1、Designation: B472 10 (Reapproved 2015)Standard 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
2、revision. A number 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 U.S. Department of Defense.1. Scope1.1 This specification covers UNS N06002,
3、 UNS N06030,UNS N06035, 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 N0
4、6045, UNS N06025, and UNS R305562billets 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
5、 not purport to address 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 manuf
6、acturer, to establish appropriatesafety and health practices, and determine the applicability ofregulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3A262 Practices for Detecting Susceptibility to IntergranularAttack in Austenitic Stainless SteelsB880 Specification for Gener
7、al Requirements for ChemicalCheck 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 i
8、nthis specification shall 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
9、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 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
10、Supplementary requirements, 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
11、 rolling,forging, extruding, 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 fromt
12、he bar or billet.6. Chemical Composition6.1 The material shall conform to the requirements as tochemical composition prescribed in Table 1.1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.07 on Refi
13、ned Nickel and Cobalt and Their Alloys.Current edition approved May 1, 2015. Published May 2015. Originallyapproved in 1968. Last previous edition approved in 2010 as B472 10. DOI:10.1520/B0472-10R15.2New designation established in accordance with ASTM E527 and SAE J1086,Practice for Numbering Metal
14、s and Alloys (UNS).3For 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 Summary page onthe ASTM website.*A Summary of Changes section appears at t
15、he end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Chemical RequirementsElementComposition, %UNSN08026UNSN08020UNSN08024UNSN08367UNSN08926UNSR20033Carbon, max 0.03 0.07 0.03 0.030 0.020 0.015Manganese, max
16、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 24.0026.00 30.033.0Chromium 22.0026.00 19.0021.00 22.5025.00 20.0022.00 19.0021.00 31.0
17、35.0Molybdenum 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 carbon1.00 0.150.35 . . .Nitrogen 0.100.16 . . 0.180.25 0.150.25 0.350.60IronAremainder remainder remainder remainder balance balanceElementCompositi
18、on, %UNSN06030UNSN06022UNSN06200UNSN10362UNSN10276UNSN10665UNSN10675UNSN06002UNSN06230Carbon, max 0.03 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.
19、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 0.25-0.75Nickel 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 20.0-24.0Molybden
20、um 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 . 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
21、 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
22、 . . 0.50 0.50 . . 0.50 . 0.20-0.50Lanthanum . . . . . . . . 0.005-0.050Boron . . . . . . . . 0.015 maxComposition, %ElementUNSN12160UNSR30556UNSN06625UNSN06600UNSN10242UNSN08120UNSN06617UNSN06035Carbon 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 0.50-2.0
23、0 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 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 remai
24、nderA19.0-22.5 58.0 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) +t
25、antalum. . 3.15-4.15 . . 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
26、.20Titanium 0.20-0.80 . 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
27、 .Composition, %ElementUNSN06059UNSN06686UNSN08031UNSN06045UNSN06025UNSN10629Carbon, max 0.010 0.010 0.015 0.05-0.12 0.15-0.25 0.01B472 10 (2015)26.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the requirementsspecified in Table 1 subject to the permissi
28、ble tolerances inSpecification B880.7. 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 vari
29、ations 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 betaken
30、 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 Desig
31、nationsChemical analysis E1473AAIron 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 thepurchase
32、contract.TABLE 1 ContinuedComposition, %Manganese, 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 RemainderARemainderAChromium 22.0-24
33、.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 . . . . 2.5Tungsten . 3.04.4 .
34、. . .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.TABLE 2 Permissible Variations in Size of Hot-Rolled Round BarsSpecified S
35、ize, 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) 0.009 (0.23
36、) 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) 0.014 (0.36
37、) 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 512 (139.70)
38、, 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 10 (2015)313. Reje
39、ction 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 make claim for a rehea
40、ring.14. 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 m
41、eet 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; UNS N06230; UNS N10362;UNS N06600; UNS N06617; UNS N06625; UNS N08020;UNS N08024;
42、 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 following supplementary requirements shall be applied only when specifi
43、ed 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 Practices A262. When this supple-mentary requirement is specified, the sp
44、ecific 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 of 1700 to 1750F (927 to 954C) and quenchingin water or rapidly cool
45、ing 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 represented by suchspecimen may be reheat-treated and resubmitted for test.AST
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