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    ASTM A483-2004 Standard Specification for Silicomanganese《硅锰合金标准规范》.pdf

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    ASTM A483-2004 Standard Specification for Silicomanganese《硅锰合金标准规范》.pdf

    1、Designation: A 483 04Standard Specification forSilicomanganese1This standard is issued under the fixed designation A 483; 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

    2、the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers grades of silicomanganese.2. Referenced Documents2.1 ASTM Standards:2A 1025 Specification for Ferroalloys, General Require-mentsE 11 Specifi

    3、cation for Wire Cloth and Sieves for TestingPurposes3. General Conditions for Delivery3.1 Materials furnished to this specification shall conform tothe requirements of Specification A 1025, including anysupplementary requirements that are indicated in the purchaseorder. Failure to comply with the ge

    4、neral requirements ofSpecification A 1025 constitutes nonconformance with thisspecification. In case of conflict between the requirements ofthis specification and Specification A 1025, this specificationshall prevail.4. Chemical Composition4.1 The various grades shall conform to the requirements ast

    5、o chemical composition specified in Tables 1 and 2.4.2 The manufacturer shall furnish an analysis of eachshipment showing the percentage of each element specified inTable 1.4.3 Upon request of the purchaser, the manufacturer shallfurnish an analysis for the elements specified in Table 2 on acumulati

    6、ve basis over a period mutually agreed upon by themanufacturer and the purchaser.5. Size5.1 The various grades are available in sizes as listed inTable 3.5.2 The sizes listed in Table 3 are typical as shipped fromthe manufacturers plant. These alloys exhibit varying degreesof friability; therefore,

    7、some attrition may be expected intransit, storage, and handling.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 Oct. 1, 2004. Published October

    8、 2004. Originallyapproved in 1963. Last previous edition approved in 2000 as A 483 - 64 (2000).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 Documen

    9、t Summary page onthe ASTM website.TABLE 1 Chemical RequirementsElement Composition, %Grade A Grade B Grade CManganese 65.068.0 65.068.0 65.068.0Silicon 18.521.0 16.018.5 12.516.0Carbon, max 1.5 2.0 3.0Phosphorus, max 0.20 0.20 0.20Sulfur, max 0.04 0.04 0.04TABLE 2 Supplemental Chemical RequirementsC

    10、omposition, max, % All GradesArsenic 0.10Tin 0.010Lead 0.030Chromium 0.50Nickel 0.20Molybdenum 0.101Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any patent rights asse

    11、rted 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

    12、 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 recei

    13、ve 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 Inter

    14、national, 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 throug

    15、h the ASTM website(www.astm.org).TABLE 3 Standard Sizes and TolerancesStandard Sizes (All Grades) TolerancesA8 in. by 4 in. 90 lb lump, max 10 % max passing 4 in. (100 mm) sieve8 in. by 2 in. 90 lb lump, max 10 % max passing 2 in. (50 mm) sieve4 in. by 1 in. 10 % max retained on 4 in. (100 mm) sieve

    16、 10 % max passing 1 in. (25.0 mm) sieve2 in. by14 in. 10 % max retained on 2 in. (50 mm) sieve 10 % max passing14 in. (6.3 mm) sieve2 in. by down. 10 % max retained on 2 in. (50 mm) sieve 15 % max passing No. 8 (2.36 mm) sieveASpecifications of sieve sizes used to define tolerances in this specification are as listed in Specification E 11.A483042


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