ASTM_A_999_-_A_999M_-_16.pdf

Designation:A999/A999M16Standard Specification forGeneral Requirements for Alloy and Stainless Steel Pipe1This standard is issued under the fixed designation A999/A999M;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 specification2covers a group of general require-ments that,unless otherwise specified in an individualspecification,shall apply to the ASTM product specificationsnoted below.1.2 In the case of conflict between a requirement of aproduct specification and a requirement of this specification,the product specification shall prevail.In the case of conflictbetween a requirement of the product specification or arequirement of this specification and a more stringent require-ment of the purchase order,the purchase order shall prevail.Title of SpecificationASTM Desig-nation3Seamless and Welded Austenitic Stainless Steel PipesA312/A312MSeamless and Welded Steel Pipe for Low-TemperatureServiceA333/A333MSeamless Ferritic Alloy-Steel Pipe for High TemperatureServiceA335/A335MElectric-Fusion-Welded Austenitic Chromium-Nickel AlloySteel Pipe for High-Temperature ServiceA358/A358MCarbon and Ferritic Alloy Steel Forged and Bored Pipe forHigh-Temperature ServiceA369/A369MSeamless Austenitic Steel Pipe for Use With HighTemperature Central-Station ServiceA376/A376MWelded Large Diameter Austenitic Steel Pipe for Corrosiveor High-Temperature ServiceA409/A409MCentrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature ServiceA426/A426MCentrifugally Cast Austenitic Steel Pipe for High-Temperature ServiceA451/A451MCentrifugally Cast Iron-Chromium-Nickel High-AlloyTubing for Pressure Application at HighTemperaturesA608/A608MWelded,Unannealed Austenitic Stainless Steel TubularProductsA778Seamless and Welded Ferritic/AusteniticStainless Steel PipeA790/A790MSingle-or Double-Welded Austenitic Stainless Steel PipeA813/A813MCold-Worked Welded Austenitic Stainless Steel PipeA814/A814MCentrifugally Cast Ferritic/Austenitic Stainless Steel Pipefor Corrosive EnvironmentsA872/A872MFerritic/Austenitic(Duplex)Stainless Steel Pipe ElectricFusion Welded with Addition of Filler MetalA928/A928MSpray-Formed Seamless Austenitic Stainless Steel PipeA943/A943MSpray-Formed Seamless Ferritic/Austenitic Stainless SteelPipeA949/A949MAustenitic Chromium-Nickel-Silicon Alloy Steel Seamlessand Welded PipeA9541.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.Within the text,theSI units are shown in brackets.The values stated in eachsystem may not be exact equivalents;therefore,each systemshall be used independently of the other.Combining valuesfrom the two systems may result in non-conformance with thestandard.The inch-pound units apply unless the“M”designa-tion(SI)of the product specification is specified in the order.NOTE1The dimensionless designator NPS(nominal pipe size)is usedin this standard for such traditional terms as“nominal diameter,”“size,”“nominal bore,”and“nominal size.”1.4 The following precautionary statement pertains only tothe test method portion,Section 22,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:4A312/A312M Specification for Seamless,Welded,andHeavily Cold Worked Austenitic Stainless Steel PipesA333/A333M Specification for Seamless and Welded SteelPipe for Low-Temperature Service and OtherApplicationswith Required Notch ToughnessA335/A335M Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature ServiceA358/A358M Specification for Electric-Fusion-WeldedAustenitic Chromium-Nickel Stainless Steel Pipe forHigh-Temperature Service and General Applications1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.10 on Stainless and Alloy Steel Tubular Products.Current edition approved Sept.1,2016.Published October 2016.Originallyapproved in 1998.Last previous edition approved in 2015 as A999/A999M 15.DOI:10.1520/A0999_A0999M-16.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA 999 in Section II of that Code.3These designations refer to the latest issue of the respective specifications.SeeAnnual Book of ASTM Standards,Vol 01.01.4For 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 Ch