–17.0Carbon 0.10 0.10 0.10 0.10 0.10 0.10 0.10 .010 .010 0.10 0.50 0.50 0.50 0.70 0.70 0.70 0.70Sulfur 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025Phosphorous 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.040 0.040 0.040 0.120 0.120 0.120 0.120 0.120 0.120 0.120Aluminum 1.50 0.50 0.10 1.00–1.501.00–1.501.25 0.10 1.25 0.40 1.25 1.00 1.00 1.00 0.75 0.75 0.75 0.75Manganese 0.40 0.40 0.40 0.40 0.40 0.50 0.50 0.75 0.75 0.75 1.00 1.00 1.00 1.25 1.25 CalciumC0.51.50Boron 0.04–0.10 0.04–0.100.04–0.10 0.04–0.100.04–0.10AA 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 .CMinimum.A100−0720122SUPPLEMENTARY 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 TolerancesGrades Standard SizesTolerances and Sieve Sizes Defined byASTM Specification E11FriabilityRatingAC,D,E 8-in. 203-mm by 4-in.102-mm90-lb 40.8-kg lump, max 10 , max, passing 4-in. 102-mmsieve8-in. 203-mm by 2-in.50.8-mm90-lb 40.8-kg lump, max 10 , max, passing 2-in. 50.8-mmsieve5-in. 127-mm by 2-in.50.8-mm10 , max, retained on 5-in. 127-mmsieve10 , max, passing 2-in. 50.8-mmsieve4-in. 102-mm by1⁄2-in.12.7-mm10 , max, retained on 4-in. 102-mmsieve10 , max, passing1⁄2-in. 12.7-mmsieve4-in. 102-mm by down 10 , max, retained on 4-in. 102-mmsieve12 , max, passing1⁄4-in. 6.35-mmsieve3-in. 76.2-mm by1⁄2-in.12.7-mm10 , max, retained on 3-in. 76.2-mmsieve15 , max, passing1⁄2-in. 12.7-mmsieve3-in. 76.2-mm by down 10 , max, retained on 3-in. 76.2-mmsieve15 , max, passing No. 8 2.38-mmsieve2-in. 50.8-mm by1⁄2 in. 12.7-mm 10 , max, retained on 2-in. 50.8-mmsieve15 , max, passing1⁄2-in. 12.7-mmsieve2-in. 50.8-mm by down 10 , max, retained on 2-in. 50.8-mmsieve15 , max, passing No. 8 2.38-mmsieve1-in. 25.4-mm by No. 82.38-mm5 , max, retained on 1-in. 25.4-mmsieve10 , max, passing No. 8 2.38-mmsieve1-in. 25.4-mm by down 5 , max, retained on 1-in. 25.4-mmsieve20 , max, passing No. 8 2.38-mmsieveC,D,F Lump or Pig 90-lb 40.8-kg lump or pig, maxC,D,E1⁄2-in. 12.7-mm by No. 8 2.38-mm 5 , max, retained on1⁄2-in. 12.7-mmsieve10 , max, passing No. 8 2.38-mmsieve3⁄8-in. 9.51-mm by No. 63.36-mm5 , max, retained on3⁄8-in. 9.51-mmsieve10 , max, passing No. 6 3.36-mmsieve3⁄8-in. 9.51-mm by No. 12 1.68-mm 5 , max, retained on3⁄8-in. 9.51-mmsieve10 , max, passing No. 14 1.41-mmsieve3⁄8-in. 9.51-mm by down 5 , max, retained on3⁄8-in. 9.51-mmsieve15 , max, passing No. 70 0.21-mmsieve1⁄4-in. 6.35-mm by down 5 , max, retained on1⁄4-in. 6.35-mmsieveNo. 8 2.38-mm by down 5 , max, retained on No. 8 2.38-mmsieveNo. 28 841-m by down 5 , max, retained on No. 20 841-msieveG pig 90-lb 40.8-kg pig, max.ASee Appendixes.A100 − 07 20123TABLE S1.1 Supplementary Chemical RequirementsElement GradeC CA CB C1 C2 D DA E EA E1 E1A F F1 F1A G GA G1 G1AComposition, maximumChromium 0.30 0.30 0.30 0.50 0.50 0.50 0.50 0.15 0.15 0.25 0.25 0.25 0.25 0.25 Nickel 0.10 0.10 0.10 0.20 0.20 0.30 0.30 Copper 0.10 0.10 0.10 0.20 0.20 0.30 0.30Titanium 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20A100−0720124APPENDIXNonmandatory InformationX1. FRIABILITY RATINGSX1.1 Proposed friability ratings are shown in Table X1.1 asfollowsSUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue A100 – 04that may impact the use of this standard.1 Revised Table 1 and footnotes to Table 1.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 phone, 610-832-9555 fax, or serviceastm.org e-mail; or through the ASTM websitewww.astm.org. Permission rights to photocopy the standard may also be secured from the ASTM website www.astm.org/COPYRIGHT/.TABLE X1.1 Proposed Friability Ratings for FerrosiliconProductGradeProposedFriabilityRatingC4D4E5F4G2A100 − 07 20125

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