1、Designation: B625 14B625 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 o
2、foriginal 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 Scope*1.1 This specification covers alloys UNS N08925, UNS N0
3、8031, UNS N08034, UNS N08932, UNS N08926, UNS N08354,UNS N08830, and UNS R20033 plate, sheet, and strip in the annealed temper.1.2 ASTM International has adopted definitions whereby some grades, such as UNS N08904, previously in this specificationwere recognized as stainless steels, because those gr
4、ades have iron as the largest element by mass percent. Such grades are underthe oversight of ASTM Committee A01 and its subcommittees. The products of N08904 previously covered in this specificationare now covered by Specifications A240/A240M and A480/A480M.1.3 The values stated in inch-pound units
5、are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsi
6、bilityof the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety DataSheet (MSDS)(SDS) for this product/material as provided by the manufacturer, to establish appropriate safety safety, health andhealthenvironmental practices, and d
7、etermine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendati
8、ons issuedby the World Trade Organization Technical Barriers 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 Pressure Vessels andfor General ApplicationsA480/A480M Specification
9、for General Requirements for Flat-Rolled Stainless 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 the Unified Numbering System (UNS)3. Termino
10、logy3.1 Definitions of Terms Specific to This Standard:3.1.1 plate, nmaterial 316 in. (4.76 mm) and over in thickness and over 10 in. (254 mm) in width.3.1.2 sheet, nmaterial under 316 in. (4.76 mm) in thickness and 24 in. (609.6 mm) and over in width. Material under 316 in.(4.75 mm) in thickness an
11、d in all widths with No. 4 finish.3.1.3 strip, nmaterial under 316 in. (4.76 mm) in thickness and under 24 in. (609.6 mm) in width.1 This specification is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals andAlloys and is the direct responsibility of Subcommittee B02.07 on RefinedNick
12、el and Cobalt and Their Alloys.Current edition approved Nov. 15, 2014July 1, 2017. Published November 2014August 2017. Originally approved in 1977. Last previous edition approved in 20102014as B625 05 (2010).B625 14. DOI: 10.1520/B0625-14.10.1520/B0625-17.2 For referencedASTM standards, visit theAST
13、M website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an ind
14、ication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be
15、considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14. General Requirements4.1 Material furnished in accordance with this specification shal
16、l conform to the applicable requirements of the current editionof Specification B906 unless otherwise provided herein.5. Ordering Information5.1 Orders for material under this specification shall include the following information:5.1.1 Quantity (weight or number of pieces),5.1.2 Alloy name or UNS nu
17、mber,5.1.3 Form, plate, sheet or strip,5.1.4 Dimensions,5.1.5 Type edge required, for strip only (see Specification B906),5.1.6 Finish (see Specification B906)For sheet with No. 4 finish, specify whether one or both sides are to be polished,5.1.7 ASTM designation,5.1.8 Additions to the specification
18、 or special requirements,5.1.9 Certification or test reportsState if certification or test reports are required, and5.1.10 Source inspectionState if inspection is required.6. Chemical Composition6.1 The material shall conform to the composition limits specified in Table 1. One test per lot is requir
19、ed as defined inSpecification B906.6.2 If a product analysis is made by the purchaser, the material shall conform to the product (check) analysis variations inSpecification B906.7. Mechanical Properties and Other Requirements7.1 Tensile and Hardness RequirementsThe material shall conform to the mech
20、anical property requirements specified in Table2. One test per lot is required as defined in Specification B906.8. Dimensions and Permissible Variations8.1 SheetThe material shall be furnished in accordance with the dimensional requirements established in Specification B906.9. Keywords9.1 UNS N08031
21、; UNS N08925;N08034; UNS N08925; UNS N08926; UNS N08932; UNS N08354; UNS N08830; UNSR20033; plate; sheet; stripTABLE 1 Chemical RequirementsAElements Elements UNSN08925UNSN08932UNSN08354UNSN08031N08034UNSN08031UNSN08926UNSN08830UNSR20033Carbon 0.020 0.020 0.030 0.01 0.015 0.020 0.015 0.015Manganese
22、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 30.033.0Chromium 19.0021.00 2
23、4.026.0 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 0.100.20 0.150.25 0.170.24 0.10-0
24、.25 0.150.25 0.150.25 0.20-0.55 0.350.60Iron balance balance balance balance balance balance balance balanceAluminum . . . 0.3 . . . .A Maximum %, unless range or minimum is indicated.B625 172SUMMARY OF CHANGESCommittee B02 has identified the location of selected changes to this standard since the l
25、ast 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 property data to Table 2 for UNS N08034.(5) Added
26、 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 validity of any such patent rights, and the ri
27、skof 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 thi
28、s 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
29、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
30、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:
31、(978) 646-2600; http:/ 2 Mechanical Property RequirementsAlloy Form Tensile Strength, min,ksi (MPa) Yield Strength (0.2 % offset), min, psi(MPa) Elongation in 2 in. or 50.8mm, or 4D, min, %UNS N08925 sheet 87 (600) 43 000 (295) 40UNS N08925 sheet 87 (600) 43 000 (295) 40strip 87 (600) 43 000 (295) 4
32、0strip 87 (600) 43 000 (295) 40plate 87 (600) 43 000 (295) 40plate 87 (600) 43 000 (295) 40UNS N08932 plate 87 (600) 44 000 (305) 40UNS N08932 plate 87 (600) 44 000 (305) 40UNS N08031 sheet 94 (650) 40 000 (276) 40UNS N08031 sheet 94 (650) 40 000 (276) 40strip 94 (650) 40 000 (276) 40strip 94 (650)
33、40 000 (276) 40plate 94 (650) 40 000 (276) 40plate 94 (650) 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) 35UNS N08926 sheet 94 (650) 43 000 (295) 35strip 94 (650) 43 000 (295) 35strip 94 (65
34、0) 43 000 (295) 35plate 94 (650) 43 000 (295) 35plate 94 (650) 43 000 (295) 35UNS N08354 sheet 93 (640) 43 000 (295) 40UNS N08354 sheet 93 (640) 43 000 (295) 40strip 93 (640) 43 000 (295) 40strip 93 (640) 43 000 (295) 40plate 93 (640) 43 000 (295) 40plate 93 (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 173
