1、Designation: B625 17Standard Specification forUNS N08925, UNS N08031, UNS N08034, UNS N08932, UNSN08926, UNS N08354, UNS N08830, and UNS R20033 Plate,Sheet, and Strip1This standard is issued under the fixed designation B625; the number immediately following the designation indicates the year oforigi
2、nal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers alloys UNS N08925, UNSN08031, UNS N08
3、034, UNS N08932, UNS N08926, UNSN08354, UNS N08830, and UNS R20033 plate, sheet, andstrip in the annealed temper.1.2 ASTM International has adopted definitions wherebysome grades, such as UNS N08904, previously in this speci-fication were recognized as stainless steels, because thosegrades have iron
4、 as the largest element by mass percent. Suchgrades are under the oversight of ASTM Committee A01 andits subcommittees. The products of N08904 previously coveredin this specification are now covered by Specifications A240/A240M and A480/A480M.1.3 The values stated in inch-pound units are to be regar
5、dedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user
6、of this standard to become familiarwith all hazards including those identified in the appropriateSafety Data Sheet (SDS) for this product/material as providedby the manufacturer, to establish appropriate safety, health andenvironmental practices, and determine the applicability ofregulatory limitati
7、ons prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization Tec
8、hnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for PressureVessels and for General ApplicationsA480/A480M Specification for General Requirements forFlat-Rolled Stainl
9、ess and Heat-Resisting Steel Plate,Sheet, and StripB906 Specification for General Requirements for Flat-Rolled Nickel and Nickel Alloys Plate, Sheet, and StripE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)3. Terminology3.1 Definitions of Terms Specific to This Sta
10、ndard:3.1.1 plate, nmaterial316 in. (4.76 mm) and over inthickness and over 10 in. (254 mm) in width.3.1.2 sheet, nmaterial under316 in. (4.76 mm) in thicknessand 24 in. (609.6 mm) and over in width. Material under316 in.(4.75 mm) in thickness and in all widths with No. 4 finish.3.1.3 strip, nmateri
11、al under316 in. (4.76 mm) in thicknessand under 24 in. (609.6 mm) in width.4. General Requirements4.1 Material furnished in accordance with this specificationshall conform to the applicable requirements of the currentedition of Specification B906 unless otherwise providedherein.5. Ordering Informati
12、on5.1 Orders for material under this specification shall includethe following information:5.1.1 Quantity (weight or number of pieces),5.1.2 Alloy name or UNS number,5.1.3 Form, plate, sheet or strip,1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys an
13、d is the direct responsibility of SubcommitteeB02.07 on Refined Nickel and Cobalt and Their Alloys.Current edition approved July 1, 2017. Published August 2017. Originallyapproved in 1977. Last previous edition approved in 2014 as B625 14. DOI:10.1520/B0625-17.2For referenced ASTM standards, visit t
14、he 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 the end of this standardCopyright ASTM International, 100 B
15、arr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Reco
16、mmendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.15.1.4 Dimensions,5.1.5 Type edge required, for strip only (see SpecificationB906),5.1.6 Finish (see Specification B906)For sheet with No. 4finish, specify whether one or both sides are to be polished,5.1.
17、7 ASTM designation,5.1.8 Additions to the specification or special requirements,5.1.9 Certification or test reportsState if certification ortest reports are required, and5.1.10 Source inspectionState if inspection is required.6. Chemical Composition6.1 The material shall conform to the composition l
18、imitsspecified in Table 1. One test per lot is required as defined inSpecification B906.6.2 If a product analysis is made by the purchaser, thematerial shall conform to the product (check) analysis varia-tions in Specification B906.7. Mechanical Properties and Other Requirements7.1 Tensile and Hardn
19、ess RequirementsThe material shallconform to the mechanical property requirements specified inTable 2. One test per lot is required as defined in SpecificationB906.8. Dimensions and Permissible Variations8.1 SheetThe material shall be furnished in accordancewith the dimensional requirements establis
20、hed in SpecificationB906.9. Keywords9.1 UNS N08031; UNS N08034; UNS N08925; UNSN08926; UNS N08932; UNS N08354; UNS N08830; UNSR20033; plate; sheet; stripTABLE 1 Chemical RequirementsAElementsUNSN08925UNSN08932UNSN08354UNSN08034UNSN08031UNSN08926UNSN08830UNSR20033Carbon 0.020 0.020 0.030 0.01 0.015 0
21、.020 0.015 0.015Manganese 1.00 2.00 1.00 1.0-4.0 2.0 2.00 3.0-6.0 2.0Phosphorus 0.045 0.025 0.030 0.020 0.020 0.03 0.035 0.02Sulfur 0.030 0.010 0.010 0.010 0.010 0.01 0.010 0.01Silicon 0.50 0.40 1.00 0.1 0.3 0.5 1.00 0.50Nickel 24.0026.00 24.026.0 34.036.0 33.5-35.0 30.032.0 24.0026.00 29.0-34.0 30.
22、033.0Chromium 19.0021.00 24.026.0 22.024.0 26.0-27.0 26.028.0 19.0021.00 20.0-24.0 31.035.0Molybdenum 6.07.0 4.56.5 7.08.0 6.0-7.0 6.07.0 6.07.0 4.5-6.5 0.502.0Copper 0.81.5 1.02.0 . 0.5-1.5 1.01.4 0.51.5 0.50-2.00 0.301.20Cobalt . . . . . . 0.50-3.5 .Tungsten . . . . . . 0.20-1.80 .Nitrogen 0.100.2
23、0 0.150.25 0.170.24 0.10-0.25 0.150.25 0.150.25 0.20-0.55 0.350.60Iron balance balance balance balance balance balance balance balanceAluminum . . . 0.3 . . . .AMaximum %, unless range or minimum is indicated.TABLE 2 Mechanical Property RequirementsAlloy FormTensile Strength, min,ksi (MPa)Yield Stre
24、ngth (0.2 % offset), min, psi(MPa)Elongation in 2 in. or 50.8mm, or 4D,min,%UNS N08925 sheet 87 (600) 43 000 (295) 40strip 87 (600) 43 000 (295) 40plate 87 (600) 43 000 (295) 40UNS N08932 plate 87 (600) 44 000 (305) 40UNS N08031 sheet 94 (650) 40 000 (276) 40strip 94 (650) 40 000 (276) 40plate 94 (6
25、50) 40 000 (276) 40UNS N08034 sheet 94 (650) 40 000 (280) 40strip 94 (650) 40 000 (280) 40plate 94 (650) 40 000 (280) 40UNS N08926 sheet 94 (650) 43 000 (295) 35strip 94 (650) 43 000 (295) 35plate 94 (650) 43 000 (295) 35UNS N08354 sheet 93 (640) 43 000 (295) 40strip 93 (640) 43 000 (295) 40plate 93
26、 (640) 43 000 (295) 40UNS N08830 sheet 110 (760) 55 000 (380) 40strip 110 (760) 55 000 (380) 40plate 110 (760) 55 000 (380) 40UNS R20033 sheet 109 (750) 55 000 (380) 40strip 109 (750) 55 000 (380) 40plate 109 (750) 55 000 (380) 40B625 172SUMMARY OF CHANGESCommittee B02 has identified the location of
27、 selected changes to this standard since the last issue (B62514)that may impact the use of this standard. (Approved July 1, 2017.)(1) Changed the title to include new alloy.(2) Added new alloy UNS N08034 to scope (Section 1).(3) Added chemistry data for UNS N08034 to Table 1.(4) Added Mechanical pro
28、perty data to Table 2 for UNSN08034.(5) Added UNS N08034 to Keywords in Section 9.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 v
29、alidity 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 reapproved or withdrawn. Your c
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32、e 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). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 173
