1、Designation: B 364 96 (Reapproved 2009)Standard Specification forTantalum and Tantalum Alloy Ingots1This standard is issued under the fixed designation B 364; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. 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 unalloyed and alloyed tanta-lum ingots prepared by vacuum-arc melting, electron-beammelting, or powder-m
3、etallurgy consolidation to produce con-solidated metal for processing to various mill shapes.1.2 The materials covered by this specification are:1.2.1 R05200, unalloyed tantalum, electron-beam furnaceor vacuum-arc melt, or both,1.2.2 R05400, unalloyed tantalum, powder-metallurgy con-solidation,1.2.3
4、 R05255, tantalum alloy, 90 % tantalum 10 % tungsten,electron-beam furnace or vacuum-arc melt, or both,1.2.4 R05252, tantalum alloy, 97.5 % tantalum 2.5 % tung-sten, electron-beam furnace or vacuum-arc melt, or both, and,1.2.5 R05240 tantalum alloy, 60 % tantalum 40 % colum-bium, electron-beam furna
5、ce or vacuum-arc melt, or both.2. Referenced Documents2.1 ASTM Standards:2E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications3. Ordering Information3.1 Orders for material under this specification shall includethe following information as applicable:3.1
6、.1 Type (see 1.2),3.1.2 Quantity in weight or pieces,3.1.3 Size, diameter, and length,3.1.4 Method of manufacture (Section 4),3.1.5 ASTM designation, and3.1.6 Additions to the specification and supplementary re-quirements if required.4. Materials and Manufacture4.1 The ingot metal for Type R05200 (u
7、nalloyed tantalum),for Type R05255 (90 % tantalum 10 % tungsten alloy), TypeR05252 (97.5 % tantalum 2.5 % tungsten), and Type R05240(60 % tantalum 40 % columbium) may be vacuum-arc melted,electron-beam furnace melted, or a combination of these twomethods. The metal for Type R05400 is defined as powd
8、er-metallurgy consolidation unalloyed tantalum.5. Chemical Composition5.1 The material shall conform to the requirements forchemical composition in accordance with Table 1.5.1.1 Analysis for elements not listed in Table 1 and notnormally expected in tantalum shall not be required unlessspecified at
9、time of purchase.5.2 In the event of dispute over conformity of the material tothis specification, upon agreement between the purchaser andthe seller as to procedure, representative samples of thematerial may be submitted to a referee for analysis.6. Permissible Variation6.1 QuantityThe permissible
10、overshipment shall be nego-tiated between the purchaser and the manufacturer.7. Workmanship, Finish, and Appearance7.1 The manufacturer shall use care to have each lot of ingotmaterial as uniform in quality as possible.7.2 When specified, the ingots shall be conditioned on thesurface to standards ag
11、reed upon between the manufacturer andthe purchaser.7.3 In the conditioned ingot, no abrupt change in diameteror local depressions that will impair subsequent fabrication willbe permitted. The difference between maximum and minimumradius of the conditioned ingot shall not exceed 20 % of themaximum r
12、adius.7.4 Each ingot shall be tested for soundness by nondestruc-tive test methods, such as dye penetrant and ultrasonic tests.Methods and acceptance standards shall be as mutually agreedupon between the purchaser and the manufacturer.7.5 Defects in the ingots that exceed the acceptance stan-dards s
13、hall be removed by cropping or surface conditioning,whichever is appropriate. The manufacturer shall be permittedto remove surface imperfections provided that after eachremoval the requirements of conditioning are met (see 7.3).7.6 The ingots shall be free of imperfections that would bedeemed injuri
14、ous by the standards of acceptability agreed uponbetween the purchaser and the manufacturer.1This specification is under the jurisdiction of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct responsibility ofSubcommittee B10.03 on Niobium and Tantalum.Current edition a
15、pproved May 1, 2009. Published June 2009. Originallyapproved in 1961. Last previous edition approved in 2002 B 364 96 (2002).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,
16、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.8. Significance of Numerical Limits8.1 For the purpose of determining compliance with thespecified limit for requirements
17、 of the properties listed in thetables, an observed value or a calculated value shall be roundedas indicated in accordance with the rounding method ofPractice E29.9. Sampling9.1 Care shall be exercised to ensure that the sampleselected for testing is representative of the material and that itis not
18、contaminated by the sampling procedure. If there is anyquestion relating to the sampling techniques or to the analysisthereof, the methods for sampling and analysis shall be asagreed upon between the purchaser and the manufacturer.10. Rejection and Rehearing10.1 Material that fails to conform to the
19、 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 producer orsupplier may make claim for a rehearing.11. Referee11.1 In the event of disagreement between the
20、 manufacturerand the purchaser on the conformance of the material to therequirements of this specification or any special test specifiedby the purchaser, a mutually acceptable referee shall performthe tests in question. The results of the referees testing shall beused in determining the conformance
21、of the material to thisspecification.12. Certification12.1 When specified in the purchase order or contract, aproducers or suppliers certificate shall be furnished to thepurchaser that the material was manufactured, sampled, tested,and inspected in accordance with the specification and has beenfound
22、 to meet the requirements. When specified in the pur-chase order or contract, a report of the test results shall befurnished.13. Packaging and Package Marking13.1 Each ingot shall be marked for identification by metaldie stamping the manufacturers ingot number on the top of theingot. Each box or ski
23、d shall be marked or tabbed legibly andconspicuously with the number, type of material, ingot num-ber(s), manufacturers identification, nominal size, and thegross, net, and tare weights.13.2 Unless otherwise specified, material purchased underthis specification must be boxed or banded on skids in su
24、ch amanner as to secure safe delivery to its destination whenproperly transported by any common carrier.14. Keywords14.1 chemistry; mechanical properties; tantalum; tantalumalloyASTM International takes no position respecting the validity of any patent rights asserted in connection with any item men
25、tionedin 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 responsible technical committee
26、 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 consideration at a meetin
27、g 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 Barr Harbor Drive, PO
28、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 website(www.astm.org).TAB
29、LE 1 Chemical RequirementsElementContent, max, weight %Electron-Beam Cast(R05200) Vacuum-Arc Cast (R05200)Unalloyed TantalumSintered (R05400)Unalloyed TantalumElectron-Beam Cast(R05255) Vacuum-ArcCast (R05255) 90 %Tantalum 10 %TungstenElectron-Beam Cast(R05252) Vacuum-ArcCast (R05252) 97.5 %Tantalum
30、 2.5 %TungstenElectron-Beam Cast(R05240) Vacuum-ArcCast (R05240) 60 %Tantalum 40 %ColumbiumC 0.010 0.010 0.010 0.010 0.010O 0.015 0.03 0.015 0.015 0.020N 0.010 0.010 0.010 0.010 0.010H 0.0015 0.0015 0.0015 0.0015 0.0015Nb 0.10 0.10 0.10 0.50 34.040.0Fe 0.010 0.010 0.010 0.010 0.010Ti 0.010 0.010 0.010 0.010 0.010W 0.050 0.050 9.011.0 2.03.5 0.50Mo 0.020 0.020 0.020 0.020 0.020Si 0.005 0.005 0.005 0.005 0.005Ni 0.010 0.010 0.010 0.010 0.010Ta remainder remainder remainder remainder remainderB 364 96 (2009)2
