1、Designation: B512 04 (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, th
2、e year of 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 re
3、forging.1.2 The 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 a
4、ny, 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 appropriatesafety and health prac
5、tices, and determine 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 toDet
6、ermine Conformance with 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 stra
7、ightlengths.3.1.2 billet, nmaterial 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 112 by 112 in. (38 by 38 mm) to 10 by 10in. (254 by 254 mm).4. Ordering Information4
8、.1 It is the responsibility of the 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 (
9、round, round-cornered square, etc.).4.1.4 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 s
10、hould be furnished.4.1.8 Purchaser InspectionIf a 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 a
11、s tochemical composition specified in Table 1.5.2 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
12、the shape and dimen-sions specified by the purchaser with 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 b
13、eyond these limits byagreement between purchaser and supplier.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.
14、 Published October 2014. Originallyapproved in 1970. Last previous 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 inf
15、ormation, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17. Workmanship, Finish, and Appearance7.1 The material shall be uniform in quality, commerciallystraight, and fr
16、ee of injurious imperfections.8. Sampling8.1 Lot DefinitionA lot for chemical 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
17、 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 limits for requireme
18、nts of the properties listed in thefollowing table, an observed value, or a calculated value, shallbe rounded as indicated below, in accordance with the round-ing method of Practice E29:TestRounded Unit for Observed orCalculated ValueChemical composition Nearest unit in the last right-hand placeof f
19、igures of the specified limit. If twochoices are possible, as when thedigits dropped are exactlya5ora5followed only by zeros, choose the oneending in an even digit with zerodefined as an even digit.11. Inspection11.1 Inspection of the material shall be as agreed uponbetween the purchaser and the sup
20、plier as part of the purchasecontract.12. Rejection and Rehearing12.1 Material that fails to conform to the requirements ofthis specification may be rejected. Rejection should be reportedto the producer or supplier promptly and in writing. In case ofdissatisfaction with the results of the test, the
21、producer orsupplier may make claim for a rehearing.13. Certification13.1 When specified in the purchase order or contract, aproducers or suppliers certification shall be furnished to thepurchaser that the material was manufactured, sampled, tested,and inspected in accordance with this specification
22、and hasbeen found to meet the requirements. When specified in thepurchase order or contract, a report of the test results shall befurnished.14. Product Marking14.1 The following information shall be marked on thematerial or included on the package, or on a label or tagattached thereto: The name of t
23、he material or UNS number,heat number, ASTM B512-XX, the size, gross, and net weight,consignor and consignee address, and contract or order num-ber.15. Keywords15.1 bar; billet; high-temperature alloyASTM International takes no position respecting the validity of any patent rights asserted in connec
24、tion with any item mentionedin this standard. Users of this standard 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 responsib
25、le technical committee and must be reviewed every five years andif 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 con
26、sideration at a meeting of theresponsible technical committee, which 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
27、Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United 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 web
28、site(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Chemical RequirementsElementCompositionLimits, %Carbon 0.08 maxManganese 2.00 maxPhosphorus 0.03 maxSulfur 0.03 maxSilicon 0.751.50Chromium 17.020.0Nickel 34.037.0Copper 1.00 maxLead 0.005 maxTin 0.025 maxIron remainderAAElement shall be determined arithmetically by difference.B512 04 (2014)2
