1、Designation: B 472 04aStandard Specification forNickel Alloy Billets and Bars for Reforging1This standard is issued under the fixed designation B 472; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A num
2、ber in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) 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 N0
3、6035, UNS N06022, UNS N06200, 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 UNS R305
4、56* billets and bars for reforg-ing.1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility o
5、f the user of this standard to become familiarwith all hazards including those identified in the appropriateMaterial Safety Data Sheet for this product/material as pro-vided by the manufacturer, to establish appropriate safety andhealth practices, and determine the applicability of regulatorylimitat
6、ions prior to use.2. Referenced Documents2.1 ASTM Standards:2A 262 Practices for Detecting Susceptibility to Intergranu-lar Attack in Austenitic Stainless SteelsB 880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel, Nickel Alloys andCobalt AlloysE 1473 Test Method
7、s 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 shall be understood as billets and bars forreforging.4. Ordering Information4.1 It is the
8、 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 Quantity (weight or number of pieces),4.1.2 Name of material or UNS number,4.1.3 Form (bar or
9、 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 requirements, if any, and4.1.9 If possible, the intended end use.NOTE 1A typical ordering descr
10、iption is as follows: 10 000 lb (4536kg), UNS N08020, forging bar, 414 in. (107.95 mm) round, SpecificationB 472.5. Materials and Manufacture5.1 The products shall be hot worked from ingots by rolling,forging, extruding, hammering, or pressing.5.2 The products may be conditioned by chipping, grindin
11、g,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. Chemical Composition6.1 The material shall conform to the requirements as tochemical com
12、position 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 inSpecification B 880.1This specification is under the jurisdiction of ASTM Committee B02 onNonferro
13、us Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved Oct. 1, 2004. Published October 2004. Originallyapproved in 1968. Last previous edition approved in 2004 as B 472 - 04.* New designation established in a
14、ccordance with ASTM E 527 and SAE J1086,Practice for Numbering Metals and Alloys (UNS).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 Summar
15、y 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 19428-2959, United States.TABLE 1 Chemical RequirementsElementComposition, %UNS N08026 UNS N08020 UNS N08024 UNS N08367
16、 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 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 24.002
17、6.00 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 max 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
18、.350.60IronAremainder remainder remainder remainder balance balanceElementComposition, %UNSN06030UNSN06022UNSN06200UNSN10276UNSN10665UNSN10675UNSN06002UNSN06230Carbon, max 0.03 0.015 0.010 0.010 0.02 0.01 0.05-0.15 0.05-0.15Manganese, max 1.5 0.50 0.50 1.0 1.0 3.0 1.00 0.30-1.00Phosphorous, max 0.04
19、 0.02 0.025 0.04 0.04 0.030 0.04 0.030Sulfur, max 0.02 0.02 0.010 0.03 0.03 0.010 0.03 0.015Silicon, max 0.8 0.08 0.08 0.08 0.10 0.10 1.00 0.25-0.75Nickel remainder remainder remainder remainder remainder 65.0 min remainderAremainderAChromium 28.0-31.5 20.0-22.5 22.0-24.0 14.5-16.5 1.0 max 1.0-3.0 2
20、0.5-23.0 20.0-24.0Molybdenum 4.0-6.0 12.5-14.5 15.0-17.0 15.0-17.0 26.0-30.0 27.0-32.0 8.0-10.0 1.0-3.00Copper 1.0-2.4 . 1.3-1.9 . . 0.20 . .Columbium(Nb) + tantalum0.30-1.50 . . . . . . .Iron 13.0-17.0 2.0-6.0 3.0 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-
21、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 . 0.20 . .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 .
22、 . 0.50 . 0.20-0.50Lanthanum . . . . . . . 0.005-0.050Boron . . . . . . . 0.015 maxElementComposition, %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
23、.80 max 1.5 max 1.0 max 0.50 maxPhosphorous 0.030 max 0.04 max 0.015 max . 0.030 max 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
24、minA72.0 minAremainderA35.0-39.0 44.5 minAremainderAChromium 26.0-30.0 21.0-23.0 20.0-23.0 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
25、 . . 0.4-0.9 . .Nitrogen . 0.10-0.30 . . . 0.15-0.30 . .Iron 3.5 max remainderA5.0 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 0.20-0.8
26、0 . 0.4 max . . 0.20 max 0.6 max .Zirconium . 0.001-0.10 . . . . . .Columbium 1.0 max 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 .B 472 04a2Table 1
27、(continued)ElementComposition, %UNS N06059 UNS N06686 UNS N08031 UNS N06045 UNS N06025 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
28、.10 0.08 0.3 2.5-3.0 0.5 0.05Nickel RemainderARemainderA30.0-32.0 45.0 min RemainderARemainderAChromium 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
29、-0.25 . .Iron 1.5 max 5.0 max RemainderA21.025.0 8.011.0 1.0-6.0Cobalt, max 0.3 . . . . 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
30、.1-0.4 . . . 1.8-2.4 0.10.5ASee 11.1.7. Dimensions and Permissible Variations7.1 Billets 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 var
31、iations pre-scribed in Table 2.8. Workmanship, Finish, and Appearance8.1 The material 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 betake
32、n during pouring or subsequent processing.10. Number of Tests10.1 Chemical AnalysisOne 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 Desi
33、gnationsChemical analysis E 1473AAIron or nickel shall be determined arithmetically by 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 thepurchas
34、e contract.13. Rejection and Rehearing13.1 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 producer orsupplier may mak
35、e claim for a rehearing.TABLE 2 Permissible Variations in Size of Hot-Rolled Round BarsSpecified 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), inc
36、l 0.008 (0.20) 0.008 (0.20) 0.012 (0.30)Over78 (22.22) to 1 (25.40), incl 0.009 (0.23) 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
37、0.012 (0.30) 0.012 (0.30) 0.018 (0.46)Over38 (34.92) to 112 (38.10), incl 0.014 (0.36) 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 (0.8
38、9)Over 312 (88.90) to 412 (114.30), incl116 (1.59) 0 0.046 (1.17)Over 412 (114.30) to 512 (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 ma
39、ximum and minimum diameters of the bar, measured at the same cross section.B 472 04a314. 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 accordan
40、ce with this specification, and that the testresults on representative samples meet specification 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; U
41、NS N06230; UNS N06600;UNS N06617; UNS N06625; UNS N08020; UNS N08024;UNS N08026; 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 fol
42、lowing supplementary requirements shall be applied only when specified by the 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 Pract
43、ices A 262. When this supple-mentary requirement is specified, the specific practice (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
44、 of 1700 to 1750F (927 to 954C) and quenchingin water or rapidly cooling by other 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 represent
45、ed by suchspecimen may be reheat-treated and resubmitted for test.SUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the last issue (B 472 04)that may impact the use of this standard. (Approved October 1, 2004.)(1) Added the following alloys in the
46、 Scope, Keywords, andTable 1: UNS N06059, N06686, N10629, N08031, N06045,N06025.Committee B02 has identified the location of selected changes to this standard since the last issue (B 472 03)that may impact the use of this standard. (Approved February 1, 2004.)(1) Added alloy N06035 to Scope. (2) Add
47、ed alloy N06035 composition to Table 1.ASTM 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 that determination of the validity of any such patent rights, and the
48、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 reapproved or withdrawn. Your comments are invited either for revision of
49、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 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,Unit
