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    ASTM A1002-2016 Standard Specification for Castings Nickel-Aluminum Ordered Alloy《镍铝有序合金铸件的标准规格》.pdf

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    ASTM A1002-2016 Standard Specification for Castings Nickel-Aluminum Ordered Alloy《镍铝有序合金铸件的标准规格》.pdf

    1、Designation: A1002 10 (Reapproved 2015)A1002 16Standard Specification forCastings, Nickel-Aluminum Ordered Alloy1This standard is issued under the fixed designation A1002; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of

    2、 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 nickel-aluminum ordered alloy castings intended for elevated-temperature applications such

    3、 asheat-resisting alloy furnace rollers, supports, hangers, and so forth, in environments up to 2300F (1260C).2300 F (1260 C).1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for inform

    4、ation only and are not considered standard.1.2.1 The SI gage length for tension test specimens is in brackets and is considered standard.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA781/A781M Specification for Castings, Steel a

    5、nd Alloy, Common Requirements, for General Industrial Use3. General Conditions for Delivery3.1 Material furnished to this specification shall conform to the requirements of Specification A781/A781M, including anysupplementary requirements that are indicated in the purchase order. Failure to comply w

    6、ith the general requirements ofSpecification A781/A781M constitutes nonconformance with this specification. In case of conflict between the requirements of thisspecification and Specification A781/A781M, this specification shall prevail.4. Ordering Information4.1 The purchaser should specify the all

    7、oy grade desired and whether tension or impact tests are required, and shall includestandards of acceptance where necessary.5. Materials and Manufacture5.1 ProcessThe alloy for the castings shall be by any method unless otherwise agreed upon between the manufacturer and thepurchaser. Casting may be

    8、poured in sand, shell, investment, or centrifugal molds.5.2 Heat TreatmentCastings may be shipped in the as-cast condition. If heat treatment is required, the treatment shall beestablished by mutual consent between the manufacturer and the purchaser and shall be so specified in the inquiry, purchase

    9、 order,or contract.6. Chemical Composition6.1 The castings shall conform to the requirements as to chemical composition prescribed in Table 1.7. Mechanical Properties7.1 Mechanical properties are not required unless specified in the purchase order.7.2 Tensile properties, if required, of the alloy us

    10、ed for the castings shall conform to the requirements prescribed in the purchaseorder.1 This specification is under the jurisdiction ofASTM Committee A01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee A01.18on Castings.Current edition approved Dec. 1, 20

    11、15Dec. 1, 2016. Published December 2015December 2016. Originally approved in 1999. Last previous edition approved in 20102015as A1002 10.A1002 10 (2015). DOI: 10.1520/A1002-10R15.10.1520/A1002-16.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at

    12、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 indication of what changes have been made to the previous versi

    13、on. 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 considered the official document.*A Summary of Changes secti

    14、on appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17.3 Impact properties, if required, of the alloy used for the castings shall conform to the requirements prescribed in the purchaseorder.8. Test Spe

    15、cimens8.1 Test specimens, if required, shall be prepared in accordance with Test Methods and Definitions A370. Test bars shall bepoured in special blocks from the same heat as the castings represented. Test bars, if required, shall be furnished in sufficientnumber to furnish specimens for the tests

    16、required in Section 9.8.2 The test coupons shall be cast from the same melt from which the castings they represent are poured, and shall representthe full melting practice. Chemical composition of the test coupons shall conform to the requirements prescribed in Table 1.8.3 Tension test specimens sha

    17、ll be machined to the form and dimensions of the standard 2-in. 50-mm gage length specimenshown in Fig. 4 of Test Methods and Definitions A370.8.4 Impact test specimens shall conform to the length and cross-section dimensions shown in Fig. 10 of Test Methods andDefinitions A370. The impact specimens

    18、 are to be broken unnotched.9. Number of Tests and Retests9.1 Tension TestOne tension test, if required by the purchase order, shall be made from each heat.9.2 Impact TestOne unnotched Charpy impact test, if required by the purchase order, shall be made from each heat.TABLE 1 Chemical RequirementsEl

    19、ement Composition, % by WeightCarbon, max 0.08Sulfur, maxA 0.020Aluminum 7.38.5Chromium 7.58.5Molybdenum 1.201.80Boron 0.0030.012Silicon, maxA 0.20Iron, max 1.00Nickel BalanceA For welding applications, see S18 for restrictions on sulfur and silicon.A1002 1629.2 Retests:9.2.1 Retests of a duplicate

    20、specimen will be allowed if the results of the mechanical tests for any lot does not conform to therequirements specified in the purchase order.9.2.2 If the elongation of any tension test specimen is less than specified, and any part of the fracture is more than 34 in. 19.0mm from the center of the

    21、gage length, as indicated by scribe scratches marked on the specimen before testing, a retest shall beallowed.10. Keywords10.1 casting; elevated temperature; heat-resistant alloy; heat-resisting; nickel aluminide; nickel aluminumSUPPLEMENTARY REQUIREMENTSSupplementary requirements only apply when sp

    22、ecified in the purchase order.Alist of standardizedsupplementary requirements for use at the option of the purchaser is included in SpecificationA781/A781M. Supplementary Requirements S1 and S11 of Specification A781/A781M are notappropriate for this specification and shall not be specified. In addi

    23、tion, the following SupplementaryRequirement S18, for welding applications, is not listed in Specification A781/A781M.S18. Welding ApplicationsS18.1 The sulfur shall be 0.003 % by weight or less and the silicon shall be 0.05 % by weight or less. Detailed informationconcerning welding is available fr

    24、om Materials Processing, Metals and Ceramics Div., Oak Ridge National Laboratory, P.O. Box2008, Oak Ridge, TN 37831-6083.SUMMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A1002 99A1002 10 (2015) (2009) ) that may impact the use of t

    25、his standard. (Approved Dec. 1, 2016April1, 2010.).)(1) Table 1, Deleted Zr requirement, Modified Al and Mo upper limits.Deleted 7.3, Impact Properties.(2) Corrected typographical error in 8.1.(3) Deleted 8.4, Impact Test Specimens.(4) Deleted 9.2, Impact Test, and renumbered remaining subsections.A

    26、STM 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 riskof infringement of such rights, are

    27、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 this standard or for additional standards

    28、and 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 your views known to the ASTM Committee

    29、 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 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:/ 163


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