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本文(ASTM A636-2008(2013) Standard Specification for Nickel Oxide Sinter《氧化镍烧结块的标准规格》.pdf)为本站会员(towelfact221)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM A636-2008(2013) Standard Specification for Nickel Oxide Sinter《氧化镍烧结块的标准规格》.pdf

1、Designation: A636 08 (Reapproved 2013)Standard Specification forNickel Oxide Sinter1This standard is issued under the fixed designation A636; 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 pa

2、rentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers one grade of nickel oxidesinter, designated as 75 used for alloying in iron and steelmelting.2. Referenced Documents2.1 A

3、STM Standards:2A1025 Specification for Ferroalloys and Other AlloyingMaterials, General Requirements3. General Conditions for Delivery3.1 Materials furnished to this specification shall conform tothe requirements of Specification A1025, including any supple-mentary requirements that are indicated in

4、 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 Requirements4.1 The

5、 chemical requirements are shown in Table 1.5. Sampling for Chemical Analysis5.1 The material shall be sampled in accordance withprocedures outlined below:5.1.1 The sample shall be taken by cutting across the entirestream at regular intervals during the time of movement of themass being sampled. The

6、 quantity to be taken at each intervaland the number of such intervals shall be so proportioned thatthe total quantity taken shall amount to not less than 0.40 % ofthe total material being sampled.5.2 Treatment of Sample:5.2.1 In the case of nickel oxide sinter 75, the samplerepresenting each shipme

7、nt or lot shall be reduced in amountusing a riffle splitter or other suitable mechanical splitter to1000 g. This 1000-g sample shall be placed in an oven at 250F(121C) for12 h to remove any traces of moisture, and thenpulverized to pass an 80-mesh screen using appropriate equip-ment to avoid sample

8、contamination. Approximately 250 g ofthis pulverized material shall be split out for copper and sulfurassays, using a riffle splitter or other suitable mechanicalsplitter. The unused portion of individual shipment (or lot)samples whose copper and sulphur assays are within specifi-cation shall be com

9、bined by weight into two, three, or four lotcomposites. Approximately 250 g of the composited materialshall be split out, using a riffle splitter or other suitablemechanical splitter and analyzed for nickel. This nickel analy-sis shall apply to each shipment (or lot) comprising thecomposite.6. Keywo

10、rds6.1 nickel; nickel oxide; sinter1This 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 April 1, 2013. Published April 2013. Originallyapproved in 19

11、70. Last previous edition approved in 2008 as A636 - 08. DOI:10.1520/A0636-08R13.2For 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

12、 onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standa

13、rd 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

14、 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, whi

15、ch 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,U

16、nited 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 website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Chemical RequirementsElementComposition, %Grade 75Nickel, min 75.00Cobalt, max 1.30Copper, max 0.90Iron, max 0.50Sulfur, max 0.02A636 08 (2013)2

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