1、Designation:B51204(Reapproved 2014)Standard Specification forNickel-Chromium-Silicon Alloy(UNS N08330)Billets andBars1This standard is issued under the fixed designation B512;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year o
2、f last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers wrought heat-resisting alloyUNS N08330 in the form of billets and bars only for reforging.1.2 T
3、he 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 w
4、ith 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
5、the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2B880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel,Nickel Alloys andCobalt AlloysE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with
6、 SpecificationsE1473 Test Methods for Chemical Analysis of Nickel,Cobalt,and High-Temperature Alloys3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 bar,nmaterial of round solid section with uniformcross section along its whole length,furnished in straightlengths.3.1.2 billet,nm
7、aterial of solid section with uniform crosssection along its whole length,furnished in straight lengths.The typical section is round-cornered square with dimensionstypically in the range 112by 112in.(38 by 38 mm)to 10 by 10in.(254 by 254 mm).4.Ordering Information4.1 It is the responsibility of the
8、purchaser to specify allrequirements that are necessary for material ordered under thisspecification.Examples of such requirements include,but arenot limited to,the following:4.1.1 Alloy name or UNS Number.4.1.2 ASTM designation and year of issue.4.1.3 Section(round,round-cornered square,etc.).4.1.4
9、 Dimensions(diameter or thickness,width and length).4.1.5 Quantity(weight or number of pieces).4.1.6 CertificationState if certification is required(Sec-tion 12).4.1.7 Samples for Product(Check)AnalysisState whethersamples for product(check)analysis should be furnished.4.1.8 Purchaser InspectionIf a
10、 purchaser wishes to wit-ness tests or inspections of material at place of manufacture,the purchase order must so state indicating which test orinspections are to be witnessed.5.Chemical Composition5.1 The material shall conform to the requirements as tochemical composition specified in Table 1.5.2
11、If a product(check)analysis is performed by thepurchaser,the material shall conform to the chemistry of Table1,subject to the tolerances provided in Specification B880.6.Dimensions and Permissible Variations6.1 Billets and bars shall conform to the shape and dimen-sions specified by the purchaser wi
12、th a permissible variation of65%.6.1.1 Material may be conditioned by chipping or grindingto remove injurious surface defects provided the depth of theseconditioned areas does not exceed the negative tolerance.6.1.2 Dimensions may vary locally beyond these limits byagreement between purchaser and su
13、pplier.1This 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.Current edition approved Oct.1,2014.Published October 2014.Originallyapproved in 1970.Last pr
14、evious edition approved in 2009 as B512 04(2009).DOI:10.1520/B0512-04R14.2For 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 onthe ASTM w
15、ebsite.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.Workmanship,Finish,and Appearance7.1 The material shall be uniform in quality,commerciallystraight,and free of injurious imperfections.8.Sampling8.1 Lot DefinitionA lot for chemical
16、 analysis shall consistof one heat.8.2 Test Material Selection:8.2.1 Chemical AnalysisRepresentative samples fromeach lot shall be taken during pouring or subsequent process-ing.Product(check)analysis shall be wholly the responsibilityof the purchaser.9.Number of Tests9.1 Chemical AnalysisOne per lot.10.Test Methods10.1 Chemical CompositionIn case of dispute,the chemi-cal analysis shall be made in accordance with Test MethodsE1473.10.2 For purposes of determining compliance with thespecified lim
