ASTM B880-2003 Standard Specification for General Requirements for Chemical Check Analysis Limits for Nickel Nickel Alloys and Cobalt Alloys《镍、镍合金及钴合金的化学检验分析限值用一般要求的标准规范》.pdf
《ASTM B880-2003 Standard Specification for General Requirements for Chemical Check Analysis Limits for Nickel Nickel Alloys and Cobalt Alloys《镍、镍合金及钴合金的化学检验分析限值用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 Standard Specification for General Requirements for Chemical Check Analysis Limits for Nickel Nickel Alloys and Cobalt Alloys《镍、镍合金及钴合金的化学检验分析限值用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 03Standard 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 oforiginal adoption or, in
2、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 acceptability of the
3、 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 agreed upon by purcha
4、ser 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 buyer may elect to app
5、ly 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 thesafety concern
6、s 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 for this product/material as pro-vided by the manufacturer, to establish appropriate safety andhealth pra
7、ctices, and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:E 55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical Composition2E 88 Practice for Sampling Nonferrous Metals and Alloysin Cast Form for Det
8、ermination of Chemical Composition2E 1473 Test Methods for Chemical Analysis of Nickel,Cobalt, and High-Temperature Alloys22.2 SAE Standards:AMS 2269 Chemical Check Analysis LimitsNickel, Nickel Alloys and Cobalt alloys3. Terminology3.1 Definitions:3.1.1 check (product or verification) analysisAnaly
9、sismade 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. Check limits of finished
10、 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 maximumItis the amount of variation for a specified element, which mayvary
11、 either under or over the specified composition limit duringan 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 remainder or balanceRefers to mai
12、n element, whichforms the basis of that particular alloy and from which the alloyis 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 residual elements. It need not
13、 be analyzed or needan actual percentage figure for reporting purposes.3.1.4 residual elements, each, maximumThe maximumamount of an individual element not mentioned specifically inthe specified composition, but which may be present, due topresence in starting raw materials or manufacturing processe
14、s.3.1.4.1 DiscussionProducers will not normally analyzefor such elements, unless specifically asked for in the specifi-cation or purchase order.3.1.4.2 DiscussionReporting analyses of unspecified ele-ments is permitted.1This specification is under the jurisdiction of Committee B02 on NonferrousMetal
15、s and Alloys and is the direct responsibility of Subcommittee B02.07 onRefined Nickel and Cobalt and Their Alloys.Current edition approved July 10, 2003. Published August 2003. Originallyapproved in 1998. Last previous edition approved in 1998 as B 880 - 98.2Annual Book of ASTM Standards, Vol 03.05.
16、1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.5 residual elements, total, maximumThe 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 analy
17、sis need be made for each element of the periodic tablenot mentioned specifically 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 1TABLE 1 Check
18、Analysis VariationElementLimit or Maximum ofSpecified Element, %VariationUnder min or Over maxCarbon Up to 0.02, incl 0.005Over 0.02 to 0.20, incl 0.01Over 0.20 to 0.60, incl 0.02Over 0.60 to 1.00, incl 0.03Manganese Up to 1.00, incl 0.03Over 1.00 to 3.00, incl 0.04Over 3.00 to 6.00, incl 0.07Over 6
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMB8802003STANDARDSPECIFICATIONFORGENERALREQUIREMENTSFORCHEMICALCHECKANALYSISLIMITSFORNICKELNICKELALLOYSANDCOBALTALLOYS

链接地址:http://www.mydoc123.com/p-462623.html