ASTM B872-2006(2016) Standard Specification for Precipitation-Hardening Nickel Alloys Plate Sheet and Strip《沉淀硬化镍合金板材 薄板材和带材的标准规格》.pdf
《ASTM B872-2006(2016) Standard Specification for Precipitation-Hardening Nickel Alloys Plate Sheet and Strip《沉淀硬化镍合金板材 薄板材和带材的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM B872-2006(2016) Standard Specification for Precipitation-Hardening Nickel Alloys Plate Sheet and Strip《沉淀硬化镍合金板材 薄板材和带材的标准规格》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: B872 06 (Reapproved 2016)Standard Specification forPrecipitation-Hardening Nickel Alloys Plate, Sheet, andStrip1This standard is issued under the fixed designation B872; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision,
2、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 specification covers rolled precipitation hardenablenickel-iron-chromium-columbium (Nb)-titanium-alum
3、inum al-loy (N09908) plate, sheet, and strip in the annealed condition(temper). This alloy is used as sheathing for super conductorcables, as tooling for fabrication of such cables, and for otherapplications requiring a material with low coefficient-of-expansion properties.1.2 The values stated in i
4、nch-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 not purport to address all of thesafety concerns, if any, associated with its use. It is
5、 theresponsibility of the user 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 and healthpractices, and determine the applicability of re
6、gulatory limi-tations prior to use.2. Referenced Documents2.1 ASTM Standards:2E8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE228 Test Method for Linear Thermal Expansion of SolidMaterials Wit
7、h a Push-Rod DilatometerE1473 Test Methods for Chemical Analysis of Nickel, Co-balt and High-Temperature Alloys3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 The terms given in Table 1 shall apply.4. Ordering Information4.1 Orders for material under this specification shouldi
8、nclude the following information:4.1.1 AlloyName or UNS number (see Table 2).4.1.2 ASTM designation and year of issue.4.1.3 ConditionSee 6.1 and Appendix X1.4.1.4 FinishSee Appendix X1.4.1.5 DimensionsThickness, width, and length.4.1.6 Quantity.4.1.7 Optional Requirements:4.1.7.1 Sheet and StripWhet
9、her to be furnished in coil, incut straight lengths, or in random straight lengths.4.1.7.2 StripWhether to be furnished with commercial slitedge, square edge, or round edge.4.1.7.3 PlateWhether to be furnished specially flattened(see 7.7); also how plate is to be cut (see 7.2.1 and 7.3.2).4.1.8 Fabr
10、ication DetailsNot mandatory but helpful tothe manufacturer:4.1.8.1 Welding or BrazingProcess to be employed.4.1.8.2 PlateWhether material is to be hot-formed.4.1.9 CertificationState if certification or a report of testresults is required (see Section 15).4.1.10 Samples for Product (Check) Analysis
11、Whethersamples should be furnished (see 5.2).4.1.11 Purchaser InspectionIf the purchaser wishes towitness the tests or inspection of material at the place ofmanufacture, the purchase order must so state indicating whichtests or inspections are to be witnessed (see Section 13).5. Chemical Composition
12、5.1 The material shall conform to the requirements as tochemical composition prescribed in Table 2.5.2 If a product (check) analysis is performed by thepurchaser, the material shall conform to the product (check)analysis variations prescribed in Table 2.1This specification is under the jurisdiction
13、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 June 1, 2016. Published June 2016. Originallyapproved in 1996. Last previous edition approved in 2011 as B872 11. DOI:10.
14、1520/B0872-06R16.2For 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.Copyright ASTM International, 100 Barr Harbo
15、r Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States16. Mechanical and Other Requirements6.1 Tensile PropertiesThe material after precipitationhardening shall conform to the tensile properties prescribed inTable 3.6.2 Coeffcient of Thermal Expansion:6.2.1 The mean coefficient of the
16、rmal expansion from 77F(25C) to 1292F (700C) shall not exceed 7.8 106in./in./F (14.0 106cm/cm/C).6.2.2 The inflection temperature shall not exceed 572F(300C).7. Dimensions and Permissible Variations7.1 Thickness and Weight:7.1.1 PlateThe permissible variation under the specifiedthickness and permiss
17、ible excess in overweight shall notexceed the amounts prescribed in Table 4.7.1.1.1 For use with Table 4, plate shall be assumed toweigh 0.292 lb/in.3(8.08 g/cm3).7.1.2 Sheet and StripThe permissible variations in thick-ness of sheet and strip shall be as prescribed in Table 5. Thethickness of strip
18、 and sheet shall be measured with themicrometer spindle38 in. (9.5 mm) or more from either edgefor material 1 in. (25.4 mm) or over in width and at any placeon the strip under 1 in. in width.7.2 Width or Diameter:7.2.1 PlateThe permissible variations in width of rectan-gular plates and diameter of c
19、ircular plates shall be asprescribed in Table 6 and Table 7.7.2.2 Sheet and StripThe permissible variations in widthfor sheet and strip shall be as prescribed in Table 8.7.3 Length:7.3.1 Sheet and strip of all sizes may be ordered to cutlengths, in which case a variation of18 in. (3.2 mm) over thesp
20、ecified length shall be permitted.7.3.2 Permissible variations in length of rectangular plateshall be as prescribed in Table 9.7.4 Straightness:7.4.1 The edgewise curvature (depth of chord) of flat sheet,strip, and plate shall not exceed 0.05 in. multiplied by thelength of the product in feet (0.04
21、mm multiplied by the lengthof the product in centimetres).7.4.2 Straightness for coiled strip material is subject toagreement between the manufacturer and the purchaser.7.5 Edges:7.5.1 When finished edges of strip are specified in thecontract or purchase order, the following descriptions shallapply:
22、7.5.1.1 Square-edge strip shall be supplied with finishededges, with sharp, square corners, and without bevel orrounding.7.5.1.2 Round-edge strip shall be supplied with finishededges, semicircular in form, and the diameter of the circleforming the edge being equal to the strip thickness.7.5.1.3 When
23、 no description of any required form of stripedge is given, it shall be understood that edges such as thoseresulting from slitting or shearing will be acceptable.7.5.1.4 Sheet shall have sheared or slit edges.7.5.1.5 Plate shall have sheared or cut (machined, abrasive-cut, powder-cut, or inert-arc-c
24、ut) edges, as specified.7.6 Squareness (Sheet)For sheets of all thicknesses, theangle between adjacent sides shall be 90 6 0.15 (116 in. in 24in.) (1.6 mm in 610 mm).7.7 FlatnessStandard flatness tolerances for plate shallconform to the requirements prescribed in Table 10. “Speciallyflattened” plate
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