1、Designation: A 1025 05Standard Specification forFerroalloys and Other Alloying Materials, GeneralRequirements1This standard is issued under the fixed designation A 1025; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l
2、ast revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers a group of common require-ments that, unless otherwise specified in an individual speci-fic
3、ation, shall apply to ferroalloys and other alloying materialsunder each of the following ASTM specifications:Title of Specification ASTM DesignationFerromanganese A99Ferrosilicon A 100Ferrochromium A 101Ferrovanadium A 102Ferromolybdenum A 132Molybdenum Oxide Products A 146Ferroboron A 323Ferrotita
4、nium A 324Chromium Metal A 481Ferrochrome-Silicon A 482Silicomanganese A 483Calcium-Silicon Alloys A 495Ferrocolumbium A 550Electrolytic Manganese Metal A 601Nickel Oxide Sinter A 636Ferromanganese Silicon A 701Titanium Scrap for Use in Deoxidation and Alloying of Steel A 845Aluminum Scrap for Use i
5、n Deoxidation and Alloying of Steel A 846Silicon Metal A 9221.2 This specification also covers a group of supplementaryrequirements which may be applied to the above specificationsas indicated therein. These are provided for use when addi-tional testing or inspection is desired and apply only whensp
6、ecified individually by the purchaser in the order.1.3 In case of conflict between the requirements of theindividual specification and this general specification, theformer shall prevail.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is t
7、heresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2A99 Specification for FerromanganeseA 100 Specification for FerrosiliconA 101 Specif
8、ication for FerrochromiumA 102 Specification for FerrovanadiumA 132 Specification for FerromolybdenumA 146 Specification for Molybdenum Oxide ProductsA 323 Specification for FerroboronA 324 Specification for FerrotitaniumA 481 Specification for Chromium MetalA 482 Specification for Ferrochrome-Silic
9、onA 483 Specification for SilicomanganeseA 495 Specification for Calcium-Silicon AlloysA 550 Specification for FerrocolumbiumA 601 Specification for Electrolytic Manganese MetalA 610 Test Methods for Sampling and Testing Ferroalloysfor Determination of SizeA 636 Specification for Nickel Oxide Sinter
10、A 701 Specification for Ferromanganese-SiliconA 845 Specification for Titanium Scrap for Use in Deoxi-dation and Alloying of SteelA 846 Specification for Aluminum Scrap for Use in Deoxi-dation and Alloying of SteelA 922 Specification for Silicon MetalE29 Practice for Using Significant Digits in Test
11、 Data toDetermine Conformance with SpecificationsE32 Practices for Sampling Ferroalloys and SteelAdditivesfor Determination of Chemical Composition3. Ordering Information3.1 Orders for material should include the following asrequired, to describe the material adequately:3.1.1 ASTM designation and ye
12、ar of issue,3.1.2 Grade of material,1This 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, 2005. Published March 2005. Originallyapproved in 2
13、002. Last previous edition approved in 2002 as A 1025 - 02.2For 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.1*
14、A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.3 Size of material,3.1.4 Quantity,3.1.5 Packaging requirements, and3.1.6 Supplementary requirements desired, includin
15、g thestandards of acceptance.4. Chemical Analysis4.1 The chemical analysis method shall be agreed upon bythe purchaser and supplier.4.2 The manufacturer shall furnish a certificate referencingthe chemical analysis and appropriate supplementary require-ments in the material specification.4.3 For purp
16、oses of determining conformance with thisspecification, the reported analysis shall be rounded to thenearest unit in the last right-hand place of figures, used inexpressing the limiting value, in accordance with the roundingmethod of Practice E29.5. Sampling5.1 Unless otherwise specified, the materi
17、al shall besampled for determination of chemical composition in accor-dance with Practices E32 and for determination of size inaccordance with Test Methods A 610.5.2 In the case of a discrepancy, Practices E32 or TestMethods A 610, as applicable, shall be used for referee.6. Inspection6.1 The manufa
18、cturer shall afford the inspector representingthe purchaser all reasonable facilities, without charge, to satisfythe purchaser that the material is being furnished in accordancewith the material specification.7. Rejection7.1 Any rejections based on tests made in accordance withthe material specifica
19、tion shall be reported to the manufacturerwithin 45 days from receipt of material by the purchaser.8. Certification8.1 The manufacturers certification shall be furnished tothe purchaser at the time of shipment stating that the materialwas manufactured, sampled, tested, and inspected in accor-dance w
20、ith the material specification and was found to meet therequirements.9. Packaging and Package Marking9.1 Each lot/shipment shall be identified with appropriateidentification showing the material, the ASTM designation, thesize, the lot number, and name brand or trademark.9.2 When the shipment is made
21、 in containers, each shall bemarked on the container or on a label or tag attached to thecontainer.10. Keywords10.1 alloying materials; ferroalloy; general requirementsSUPPLEMENTARY REQUIREMENTSThe following standardized supplementary requirements are for use when desired by the purchaserand when al
22、lowed by and listed in the individual specifications. They shall not apply unless specifiedin order, in which event the specified tests shall be made by the manufacturer before shipping.S1. Supplementary Chemical RequirementsS1.1 Restrictions on the chemical requirements shall beagreed upon by the p
23、urchaser and supplier.S2. SizeS2.1 Screened products shall conform to the sizes given inTable S2.1.S2.2 The sizes listed in Table S2.1 are typical as shippedfrom the manufacturers plant. The size and friability of theproduct shall be agreed upon by the purchaser and supplier.NOTE S1Ferroalloys exhib
24、it varying degrees of friability; therefore,some attrition may be expected in transit and handling. A quantitative testis not available for rating friability of ferroalloys. A code system has beendeveloped for this purpose, and a number rating for each product type isgiven.A1025052APPENDIXES(Nonmand
25、atory Information)X1. APPLICABLE SIEVE DESIGNATIONSX1.1TABLE S2.1 Requirements for Screened ProductsANominalSize, in.Standard OrderedSize, in.BMaximum Allowable Oversize Maximum Allowable UndersizeFriability RatingCode No.CSize Percent Size PercentLump to Crushed Sizes:6 8 by 4 to 10 in. 10 % throug
26、h 4 in. 10 % 1-65 8 by 2 to 10 in. 10 % through 2 in. 10 % 1-64 6 by 2 to 8 in. 10 % through 2 in. 10 % 1-6312 5 by 2 to 7 in. 10 % through 2 in. 10 % 1-63 (A) 5 by 1 to 7 in. 10 % through 1 in. 10 % 1-63 (B) 4 by 2 to 6 in. 10 % through 2 in. 10 % 1-6212 4 by 1 to 6 in. 10 % through 1 in. 10 % 1-62
27、14 4by12 to 5 in. 10 % through12 in. 10 % 1-62 3 by 1 to 4 in. 10 % through 1 in. 10 % 1-6112 3by12 to 4 in. 10 % through12 in. 10 % 1-6114 2by12 to 3 in. 10 % through12 in. 10 % 1-6118 2by14 to 3 in. 10 % through14 in. 10 % 1-6Small Crushed Sizes by Down:2 4 by D to 5 in. 10 % through12 in. 15 % 1-
28、6112 3 by D to 4 in. 10 % through18 in. 15 % 1-61 2 by D to 3 in. 10 % through18 in. 15 % 1-4to 3 in. 8 % through No. 8 20 % 5,612 1byD to112 in. 10 % through No. 16 15 % 1-4to 112 in. 8 % through No. 20 15 % 5,612 by D to34 in. 10 % through No. 20 15 % 1-4to34 in. 8 % through No. 70 20 % 5,6AFor sc
29、reened products below12 in. by down-crushed sizes, size tolerances should be agreed upon between manufacturer and purchaser.B1 in. = 25.4 mm.CSee Appendix X1 for description of rating code.TABLE X1.1 Sieve DesignationStandard Alternative250 mm 10 in.200 mm 8 in.175 mm 7 in.150 mm 6 in.125 mm 5 in.10
30、0 mm 4 in.75 mm 3 in.50 mm 2 in.25 mm 1 in.19 mm34 in.12.5 mm12 in.6.3 mm14 in.3.1 mm18 in.2.36 mm No. 81.18 mm No. 16850 mANo. 20212 m No. 70A1000 m=1mm.A1025053X2. FRIABILITY RATINGS OF FERROALLOYSX2.1 Descriptions of material of each friability rating aregiven in Table X2.1.SUMMARY OF CHANGESComm
31、ittee A01 has identified the location of selected changes to this standard since the last issue(A 1025 - 02) that may impact the use of this standard (Approved March 1, 2005).(1) Revised title and 1.1. (2) Added “alloying materials” to Section 10 on Keywords.ASTM International takes no position resp
32、ecting 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 s
33、tandard 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 Interna
34、tional 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 bel
35、ow.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
36、(fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE X2.1 Friability Ratings of FerroalloysFriabilityCode No.Description1 Very tough materials that are susceptible to little, if any, breakageduring shipment or handling. (Example: low-carbon ferrochrome)2 Some breakage
37、of large pieces probable in shipping and handling.No appreciable fines produced from either lump or crushed sizes.(Example: chrome metal)3 Appreciable reduction in size of large pieces possible in shippingand handling. No appreciable production of fines in handling ofcrushed sizes. (Example: ferroti
38、tanium)4 Appreciable reduction in size of large pieces upon repeatedhandling. Some fines produced upon repeated handling ofcrushed sizes. (Example: standard ferromanganese)5 Appreciable reduction in size in repeated handling of large pieces.Appreciable fines may be produced in the handling of crushedsizes. (Example: 50 % ferrosilicon)6 This category represents the most friable alloys. (Example: calciumsilicon)A1025054
