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ASTM A1002-1999(2009) Standard Specification for Castings Nickel-Aluminum Ordered Alloy.pdf

1、Designation: A1002 99 (Reapproved 2009)Standard 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 last re

2、vision. 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 nickel-aluminum ordered alloycastings intended for heat-resisting and elevated-temperatureapplicati

3、ons such as heat-resistant alloy structural members,containers, supports, hangers, spacers, and so forth, in envi-ronments up to 2300F (1260C).1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are pro

4、vided for information onlyand are not considered standard.1.2.1 The SI gage length for tension test specimens is inbrackets and is considered standard.2. Referenced Documents2.1 ASTM Standards:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA781/A781M Specification for Cast

5、ings, Steel and Alloy,Common Requirements, for General Industrial Use3. General Conditions for Delivery3.1 Material furnished to this specification shall conform tothe requirements of Specification A781/A781M, including anysupplementary requirements that are indicated in the purchaseorder. Failure t

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

7、 the alloy grade desiredand whether tension or impact tests are required, and shallinclude standards of acceptance where necessary.5. Materials and Manufacture5.1 ProcessThe alloy for the castings shall be by anymethod unless otherwise agreed upon between the manufac-turer and the purchaser. Casting

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

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

10、used for thecastings shall conform to the requirements prescribed in thepurchase order.7.3 Impact properties, if required, of the alloy used for thecastings shall conform to the requirements prescribed in thepurchase order.8. Test Specimens8.1 Test specimens, if required, shall be prepared in accor-

11、dance with Test Methods and Definitions A370. Test bars shallbe poured in special blocks from the same heat as the castingsrepresented. Test bars, if required, shall be furnished insufficient number to furnish specimens for the tests required inSection 9.8.2 The test coupons shall be cast from the s

12、ame melt fromwhich the castings they represent are poured, and shall repre-sent the full melting practice. Chemical composition of the testcoupons shall conform to the requirements prescribed in Table1.8.3 Tension test specimens shall be machined to the formand dimensions of the standard 2-in. 50-mm

13、 gage lengthspecimen shown in Fig. 4 of Test Methods and DefinitionsA370.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved Oct. 1, 2009. Published

14、 January 2010. Originallyapproved in 1999. Last previous edition approved in 2003 as A1002 99 (2003).DOI: 10.1520/A1002-99R09.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information,

15、 refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.8.4 Impact test specimens shall conform to the length andcross-section dimensions shown in Fig. 10 of Test Methods andDe

16、finitions A370. The impact specimens are to be brokenunnotched.9. Number of Tests and Retests9.1 Tension TestOne tension test, if required by thepurchase order, shall be made from each heat.9.2 Impact TestOne unnotched Charpy impact test, ifrequired by the purchase order, shall be made from each hea

17、t.9.3 Retests:9.3.1 Retests of a duplicate specimen will be allowed if theresults of the mechanical tests for any lot does not conform tothe requirements specified in the purchase order.9.3.2 If the elongation of any tension test specimen is lessthan specified, and any part of the fracture is more t

18、han34 in.19.0 mm from the center of the gage length, as indicated byscribe scratches marked on the specimen before testing, a retestshall be allowed.10. Keywords10.1 casting; elevated temperature; heat-resistant alloy;heat-resisting; nickel aluminide; nickel aluminumSUPPLEMENTARY REQUIREMENTSSupplem

19、entary requirements only apply when specified in the purchase order. A list 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 specifica

20、tion and shall not be specified. In addition, 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 thesilicon shall be 0.05 % by weight or less. Detailed inform

21、ationconcerning welding is available from Materials Processing,Metals and Ceramics Div., Oak Ridge National Laboratory,P.O. Box 2008, Oak Ridge, TN 37831-6083.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this stand

22、ard. 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 committee and must be review

23、ed 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 at a meeting of theresponsible

24、 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 Drive, PO Box C700, West Cons

25、hohocken, 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

26、photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Chemical RequirementsElement Composition, % by WeightCarbon, max 0.08Sulfur, maxA0.020Aluminum 7.38.3Chromium 7.58.5Molybdenum 1.201.70Zirconium 1.62.10Boron 0.0030.012Silicon, maxA0.20Iron, max 1.00Nickel BalanceAFor welding applications, see S18 for restrictions on sulfur and silicon.A1002 99 (2009)2

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