1、Designation: B 463 04Standard Specification forUNS N08020, UNS N08026, and UNS N08024 Alloy Plate,Sheet, and Strip1This standard is issued under the fixed designation B 463; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、of last revision. A number 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. Scope1.1 This specification2covers UNS N08
3、020, UNSN08026,* and UNS N08024 alloy plate, sheet, and strip.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.
4、 It is theresponsibility of 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 applicab
5、ility of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:3A 262 Practices for Detecting Susceptibility to Intergranu-lar Attack in Austenitic Stainless SteelsB 906 Specification for General Requirements for Flat-Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip3. T
6、erminology3.1 Definitions of Terms Specific to This Standard:3.1.1 The terms plate, sheet, and strip as used in thisspecification are defined as follows:3.1.2 cold rolled plate, nmaterial316 to38 in. (4.76 to9.52 mm), inclusive in thickness and over 10 in. (254.0 mm) inwidth.3.1.3 hot rolled plate,
7、nmaterial316 in. (4.76 mm) andover in thickness and over 10 in. (254.0 mm) in width.3.1.4 plate, nmaterial316 in. (4.75 mm) and over inthickness and over 10 in. (254.0 mm) in width.3.1.5 sheet, nmaterial under316 in. (4.75 mm) in thick-ness and 24 in. (609.6 mm) and over in width. Material under316
8、in. (4.75 mm) in thickness and in all widths with No. 4finish.3.1.6 strip, nmaterial under316 in. (4.75 mm) in thicknessand under 24 in. (609.6 mm) in width.4. General Requirements4.1 Material furnished under this specification shall con-form to the requirements of Specification B 906 unless other-w
9、ise provided herein. In the case of conflict, the requirementsof this specification shall take precedence.5. Material and Manufacture5.1 Heat Treatment UNS N08020 Alloy shall be fur-nished in the stabilize-annealed condition. UNS N08026 Alloyshall be furnished in the solution-annealed condition. UNS
10、N08024 Alloy shall be furnished in the annealed condition.NOTE 1The recommended annealing temperatures are 1800 to1850F (982 to 1010C) for UNS N08020, 2050 to 2200F (1121 to1204C) for UNS N08026, and 1925 to 1975F (1052 to 1079C) for UNSN08024.6. Chemical Composition6.1 The material shall conform to
11、 the composition limitsspecified in Table 1.7. Mechanical Properties7.1 Mechanical PropertiesThe material shall conform tothe mechanical property requirements specified in Table 2.8. Dimensions and Permissible Variations8.1 The tolerances and permissible variations provided inAnnex A1 of Specificati
12、on B 906 shall apply.9. Keywords9.1 N08020; N08024; N08026; plate; sheet; strip1This 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 appro
13、ved February 1, 2004. Published February 2004. Originallyapproved in 1967. Last previous edition approved in 1999 as B 463 99.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SB 463 in Section II of that Code.* New designation established in accordance with ASTM E 5
14、27 and SAE J1086,Recommended Practice for Numbering Metals 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 onth
15、e ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall be applied only when specified by the purchaserin the inquiry, contract, or order.S1. Corrosion T
16、estsS1.1 One intergranular corrosion test per lot shall be per-formed by the manufacturer on a sensitized specimen andtested in accordance with Practices A 262. When this supple-mentary requirement is specified, the specific practice (PracticeB or Practice E) shall also be specified. If Practice B i
17、sspecified, the specimen must pass with a rate of less than 0.002inches per month. A lot for intergranular corrosion testing shallbe the same as for mechanical testing.S1.1.1 In addition to the anneal recommended in Note 1, thespecimen shall be sensitized for1hat1250F (677C) beforebeing subjected to
18、 corrosion testing.S1.1.2 If any corrosion test specimen fails the test, thematerial represented by such specimens may be reheat-treatedand resubmitted for test.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this sta
19、ndard. 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 and must be revi
20、ewed 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 meeting of theresponsib
21、le 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 Co
22、nshohocken, 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).TABLE 1 Chemical Req
23、uirementsElementComposition, %UNS N08026 UNS N08020 UNS N08024Carbon, max 0.03 0.07 0.03Manganese, max 1.00 2.00 1.00Phosphorus, max 0.03 0.045 0.035Sulfur, max 0.03 0.035 0.035Silicon, max 0.50 1.00 0.50Nickel 33.0037.20 32.0038.00 35.0040.00Chromium 22.0026.00 19.0021.00 22.5025.00Molybdenum 5.006
24、.70 2.003.00 3.505.00Copper 2.004.00 3.004.00 0.501.50Columbium (Nb) + tantalum . 8 3 carbon1.00 0.150.35Nitrogen 0.100.16 . .Iron remainderAremainderAremainderABy difference.TABLE 2 Mechanical Property RequirementsTensile Strength,minYield Strength,AminElongationBin 2 in.(50.8 mm),min,%ksi MPa ksi
25、MPa80 551 35 241 30.0Hardness Number, maxCBrinell Rockwell B217 95AYield strength shall be determined by the offset method at 0.2 % limitingpermanent set in accordance with Test Methods E 8. An alternative method ofdetermining yield strength may be based on a total extension under load of 0.5 %.BElongation for thickness, less than 0.015 in. (0.38 mm) shall be 20 % minimum,in 1 in. (25.4 mm).CEither Brinell or Rockwell B hardness is permissible.B463042
