ASTM B880-2003(2008) Standard Specification for General Requirements for Chemical Check Analysis Limits for Nickel Nickel Alloys and Cobalt Alloys《镍、镍合金及钴合金化学检验分析限值一般要求的标准规范》.pdf
《ASTM B880-2003(2008) Standard Specification for General Requirements for Chemical Check Analysis Limits for Nickel Nickel Alloys and Cobalt Alloys《镍、镍合金及钴合金化学检验分析限值一般要求的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM B880-2003(2008) Standard Specification for General Requirements for Chemical Check Analysis Limits for Nickel Nickel Alloys and Cobalt Alloys《镍、镍合金及钴合金化学检验分析限值一般要求的标准规范》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: B 880 03 (Reapproved 2008)Standard Specification forGeneral Requirements for Chemical Check Analysis Limitsfor Nickel, Nickel Alloys and Cobalt Alloys1This standard is issued under the fixed designation B 880; the number immediately following the designation indicates the year oforigina
2、l adoption or, in the case of revision, the year of last 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. Scope1.1 This specification covers limits of variation for deter-mining ac
3、ceptability of the chemical composition of cast orwrought nickel, nickel alloy, and cobalt alloy parts and/ormaterial supplied by a producer. Check analysis limits forelements or for ranges of elements not currently listed hereinshall be as specified in the applicable material specification oras agr
4、eed upon by purchaser and supplier.1.2 In case of any conflicting requirements, the require-ments of the purchase order, the individual material specifica-tion, and this general specification shall prevail in the sequencenamed.1.3 When specifically referenced in the material specifica-tion, the buye
5、r may elect to apply check analysis limit todetermine acceptability at his final acceptance or verificationprocedures. Check analysis limits are not permitted or are to beused by the producer for their own ladle or ingot analysisacceptance testing.1.4 This standard does not purport to address all of
6、 thesafety concerns if any, associated with 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 appropria
7、tesafety and health practices, and determine the applicability ofregulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2E55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical CompositionE88 Practice for Sampling Nonferrous Metals and Alloy
8、sin Cast Form for Determination of Chemical CompositionE 1473 Test Methods for Chemical Analysis of Nickel,Cobalt, and High-Temperature Alloys2.2 SAE Standards:AMS 2269 Chemical Check Analysis Limits Nickel, NickelAlloys and Cobalt alloys3. Terminology3.1 Definitions:3.1.1 check (product or verifica
9、tion) analysis, nanalysismade by buyer of parts and materials to verify conformity tospecification, or to determine variations in compositions withina heat or lot.3.1.1.1 DiscussionHeat or lot acceptance or rejection ofparts and materials may be made by applying check limits asdescribed in 3.1.2. Ch
10、eck limits of finished parts or material donot apply to elements whose percentage can be varied byfabricating techniques employed unless the sample is taken insuch a manner as to exclude such variations.3.1.2 variation limit, under minimum or over maximum,nit is the amount of variation for a specifi
11、ed element, whichmay vary either under or over the specified composition limitduring an individual check analysis.3.1.2.1 DiscussionIn no case shall the reported determi-nations of any element in a heat, using the same analyticalprocedure, vary both above and below the specified range.3.1.3 remainde
12、r or balance, nrefers to main element,which forms the basis of that particular alloy and from whichthe alloy is made.3.1.3.1 DiscussionIt is assumed to be present in anamount approximately equal to the difference between 100 %and the sum percentage of the alloying elements and listedimpurities or re
13、sidual elements. It need not be analyzed or needan actual percentage figure for reporting purposes.3.1.4 residual elements, each, maximum, nthe maximumamount of an individual element not mentioned specifically inthe specified composition, but which may be present, due topresence in starting raw mate
14、rials or manufacturing processes.3.1.4.1 DiscussionProducers will not normally analyzefor such elements, unless specifically asked for in the specifi-cation or purchase order.1This specification is under the jurisdiction of Committee B02 on NonferrousMetals and Alloys and is the direct responsibilit
15、y of Subcommittee B02.07 onRefined Nickel and Cobalt and Their Alloys.Current edition approved March 1, 2008. Published March 2008. Originallyapproved in 1998. Last previous edition approved in 2003 as B 880 - 03.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Cu
16、stomer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.4.2 DiscussionReporting analy
17、ses of unspecified ele-ments is permitted.3.1.5 residual elements, total, maximum, nthe sum total ofthe residual elements (see 3.1.4) which may be possiblypresent.3.1.5.1 DiscussionIt is not inferred by this statement thatan analysis need be made for each element of the periodic tablenot mentioned s
18、pecifically in the composition section.4. Technical Requirements4.1 Analytical ProceduresReferee analysis shall be byany method acceptable to purchaser and vendor.4.2 Check Analysis LimitsShall be as shown in Table 1.TABLE 1 Check Analysis VariationElementLimit or Maximum ofSpecified Element, %Varia
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