ASTM_A_985_-_A_985M_-_16.pdf

Designation:A985/A985M16Standard 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 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 castings produced by theinvestment casting process for pressure-containing parts undereach of the following ASTM Specifications:Title of SpecificationASTM DesignationSteel Castings,Carbon,Suitable for Fusion Welding,A216/A216Mfor High-Temperature ServiceSteel Castings,Martensitic Stainless and Alloy,forA217/A217MPressure-Containing Parts,Suitable for High-Temperature ServiceCastings,Austenitic,Austenitic-Ferritic(Duplex),A351/A351Mfor Pressure-Containing PartsSteel Castings,Ferritic and Martensitic,for Pressure-A352/A352MContaining Parts,Suitable for Low-TemperatureServiceSteel Castings,Alloy,Specially Heat-Treated,forA389/A389MPressure-Containing Parts,Suitable for High-Temperature ServiceSteel Castings Suitable for Pressure ServiceA487/A487MCastings,Iron-Nickel-Chromium and Nickel Alloys,Spe-cially Controlled for Pressure Retaining Parts forCorrosive ServiceA990/A990MCastings,Austenitic-Ferritic(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 apply 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 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 non-conformancewith the standard.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with 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: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,Austenitic,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 Practice for Cleaning,Descaling,and Passivation ofStainless 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 Steel Castings,Welding,Qualifi-cations of Procedures and PersonnelA609/A609M Practice for Castings,Carbon,Low-Alloy,and Martensitic Stainless Steel,Ultrasonic ExaminationThereofA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel ProductsA800/A800M Practice for Steel Casting,Austenitic Alloy,Estimating Ferrite Content Thereof1This 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 Dec.1,2016.Published December 2016.Originallyapproved in 1998.Last previous edition approved in 2014 as A985/A985M 14.DOI:10.1520/A0985_A0985M-16.2For 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 A903/A903M Specification for Steel Castings,Surface Ac-ceptance Standards,Magnetic Particle and Liquid Pen-etrant InspectionA941 Terminology Relating to Steel,Stainless Steel,RelatedAlloys,and FerroalloysA967 Specification for Chemical Passivation Treatments forStainless Steel PartsA990/A990M Specification for Castings,Iron-Nickel-Chromium and Nickel Alloys,Specially Controlle