ASTM A985 A985M-2018a Standard Specification for Steel Investment Castings General Requirements for Pressure-Containing Parts.pdf
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1、Designation: A985/A985M 18aStandard Specification forSteel Investment Castings General Requirements, forPressure-Containing Parts1This standard is issued under the fixed designation A985/A985M; the number immediately following the designation indicates the yearof original adoption or, in the case of
2、 revision, 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 a group of common require-ments that are mandatory for steel casting
3、s produced by theinvestment casting process for pressure-containing parts undereach of the following ASTM Specifications:Title of Specification ASTM DesignationSteel Castings, Carbon, Suitable for Fusion Welding, A216/A216Mfor High-Temperature ServiceSteel Castings, Martensitic Stainless and Alloy,
4、for A217/A217MPressure-Containing Parts, Suitable for High-Temperature ServiceCastings, Austenitic, for Pressure-Containing A351/A351MPartsSteel Castings, Ferritic and Martensitic, for Pressure- A352/A352MContaining Parts, Suitable for Low-TemperatureServiceSteel Castings, Alloy, Specially Heat-Trea
5、ted, for A389/A389MPressure-Containing Parts, Suitable for High-Temperature ServiceSteel Castings Suitable for Pressure Service A487/A487MCastings, Iron-Nickel-Chromium and Nickel Alloys, Spe-cially Controlled for Pressure-Retaining Parts forCorrosive ServiceA990/A990MCastings, Austenitic-Ferritic (
6、Duplex) Stainless Steel, forPressure-Containing PartsA995/A995M1.2 This specification also covers a group of supplementaryrequirements, which may be applied to the above specificationsas indicated therein. These requirements are provided for usewhen additional testing or inspection is desired, and a
7、pply onlywhen specified individually by the purchaser in the order.1.3 When investment casting is ordered, the requirements ofthis specification shall take precedence over the individualmaterial specification requirements.1.4 The values stated in either SI units or inch-pound unitsare to be regarded
8、 separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in nonconformancewith the standard.1.5 This standard does not purport to address all of thesafety con
9、cerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accor-dance with
10、 internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:
11、2A216/A216M Specification for Steel Castings, Carbon, Suit-able for Fusion Welding, for High-Temperature ServiceA217/A217M Specification for Steel Castings, MartensiticStainless and Alloy, for Pressure-Containing Parts, Suit-able for High-Temperature ServiceA351/A351M Specification for Castings, Aus
12、tenitic, forPressure-Containing PartsA352/A352M Specification for Steel Castings, Ferritic andMartensitic, for Pressure-Containing Parts, Suitable forLow-Temperature ServiceA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA380/A380M Practice for Cleaning, Descaling, and Passi
13、-vation of Stainless Steel Parts, Equipment, and SystemsA389/A389M Specification for Steel Castings, Alloy, Spe-cially Heat Treated, for Pressure-Containing Parts, Suit-able for High-Temperature ServiceA487/A487M Specification for Steel Castings Suitable forPressure ServiceA488/A488M Practice for St
14、eel Castings, Welding, Qualifi-cations of Procedures and PersonnelA609/A609M Practice for Castings, Carbon, Low-Alloy,and Martensitic Stainless Steel, Ultrasonic ExaminationThereof1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is t
15、he direct responsibility of SubcommitteeA01.18 on Castings.Current edition approved Sept. 1, 2018. Published September 2018. Originallyapproved in 1998. Last previous edition approved in 2018 as A985/A985M 18.DOI: 10.1520/A0985_A0985M-18A.2For referenced ASTM standards, visit the ASTM website, www.a
16、stm.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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO B
17、ox C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by
18、the World Trade Organization Technical Barriers to Trade (TBT) Committee.1A751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA800/A800M Practice for Steel Casting, Austenitic Alloy,Estimating Ferrite Content ThereofA903/A903M Specification for Steel Castings, Surfa
19、ce Ac-ceptance Standards, Magnetic Particle and Liquid Pen-etrant InspectionA941 Terminology Relating to Steel, Stainless Steel, RelatedAlloys, and FerroalloysA967/A967M Specification for Chemical Passivation Treat-ments for Stainless Steel PartsA990/A990M Specification for Castings, Iron-Nickel-Chr
20、omium and Nickel Alloys, Specially Controlled forPressure-Retaining Parts for Corrosive ServiceA991/A991M Test Method for Conducting TemperatureUniformity Surveys of Furnaces Used to Heat Treat SteelProductsA995/A995M Specification for Castings, Austenitic-Ferritic(Duplex) Stainless Steel, for Press
21、ure-Containing PartsA1058 Test Methods for Mechanical Testing of SteelProductsMetricA1067/A1067M Specification for Test Coupons for SteelCastingsA1080 Practice for Hot Isostatic Pressing of Steel, StainlessSteel, and Related Alloy CastingsE29 Practice for Using Significant Digits in Test Data toDete
22、rmine Conformance with SpecificationsE94/E94M Guide for Radiographic Examination Using In-dustrial Radiographic FilmE125 Reference Photographs for Magnetic Particle Indica-tions on Ferrous CastingsE165/E165M Practice for Liquid Penetrant Examination forGeneral IndustryE186 Reference Radiographs for
23、Heavy-Walled (2 to 412 in.(50.8 to 114 mm) Steel CastingsE192 Reference Radiographs of Investment Steel Castingsfor Aerospace ApplicationsE208 Test Method for Conducting Drop-Weight Test toDetermine Nil-Ductility Transition Temperature of Fer-ritic SteelsE280 Reference Radiographs for Heavy-Walled (
24、412 to 12in. (114 to 305 mm) Steel CastingsE340 Practice for Macroetching Metals and AlloysE353 Test Methods for Chemical Analysis of Stainless,Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron AlloysE354 Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, an
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