ASTM A965 A965M-2010 Standard Specification for Steel Forgings Austenitic for Pressure and High Temperature Parts《压力和高温零件用奥氏体钢锻件的标准规格》.pdf
《ASTM A965 A965M-2010 Standard Specification for Steel Forgings Austenitic for Pressure and High Temperature Parts《压力和高温零件用奥氏体钢锻件的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM A965 A965M-2010 Standard Specification for Steel Forgings Austenitic for Pressure and High Temperature Parts《压力和高温零件用奥氏体钢锻件的标准规格》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: A965/A965M 10Standard Specification forSteel Forgings, Austenitic, for Pressure and HighTemperature Parts1This standard is issued under the fixed designation A965/A965M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision,
2、the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers austenitic stainless steel forg-ings for boilers, pressure vessels, high temper
3、ature parts, andassociated equipment.1.2 Supplementary requirements are provided for use whenadditional testing, inspection, or processing is required. Inaddition, supplementary requirements from SpecificationA788/A788M may be specified when appropriate.1.3 This specification includes the austenitic
4、 steel forgingsthat were a part of Specification A336/A336M.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningva
5、lues from the two systems may result in non-conformancewith the standard.1.5 Unless the order specifies the applicable “M” specifica-tion designation, the material shall be furnished to the inch-pound units.1.6 This standard does not purport to address all of thesafety concerns, if any, associated w
6、ith its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A336/A336M Specification for Alloy Steel Forgings forPressure and
7、 High-Temperature PartsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA745/A745M Practice for Ultrasonic Examination of Aus-tenitic Steel ForgingsA788/A788M Specification for Steel Forgings, General Re-quirementsE112 Test Methods for Determining Average Grain Size2.2 Other
8、Standards:ASME Boiler and Pressure Vessel Code, including SectionVIII Pressure Vessels and Section IX Welding Qualifica-tions33. Ordering Information and General Requirements3.1 In addition to the ordering information required bySpecification A788/A788M, the intended use should be statedif 5.1 is to
9、 be applicable.3.2 Material supplied to this specification shall conform tothe requirements of Specification A788/A788M, which out-lines additional ordering information, manufacturing require-ments, testing and retesting methods and procedures, marking,certification, product analysis variations, and
10、 additional supple-mentary requirements.3.3 If the requirements of this specification are in conflictwith the requirements of Specification A788/A788M, therequirements of this specification shall prevail.3.4 If the forgings are intended for use under the ASMEBoiler and Pressure Vessel Code at temper
11、atures exceeding1000F 540C, then use Supplementary Requirement S7.Grain size requirements for service exceeding 1000F 540Cshould be specified unless the required grade has the suffix“H.”4. Melting and Forging4.1 In addition to the melting and forging requirements ofSpecification A788/A788M, which ma
12、y include Supplemen-tary Requirement S8, the following condition applies:4.1.1 A sufficient discard shall be made to secure freedomfrom injurious pipe and undue segregation.5. Machining5.1 Forged pressure vessels for steam power service shallhave the inner surface machined or ground. Unfired pressur
13、evessels shall have the inner surfaces sufficiently free of scale topermit inspection.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.06 on Steel Forgings and Billets.Current edition a
14、pproved Nov. 1, 2010. Published December 2010. Originallyapproved in 1996. Last previous edition approved in 2006 as A965/A965M 06a.DOI: 10.1520/A0965_A0965M-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book o
15、f ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990.1*A Summary of Changes section appears at the end of this stan
16、dard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2 When rough machining is performed, it may be doneeither before or after heat treatment.6. Heat Treatment6.1 Forgings shall be furnished in the solution treatedcondition. On comp
17、letion of forging operations, the forgingsshall be solution annealed and quenched in water, oil, or apolymer water solution. Direct quenching after completion offorging without subsequent reheating to the temperaturesprescribed in 6.2-6.5 is not permissible.6.2 For Grades F304H, F309H, F310H, F316H,
18、 F321H,F347H, and F 348H, the minimum solution annealing tempera-ture shall be 1925F 1050C.6.3 Grades FXM-11 and FXM-19 shall be solution annealedat 1950F 1065C.6.4 Grade F46 shall be solution annealed in the temperaturerange of 20102140F 11001170C.6.5 The remaining grades in Table 1 shall be soluti
19、onannealed at a minimum temperature of 1900F 1040C.7. Chemical Composition7.1 Heat AnalysisThe heat analysis obtained from sam-pling in accordance with Specification A788/A788M shallcomply with Table 1.7.2 Product AnalysisThe manufacturer shall use the prod-uct analysis provision of Specification A7
20、88/A788M to obtaina product analysis from a forging representing each heat ormultiple heat. The product analysis tolerances for carbon shallnot apply, and the carbon requirements shall conform to Table1.7.3 Types (common names) and UNS designations follow:Grade Type UNS DesignationF304 304 S30400F30
21、4H 304H S30409F304L 304L S30403F304N 304N S30451F304LN 304LN S30453F309H 309H S30909F310 310 S31000F310H 310H S31009F316 316 S31600F316H 316H S31609F316L 316L S31603F316N 316N S31651F316LN 316LN S31653F321 321 S32100F321H 321H S32109F347 347 S34700F347H 347H S34709F348 348 S34800F348H 348H S34809FXM
22、-19 XM19 S20910FXM-11 XM11 S21904F46 S306008. Mechanical Properties8.1 RequirementsThe material shall conform to the re-quirements for mechanical properties prescribed in Table 2 or,if applicable, Supplementary Requirement S2. The largestobtainable tension test specimen as specified in Test Methodsa
23、nd Definitions A370 shall be used.8.2 Number of TestsThe number and location of tests arebased on the heat-treated weight of the forging(s) from thesame heat, solution annealed in the same furnace charge.8.2.1 For forgings weighing less than 5000 lb 2250 kg asheat treated, one tension test shall be
24、required on the basis ofone test per heat in each heat treatment load. This test shall betaken from a prolongation of one of the forgings. Use of aseparately forged test bar for the mechanical test specimens,instead of an integral prolongation, is acceptable for forgingsweighing less than 5000 lb 22
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