1、Designation: B620 03 (Reapproved 2013)Standard Specification forNickel-Iron-Chromium-Molybdenum Alloy (UNS N08320)Plate, Sheet, and Strip1This standard is issued under the fixed designation B620; the number immediately following the designation indicates the year oforiginal adoption or, in the case
2、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. Scope1.1 This specification2covers rolled nickel-iron-chromium-molybdenum alloy (UNS N08320)* plate, s
3、heet, and strip, foruse in general corrosive service.1.2 The following products are covered under this specifi-cation:1.2.1 Sheet and StripHot or cold rolled, solution annealed,and descaled unless solution anneal is performed in an atmo-sphere yielding a bright finish.1.2.2 PlateHot rolled, solution
4、 annealed, and descaled.1.3 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.1.4 This standard does not purport to address all of thesafet
5、y 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 manufacturer, to establish appropriatesafety
6、 and health practices, and determine the applicability ofregulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:3B906 Specification for General Requirements for Flat-Rolled Nickel and Nickel Alloys Plate, Sheet, and StripE140 Hardness Conversion Tables for Metals RelationshipA
7、mong Brinell Hardness, Vickers Hardness, RockwellHardness, Superficial Hardness, Knoop Hardness, andScleroscope Hardness3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 plate, nmaterial316 in. (4.76 mm) and over inthickness.3.1.2 sheet and strip, nmaterial under316 in. (4.76 mm
8、) inthickness.4. General Requirements4.1 Material furnished under this specification shall con-form to the applicable requirements of Specification B906unless otherwise provided herein.5. Ordering Information5.1 It is the responsibility of the purchaser to specify allrequirements that are necessary
9、for the safe and satisfactoryperformance of material ordered under this specification.Examples of such requirements include, but are not limited to,the following:5.1.1 DimensionsThickness (in decimals of an inch),width, and length (inch or fraction of an inch).5.1.2 CertificationState if certificati
10、on or a report of testresults is required (Specification B906, Section 21).5.1.3 Optional Requirement:5.1.3.1 PlateState how plate is to be cut (SpecificationB906, Table A2.3).5.1.4 Purchase InspectionState which tests or inspectionsare to be witnessed (Specification B906, Section 18).5.1.5 Samples
11、for Product (Check) AnalysisState whethersamples should be furnished (Specification B906, Section7.2.2).6. Chemical Composition6.1 The material shall conform to the composition limitsspecified in Table 1.6.2 If a product (check) analysis is made by the purchaser,the material shall conform to the req
12、uirements specified inTable 1 and Specification B906.1This 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 approved Feb. 1, 2013. Publishe
13、d February 2013. Originallyapproved in 1977. Last previous edition approved in 2008 as B620 03 (2008).DOI: 10.1520/B0620-03R13.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-620 in Section II of that Code.* New designation established in accordance with ASTM E52
14、7 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 onthe
15、 ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17. Mechanical Properties and Other Requirements7.1 Tensile PropertiesThe material shall conform to theroom temperature tensile properties prescribed in Table 2.7.2 Hardness
16、The hardness values given in Table 2 areinformative only.8. Dimensions, Mass, and Permissible Variations8.1 WeightThe material covered by this specification shallbe assumed to weigh 0.291 lb/in.3(8.05 g/cm3).8.2 Thickness:8.2.1 Sheet and StripThe thickness shall be measuredwith the micrometer spindl
17、e38 in. (9.525 mm) or more fromany edge for material 1 in. (25.4 mm) or over in width and atany place on material under 1 in. in width.8.3 Length:8.3.1 Sheet and Strip: Sheet and strip may be ordered to cutlengths, in which case a variation of18 in. (3.175 mm) over thespecified length shall be permi
18、tted with a zero minus tolerance.8.4 Straightness:8.4.1 The edgewise curvature (depth of cord) of flat sheet,strip, and plate shall not exceed 0.05 in. multiplied by thelength in feet or 0.04 mm multiplied by the length in centime-tres.8.4.2 Straightness for coiled strip is subject to agreementbetwe
19、en the manufacturer and the purchaser.8.5 Squareness (Sheet)For sheets of all thicknesses andwidths of 6 in. (152.4 mm) or more, the angle between adjacentsides shall be 90 6 0.15 deg (116 in./24 in. or 2.6 mm/m).8.6 FlatnessPlate, sheet, and strip shall be commerciallyflat.8.7 Edges:8.7.1 Plate sha
20、ll have sheared or abrasive cut or plasma-torch-cut edges as specified.8.7.2 Sheet and strip shall have sheared or slit edges.9. Product Marking9.1 Each plate, sheet, or strip shall be marked on one facewith the specification number, alloy, heat number, manufactur-ers identification, and size. The m
21、arkings shall have nodeleterious effect on the material or its performance and shallbe sufficiently stable to withstand normal handling.9.2 Each bundle or shipping container shall be marked withthe name of the material; this specification number; alloy; thesize; gross, tare, and net weight; consigno
22、r and consigneeaddress; contract or order number; and such other informationas may be defined in the contract or order.10. Keywords10.1 plate; sheet; strip; N08320APPENDIX(Nonmandatory Information)X1. HEAT TREATMENTX1.1 Proper heat treatment during or subsequent to fabrica-tion is necessary for opti
23、mum performance, and the manufac-turer shall be consulted for details.TABLE 1 Chemical RequirementsElement Composition Limits, %Nickel 25.027.0Iron remainderAChromium 21.023.0Molybdenum 4.06.0Manganese, max 2.5Carbon, max 0.05Titanium, min 4 carbonSilicon, max 1.00Phosphorus, max 0.04Sulfur, max 0.0
24、3ASee Specification B906.TABLE 2 Mechanical Property RequirementsTensileStrength min,psi (MPa)Yield Strength(0.2 % Offset)min, psi (MPa)Elongation in 2in.(50.8 mm) or4DAmin, %RockwellHardness,Bmax75 000 (517) 28 000 (193) 35 95 HRBAD refers to the diameter of the tension specimen.BHardness values ar
25、e shown for information purposes only and are not to be usedas a basis for rejection or acceptance. For approximate hardness conversions, seeHardness Conversion Tables E140.B620 03 (2013)2ASTM International takes no position respecting the validity of any patent rights asserted in connection with an
26、y item mentionedin this standard. 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
27、 committee and must be reviewed 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 a
28、t 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
29、Drive, PO Box C700, West Conshohocken, 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).B620 03 (2013)3
