1、Designation: B 350/B 350M 02 (Reapproved 2006)Used in USNRC-RDT standardsStandard Specification forZirconium and Zirconium Alloy Ingots for NuclearApplication1This standard is issued under the fixed designation B 350/B 350M; the number immediately following the designation indicates the yearof origi
2、nal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers vacuum-melted zirconium andzirconium
3、alloy ingots for nuclear application.1.2 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system shallbe used independently
4、 of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.1.3 The following precautionary caveat pertains only to thetest method portions of this specification: This standard doesnot purport to address all of the safety concerns, if any,associated with
5、its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2E29 Practice for Using Significant Digits in Test Data toDetermine Confor
6、mance with SpecificationsE114 Practice for Ultrasonic Pulse-Echo Straight-BeamExamination by the Contact Method3. Terminology3.1 Lot Definitions:3.1.1 castings, na lot shall consist of all castings producedfrom the same pour.3.1.2 ingot, nno definition required.3.1.3 rounds, flats, tubes, and wrough
7、t powder metallurgicalproducts (single definition, common to nuclear and non-nuclear standards), na lot shall consist of a material of thesame size, shape, condition, and finish produced from the sameingot or powder blend by the same reduction schedule and thesame heat treatment parameters. Unless o
8、therwise agreedbetween manufacturer and purchaser, a lot shall be limited tothe product of an 8 h period for final continuous anneal, or toa single furnace load for final batch anneal.3.1.4 sponge, na lot shall consist of a single blendproduced at one time.3.1.5 weld fittings, ndefinition is to be m
9、utually agreedupon between manufacturer and the purchaser.4. Classification4.1 Ingots are furnished in five grades as follows:4.1.1 R60001 Unalloyed Zirconium,4.1.2 R60802 Zirconium-Tin Alloy,4.1.3 R60804 Zirconium-Tin Alloy,4.1.4 R60901 Zirconium-Niobium Alloy, and4.1.5 R60904 Zirconium-Niobium All
10、oy.5. Ordering Information5.1 Orders for material under this specification shouldinclude the following information as required to describeadequately the desired material:5.1.1 Quantity in weight or pieces,5.1.2 Name of material,5.1.3 Grade (Table 1),5.1.4 Size (diameter, length, or weight), in the u
11、nit systemregarded as standard (inch-pound or SI), and5.1.5 ASTM designation and year of issue.NOTE 1A typical ordering description is as follows: two each zirco-nium ingots, Grade R60001, 12 in. diameter by 1000 lb each, ASTMSpecification: B 350/B 350M 01.5.2 In addition to the data specified in 5.
12、1, the followingoptions and points of agreement between the manufacturer andthe purchaser should be specified in the purchase order ifrequired:1This specification is under the jurisdiction of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct responsibility ofSubcommitt
13、ee B10.02 on Zirconium and Hafnium.Current edition approved Sept. 1, 2006. Published September 2006. Originallyapproved in 1960. Last previous edition approved in 2002 as B 350/B 350M 02.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at servicea
14、stm.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.5.2.1 Inspection (Section 12), and5.2.2 Oxygen analysis req
15、uirements (Table 1).6. Materials and Manufacture6.1 Materials covered by this specification shall be pro-duced by multiple vacuum arc melting, or electron beammelting, or other melting processes conventionally used forreactive metals; all melting is to be carried out in furnacesusually used for reac
16、tive metals.7. Condition7.1 Unless otherwise specified, ingots shall be conditionedby machining or grinding or both to remove surface andsubsurface defects detrimental to subsequent fabrication.7.2 After conditioning has been completed, no abruptchanges in diameter or local depression that will impa
17、irsubsequent fabrication shall be permitted. The differencebetween the maximum and minimum radii of the conditionedingot shall not exceed 20 % of the maximum radius. Lands,grooves, and local depressions shall be blended to a maximumangle of 30 to the axis of the ingot. Each end of the ingot shallbe
18、chamfered or radiused. The minimum chamfer or radiusshall be12 in. 12 mm.8. Chemical Requirements8.1 The ingot shall conform to the requirements for chemi-cal composition as prescribed in Table 1.8.2 The ingot shall be sampled in sufficient places along theside wall so that the top sample is within
19、5 in. 125 mm of thetop face and the distance between samples or between thebottom face and a sample does not exceed one ingot diameter.A minimum of three samples per ingot is required.8.3 These samples shall be analyzed for the alloying andimpurity elements given in Table 1.8.4 Analysis shall be mad
20、e using the manufacturers stan-dard methods. In the event of disagreement as to the chemicalcomposition of the metal, methods of chemical analysis forreference purposes shall be determined by a mutually accept-able laboratory.8.5 Product Check AnalysisProduct check analysis is ananalysis made by or
21、for the purchaser for the purpose ofverifying the composition of the ingot. The check analysistolerances reflect the variation between laboratories in themeasurement of chemical composition. The permissible varia-tion in the product check analysis from the specified range is asprescribed in Table 2.
22、9. Retest9.1 If any sample or specimen exhibits obvious contamina-tion, improper preparation, or flaws disqualifying it as arepresentative sample, it shall be discarded and a new sampleor specimen substituted.9.2 If the results of any test are not in conformance with therequirements of this specific
23、ation, the ingot may be retested atTABLE 1 Chemical RequirementsElementComposition, Weight %UNS R60001 UNS R60802 UNS R60804 UNS R60901 UNS R60904Tin . 1.201.70 1.201.70 . .Iron . 0.070.20 0.180.24 . .Chromium . 0.050.15 0.070.13 . .Nickel . 0.030.08 . . .Niobium (columbium) . . . 2.402.80 2.502.80O
24、xygenAA A0.090.15AIron + chromium + nickel . 0.180.38 . . .Iron + chromium . . 0.280.37 . .Maximum Impurities, Weight %Aluminum 0.0075 0.0075 0.0075 0.0075 0.0075Boron 0.00005 0.00005 0.00005 0.00005 0.00005Cadmium 0.00005 0.00005 0.00005 0.00005 0.00005Calcium . 0.0030 0.0030 . .Carbon 0.027 0.027
25、0.027 0.027 0.027Chromium 0.020 . . 0.020 0.020Cobalt 0.0020 0.0020 0.0020 0.0020 0.0020Copper 0.0050 0.0050 0.0050 0.0050 0.0050Hafnium 0.010 0.010 0.010 0.010 0.010Hydrogen 0.0025 0.0025 0.0025 0.0025 0.0010Iron 0.150 . . 0.150 0.150Magnesium 0.0020 0.0020 0.0020 0.0020 0.0020Manganese 0.0050 0.00
26、50 0.0050 0.0050 0.0050Molybdenum 0.0050 0.0050 0.0050 0.0050 0.0050Nickel 0.0070 . 0.0070 0.0070 0.0070Niobium . 0.0100 0.0100 . .Nitrogen 0.0080 0.0080 0.0080 0.0080 0.0080Phosphorus . . . 0.0020 0.0020Silicon 0.0120 0.0120 0.0120 0.0120 0.012Tin 0.0050 . . 0.010 0.010Tungsten 0.010 0.010 0.010 0.
27、010 0.010Titanium 0.0050 0.0050 0.0050 0.0050 0.0050Uranium (total) 0.00035 0.00035 0.00035 0.00035 0.00035AWhen so specified in the purchase order, oxygen shall be determined and reported. Maximum, minimum, or both, permissible values should be specified in thepurchase order.B 350/B 350M 02 (2006)2
28、the option of the manufacturer. The manufacturer may scalp orcrop the ingot to remove nonconforming material then resa-mple remaining ingot position(s). The ingot shall be acceptableif all results of retests following the initial test(s) conform tothis specification.10. Significance of Numerical Lim
29、its10.1 For purposes of determining compliance with thespecified limits for requirements of the properties listed inTable 1 and Table 2, an observed value or a calculated valueshall be rounded as indicated in accordance with the roundingmethod of Practice E29.11. Ultrasonic Test11.1 Ingots shall be
30、inspected ultrasonically by the methodsdescribed in 11.1.1 and 11.1.2 unless otherwise agreed uponbetween the manufacturer and the purchaser.11.1.1 StandardizationThe test shall be conducted inaccordance with Practice E114. The search unit shall be alongitudinal beam transducer, operated at a maximu
31、m fre-quency of 214 MHz using a suitable couplant with the piecebeing tested. The search unit shall be standardized on a testblock, setting the back reflection equal to 100 %. The test blockshall be of the same approximate diameter and surface condi-tion as the ingot. Standardization is required bef
32、ore theinspection begins on the ingot.11.1.2 Unless otherwise approved by the purchaser, thereference standard shall consist of an ingot section containingtwo 0.093-in. 2.4-mm diameter holes, one of which shall beradially located at the approximate ingot center, the other at theapproximate mid-radiu
33、s position. These drilled holes shallterminate at a plane (normal to the longitudinal ingot axis)located 0.5 in. 12 mm below the ingot end face. Duringcalibration, the two reference holes should line up with thebeam, with the mid-radius hole farthest from the search unit.Then the complete length of
34、the ingot shall be inspected. Twotraverses shall be made along the length of the cylindrical ingotsurface 90 degrees apart. Additional traverses shall be made ifthe entire ingot is not adequately inspected by this procedure.Remove defect indications observed that exceed that of thereference standard
35、. If the back reflection is between 50 and95 %, increase the gain to bring back reflection up to 100 %and inspect the trace indication to observe any internal reflec-tions greater than the indication from the reference standard.Again, remove any such defects. Following such amplitudeadjustment and i
36、nspection, recalibrate the search unit on thetest block. Note the position of all lesser defects and reportthem to the purchaser along with the ingot number.12. Inspection12.1 The manufacturer shall inspect the material covered bythis specification prior to shipment. If so specified on thepurchase o
37、rder, the purchaser or his representative may witnessthe testing and inspection of the material at the place ofmanufacture. In such cases, the purchaser shall state in hispurchase order which tests he desires to witness. The manu-facturer shall give ample notice to the purchaser as to the timeand pl
38、ace of the designated tests. If the purchasers represen-tative is not present at the time agreed upon for the testing, themanufacturer shall consider the requirement for purchasersinspection at place of manufacture to be waived.12.2 The manufacturer shall afford the inspector represent-ing the purch
39、aser, without charge, all reasonable facilities tosatisfy him that the material is being furnished in accordancewith this specification. This inspection shall be conducted so asnot to interfere unnecessarily with the operation of the works.13. Rejection13.1 Rejection for failure of the material to m
40、eet thisspecification shall be reported to the manufacturer within 60calendar days from the receipt of the material by the purchaser.Unless otherwise specified, rejected material may be returnedto the manufacturer at the manufacturers expense, unless thepurchaser receives, within three weeks of the
41、notice of rejec-tion, other instructions for disposition.14. Referee14.1 In the event of disagreement between the 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 sha
42、ll performthe tests in question. The results of the referees testing shall beused in determining conformance of the material to thisspecification.15. Certification15.1 The manufacturer shall, on request, furnish to thepurchaser a certificate of test showing the results of testing andinspection perfo
43、rmed on each ingot ordered.16. Packaging and Marking16.1 Each ingot shall be metal die stamped on the top withthe manufacturers ingot number. Each box or skid shall belegibly and conspicuously marked or tagged with the followinginformation:16.1.1 Order or contract number,16.1.2 Name of material,16.1
44、.3 Grade,16.1.4 Ingot number,16.1.5 Nominal diameter,16.1.6 Gross, net, and tare weights, and16.1.7 ASTM specification number.TABLE 2 Permissible Variations in Product AnalysisAlloyingElementsPermissible Variation fromthe Specified Range(Table 1), %Tin 0.050Iron 0.020Chromium 0.010Nickel 0.010Iron +
45、 chromium 0.020Iron + chromium + nickel 0.020NiobiumOxygen0.0500.020Each impurity element20 ppm or 20 % of the specifiedlimit, whichever is smallerB 350/B 350M 02 (2006)316.2 Ingots shall be boxed or banded on skids in such amanner as to assure safe delivery to their destination whenproperly transpo
46、rted by any common carrier.17. Keywords17.1 ingot; nuclear reactor; reactor grade; zirconium; zirco-nium alloyASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised
47、 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 and must be reviewed every five years andif not revised, either rea
48、pproved 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 meeting of theresponsible technical committee, which you may attend. If yo
49、u 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 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).B 350/B 350M 02 (
