1、Designation: B472 10Standard Specification forNickel Alloy Billets and Bars for Reforging1This standard is issued under the fixed designation B472; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number
2、 in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers UNS N06002, UNS N06030,UNS N06035
3、, UNS N06022, UNS N06200, UNS N10362,UNS N06230, UNS N06600, UNS N06617, UNS N06625,UNS N08020, UNS N08026, UNS N08024, UNS N08120,UNS N08926, UNS N08367, UNS N10242, UNS N10276,UNS N10665, UNS N10675, UNS N12160, UNS R20033,UNS N06059, UNS N06686, UNS N10629, UNS N08031,UNS N06045, UNS N06025, and
4、UNS R30556* billets andbars for reforging.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 addre
5、ss all of thesafety concerns, 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 (MSDS) for this product/materialas provided by the manufacturer, to establish
6、 appropriatesafety and health practices, and determine the applicability ofregulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsB880 Specification for General Requirements for C
7、hemicalCheck Analysis Limits for Nickel, Nickel Alloys andCobalt AlloysE1473 Test Methods for Chemical Analysis of Nickel,Cobalt, and High-Temperature Alloys3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 billets and bars, nterms billets and bars as used inthis specification s
8、hall be understood as billets and bars forreforging.4. Ordering Information4.1 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 Quant
9、ity (weight or number of pieces),4.1.2 Name of material or UNS number,4.1.3 Form (bar or billet),4.1.4 Dimensions,4.1.5 ASTM designation and year of issue,4.1.6 Inspection (12.1),4.1.7 CertificationState if certification or a report of testresults is required (Section 14),4.1.8 Supplementary require
10、ments, if any, and4.1.9 If possible, the intended end use.NOTE 1A typical ordering description is as follows: 10 000 lb (4536kg), UNS N08020, forging bar, 414 in. (107.95 mm) round, SpecificationB472.5. Materials and Manufacture5.1 The products shall be hot worked from ingots by rolling,forging, ext
11、ruding, hammering, or pressing.5.2 The products may be conditioned by chipping, grinding,or machining to remove injurious surface defects provided thedepth of conditioning does not exceed that which will affect thesurface condition or dimensions of the article to be forged fromthe bar or billet.6. C
12、hemical Composition6.1 The material shall conform to the requirements as tochemical composition prescribed in Table 1.6.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the requirementsspecified in Table 1 subject to the permissible tolerances inSpecificati
13、on B880.1This 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, 2010. Published October 2010. Originallyapproved in 1968. L
14、ast previous edition approved in 2009 as B472 - 04a (2009).DOI: 10.1520/B0472-10.* New designation established in accordance with ASTM E527 and SAE J1086,Practice for Numbering Metals and Alloys (UNS).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Servi
15、ce at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428
16、-2959, United States.TABLE 1 Chemical RequirementsElementComposition, %UNS N08026 UNS N08020 UNS N08024 UNS N08367 UNS N08926 UNS R20033Carbon, max 0.03 0.07 0.03 0.030 0.020 0.015Manganese, max 1.00 2.00 1.00 2.00 2.00 2.0Phosphorus, max 0.03 0.045 0.035 0.040 0.03 0.02Sulfur, max 0.03 0.035 0.035
17、0.030 0.01 0.01Silicon, max 0.50 1.00 0.50 1.00 0.50 0.50Nickel 33.0037.20 32.0038.00 35.0040.00 23.5025.50 24.0026.00 30.033.0Chromium 22.0026.00 19.0021.00 22.5025.00 20.0022.00 19.0021.00 31.035.0Molybdenum 5.006.70 2.003.00 3.505.00 6.007.00 6.07.0 0.502.0Copper 2.004.00 3.004.00 0.501.50 0.75 m
18、ax 0.51.5 0.301.20Columbium (Nb) +tantalum. 8 3 carbon1.00 0.150.35 . . .Nitrogen 0.100.16 . . 0.180.25 0.150.25 0.350.60IronAremainder remainder remainder remainder balance balanceElementComposition, %UNSN06030UNSN06022UNSN06200UNSN10362UNSN10276UNSN10665UNSN10675UNSN06002UNSN06230Carbon, max 0.03
19、0.015 0.010 0.010 0.010 0.02 0.01 0.05-0.15 0.05-0.15Manganese, max 1.5 0.50 0.50 0.60 1.0 1.0 3.0 1.00 0.30-1.00Phosphorous, max 0.04 0.02 0.025 0.025 0.04 0.04 0.030 0.04 0.030Sulfur, max 0.02 0.02 0.010 0.010 0.03 0.03 0.010 0.03 0.015Silicon, max 0.8 0.08 0.08 0.08 0.08 0.10 0.10 1.00 0.25-0.75N
20、ickel remainder remainder remainder remainder remainder remainder 65.0 min remainderAremainderAChromium 28.0-31.5 20.0-22.5 22.0-24.0 13.8-15.6 14.5-16.5 1.0 max 1.0-3.0 20.5-23.0 20.0-24.0Molybdenum 4.0-6.0 12.5-14.5 15.0-17.0 21.5-23.0 15.0-17.0 26.0-30.0 27.0-32.0 8.0-10.0 1.0-3.00Copper 1.0-2.4
21、. 1.3-1.9 . . 0.20 . .Columbium(Nb) + tantalum0.30-1.50 . . . . . . . .Iron 13.0-17.0 2.0-6.0 3.0 max 1.25 max 4.0-7.0 2.0 max 1.0-3.0 17.0-20.0 3.0 maxCobalt, max 5.0 2.5 2.0 . 2.5 1.0 3.0 0.5-2.5 5.0Tungsten 1.5-4.0 2.5-3.5 . . 3.0-4.5 . 3.0 max 0.2-1.0 13.0-15.0Vanadium, max . 0.35 . . 0.35 . 0.2
22、0 . .Titanium, max . . . . . . 0.2 . .Zirconium, max . . . . . . 0.10 . .Columbium (Nb) . . . . . . 0.20 max . .Tantalum . . . . . . 0.20 maxNickel +Molybdenum. . . . . . 94.0-98.0 . .Aluminum, max . . 0.50 0.50 . . 0.50 . 0.20-0.50Lanthanum . . . . . . . . 0.005-0.050Boron . . . . . . . . 0.015 max
23、ElementComposition, %UNSN12160UNSR30556UNSN06625UNSN06600UNSN10242UNSN08120UNSN06617UNSN06035Carbon 0.15 max 0.05-0.15 0.10 max 0.15 max 0.03 0.02-0.10 0.05-0.15 0.050 maxManganese 1.5 max 0.50-2.00 0.50 max 1.0 max 0.80 max 1.5 max 1.0 max 0.50 maxPhosphorous 0.030 max 0.04 max 0.015 max . 0.030 ma
24、x 0.040 max . 0.030 maxSulfur 0.015 max 0.015 max 0.015 max 0.015 max 0.015 max 0.03 max 0.015 max 0.015 maxSilicon 2.4-3.0 0.20-0.80 0.50 max 0.50 max 0.80 max 1.0 max 1.0 max 0.60 maxNickel remainderA19.0-22.5 58.0 minA72.0 minAremainderA35.0-39.0 44.5 minAremainderAChromium 26.0-30.0 21.0-23.0 20
25、.0-23.0 14.0-17.0 7.0-9.0 23.0-27.0 20.0-24.0 32.25-34.25Molybdenum 1.0 max 2.5-4.0 8.0-10.0 . 24.0-26.0 2.50 max 8.0-10.0 7.60-9.00Copper . . . 0.5 max . 0.50 max 0.5 max 0.30 maxColumbium(Nb) + tantalum. . 3.15-4.15 . . 0.4-0.9 . .Nitrogen . 0.10-0.30 . . . 0.15-0.30 . .Iron 3.5 max remainderA5.0
26、max 6.0-10.0 2.0 max remainderA3.0 max 2.00 maxCobalt, max 27.0-33.0 16.0-21.0 . . 1.00 max 3.0 10.0 min-15.0 max 1.00Tungsten 1.0 max 2.0-3.5 . . . 2.50 max . 0.60 maxVanadium, max . . . . . . . 0.20Titanium 0.20-0.80 . 0.4 max . . 0.20 max 0.6 max .Zirconium . 0.001-0.10 . . . . . .Columbium 1.0 m
27、ax 0.30 max . . . . . .Tantalum . 0.30-1.25 . . . . . .Aluminum, max . 0.10-0.50 0.4 . 0.50 0.40 0.8-1.5 0.40 maxLanthanum . 0.005-0.10 . . . . . .Boron . 0.02 max . . 0.006 max 0.010 max 0.006 max .B472 102Table 1 (continued)ElementComposition, %UNS N06059 UNS N06686 UNS N08031 UNS N06045 UNS N0602
28、5 UNS N10629Carbon, max 0.010 0.010 0.015 0.05-0.12 0.15-0.25 0.01Manganese, max 0.5 0.75 2.0 1.0 0.15 1.5Phosphorous, max 0.015 0.04 0.020 0.02 0.02 0.040Sulfur, max 0.010 0.02 0.010 0.010 0.010 0.010Silicon, max 0.10 0.08 0.3 2.5-3.0 0.5 0.05Nickel RemainderARemainderA30.0-32.0 45.0 min RemainderA
29、RemainderAChromium 22.0-24.0 19.0-23.0 26.0-28.0 26.0-29.0 24.0-26.0 0.5-1.5Molybdenum 15.0-16.5 15.0-17.0 6.0-7.0 . . 26.0-30.0Copper 0.50 max . 1.0-1.4 0.3 max 0.1 max 0.5Yttrium . . . . 0.05-0.12 .Nitrogen . 0.15-0.25 . .Iron 1.5 max 5.0 max RemainderA21.025.0 8.011.0 1.0-6.0Cobalt, max 0.3 . . .
30、 . 2.5Tungsten . 3.04.4 . . . .Vanadium, max . . . . . .Titanium, max . 0.020.25 . . 0.1-0.2 .Zirconium, max . . . . 0.01-0.10 .Columbium (Nb) . . . . . .Tantalum . . . . . .Cerium . . . 0.03-0.09 . .Aluminum, max 0.1-0.4 . . . 1.8-2.4 0.10.5ASee 11.1.7. Dimensions and Permissible Variations7.1 Bill
31、ets shall conform to the shapes and dimensionsspecified by the purchaser within a permissible variation of65%.7.2 Bars shall conform to the shape and dimensions speci-fied by the purchaser within the permissible variations pre-scribed in Table 2.8. Workmanship, Finish and Appearance8.1 The material
32、shall be uniform in quality and free ofinjurious defects.9. Sampling9.1 LotA lot for chemical analysis shall consist of oneheat.9.2 Test Material Selection:9.2.1 Chemical AnalysisRepresentative samples shall betaken during pouring or subsequent processing.10. Number of Tests10.1 Chemical AnalysisOne
33、 test per heat.11. Test Methods11.1 The chemical composition of the material as enumer-ated in this specification shall, in case of disagreement, bedetermined in accordance with the following methods:Test ASTM DesignationsChemical analysis E1473AAIron or nickel shall be determined arithmetically by
34、difference.12. Inspection12.1 If specified, source inspection of the material by thepurchaser at the manufacturers plant shall be made as agreedupon between the purchaser and the manufacturer as part of thepurchase contract.13. Rejection and Rehearing13.1 Material that fails to conform to the requir
35、ements 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.TABLE 2 Permissible Variations in Size of Hot-Rolled Round Bars
36、Specified Size, in. (mm)Permissible Variations from Specified Size, in. (mm)Out-of-Round,Ain. (mm)Over UnderOver716 (11.11) to58 (15.88), incl 0.007 (0.18) 0.007 (0.18) 0.010 (0.25)Over58 (15.88) to78 (22.22), incl 0.008 (0.20) 0.008 (0.20) 0.012 (0.30)Over78 (22.22) to 1 (25.40), incl 0.009 (0.23)
37、0.009 (0.23) 0.013 (0.33)Over 1 (25.40) to 118 (28.58), incl 0.010 (0.25) 0.010 (0.25) 0.015 (0.38)Over 118 (28.58) to 114 (31.75), incl 0.011 (0.28) 0.011 (0.28) 0.016 (0.41)Over 114 (31.75) to 138 (34.92), incl 0.012 (0.30) 0.012 (0.30) 0.018 (0.46)Over38 (34.92) to 112 (38.10), incl 0.014 (0.36)
38、0.014 (0.36) 0.021 (0.53)Over 112 (38.10) to 2 (50.80), incl164 (0.40)164 (0.40) 0.023 (0.58)Over 2 (50.80) to 212 (63.50), incl132 (0.79) 0 0.023 (0.58)Over 212 (63.50) to 312 (88.90), incl364 (1.19) 0 0.035 (0.89)Over 312 (88.90) to 412 (114.30), incl116 (1.59) 0 0.046 (1.17)Over 412 (114.30) to 5
39、12 (139.70), incl564 (1.98) 0 0.058 (1.47)Over 512 (139.70) to 612 (165.10), incl18 (3.18) 0 0.070 (1.78)Over 612 (165.10) to 8 (203.20), incl532 (3.97) 0 0.085 (2.18)AOut-of-round is the difference between the maximum and minimum diameters of the bar, measured at the same cross section.B472 10314.
40、Certification14.1 When specified in the purchase order or contract, amanufacturers certification shall be furnished to the purchaserstating that material has been manufactured, tested, and in-spected in accordance with this specification, and that the testresults on representative samples meet speci
41、fication require-ments. When specified in the purchase order or contract, areport of the test results shall be furnished.15. Keywords15.1 bar; billet; UNS N06002; UNS N06030; UNS N06035;UNS N06022; UNS N06200; UNS N06230; UNS N10362;UNS N06600; UNS N06617; UNS N06625; UNS N08020;UNS N08024; UNS N080
42、26; UNS N01820; UNS N08367;UNS N08926; UNS N10242; UNS N10276; UNS N10665;UNS N10675; UNS N12160; UNS R20033; UNS R30556;UNS N06059; UNS N06686; UNS N10629; UNS N08031;UNS N06045; UNS N06025SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall be applied only when specified by the
43、 purchaserin the inquiry, contract, or order.S1. Corrosion Tests for UNS N08020S1.1 One intergranular corrosion test per heat shall beperformed by the manufacturer on a sensitized specimen andtested in accordance with Practices A262. When this supple-mentary requirement is specified, the specific pr
44、actice (PracticeB or Practice E) shall also be specified. If Practice B isspecified, the specimen must pass with a rate of less than 0.002in./month (ipm).S1.1.1 The specimen shall be stabilized by annealing at atemperature of 1700 to 1750F (927 to 954C) and quenchingin water or rapidly cooling by ot
45、her means. The specimen shallthen be sensitized for1hat1250F (677C) before beingsubjected to corrosion testing.S1.1.2 If any specimen selected to represent any heat fails tomeet the test requirement, the material represented by suchspecimen may be reheat-treated and resubmitted for test.SUMMARY OF C
46、HANGESCommittee B02 has identified the location of selected changes to this standard since the last issue(B472 - 04a (2009) that may impact the use of this standard. (Approved October 1, 2010.)(1) Added a new material N10362 to Table 1.ASTM International takes no position respecting the validity of
47、any patent rights asserted in connection 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 r
48、evision at any time by the responsible 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. Yo
49、ur comments will receive careful consideration 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 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
