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ASTM_B_39_-_79_2013.pdf

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1、Designation:B3979(Reapproved 2013)Standard Specification forNickel1This standard is issued under the fixed designation B39;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the

2、 year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers refined nickel primarily pro-duced from ore or matte or similar raw material.The principalcommercial forms are cathodes,briquettes,and pellets.1.2 Th

3、e values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated wi

4、th its use.It is theresponsibility of the user of this standard to become familiarwith all hazards including those identified in the appropriateMaterial Safety Data Sheet(MSDS)for this product/materialas provided by the manufacturer,to establish appropriatesafety and health practices,and determine t

5、he applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE39 Methods for Chemical Analysis of Nickel(Withdrawn1995)33.Ordering Information3.1 Orders for material

6、under this specification shall includethe following information:3.1.1 Name of material(nickel),3.1.2 ASTM designation(E39),3.1.3 Form(state whether cathodes,briquettes,or pellets),and3.1.4 Size(Section 5).4.Chemical Composition4.1 The nickel shall conform to the requirements of Table 1.4.2 More rest

7、rictive compositions for certain products maybe available.The user is referred to his nickel supplier.5.Dimensions and Permissible Variations5.1 The various forms and sizes commercially available areas follows:FormSizeCathodes112by 114by58in.(38 by 32 by 16 mm)Briquettespillow shaped,about by in.(38

8、 by 32 by 16 mm)Pelletsroughly spherical,about14in.(6.3 mm)diameter6.Sampling6.1 CathodesCathodes may be sampled using either of thefollowing procedures:6.1.1 Template Drilling Procedure:6.1.1.1 Sampling of electronickel cathodes is done on onecathode removed for this purpose from every 60 cathodesp

9、roduced.A template is used to drill successive cathodesdiagonally from corner to corner.Using a suitable drill,one58-in.(16-mm)hole is drilled through each cathode,starting atthe first hole in the template and progressing diagonally,withholes at 314-in.(83-mm)centers.No lubricants shall be used.The

10、drill shall be clean and the drilling speed shall be regulatedto avoid excessive heating.6.1.1.2 The 4 to 8-in.(102 to 203-mm)drilling spirals arecut to14-in.(6-mm)pieces.These cuttings are washed inboiling distilled water then quartered to provide the sample.6.1.2 Alternatively,sheared cathodes may

11、 be sampled bytaking pieces at random from the bottom,middle,and top ofeach package or container.The following number of piecesshall be taken from each drum(containing 500 to 700 lb(227to 317 kg):1-in.2-in.4-in.(25.4-(50.8-(101.6-mm)mm)mm)squares andShipment Lotsquaressquareslarger sizes20 to 25 ton

12、s(18 000 to23 000 kg)42115 to 20 tons(14 000 to18 000 kg)42110 tons(9000 kg)5325 tons(4500 kg)6431This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Cur

13、rent edition approved Feb.1,2013.Published February 2013.Originallyapproved in 1921.Last previous edition approved in 2008 as B39 79(2008).DOI:10.1520/B0039-79R13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of

14、ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.1.2.1 W

15、hen the nickel is shipped in packages or containersother than drums,the number of pieces taken shall be adjustedproportionately to the change in package weight in relation todrums.6.1.2.2 The sample shall be reduced further by shearing,milling,or shaping.One corner(weight about 2 g)shall besheared f

16、rom each 1-in.(25.4-mm)square when the samplecontains 300 pieces or more.If the sample contains less than300 pieces,two opposite corners shall be sheared from eachsquare.6.1.2.3 The 2-in.(50.8-mm)and 4-in.(101.6-mm)squaresshall be sampled with a milling machine or shaper.On oneedge of each square,a cleaning or smoothing cut and then asampling cut shall be made to obtain 1 to 2 g of chips from a2-in.square or 2 to 4 g from a 4-in.square.No lubricants shallbe used.The cutting tool shall be clean a

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