ASTM_A_1082_-_A_1082M_-_16.pdf

Designation:A1082/A1082M16Standard Specification forHigh Strength Precipitation Hardening and Duplex StainlessSteel Bolting for Special Purpose Applications1This standard is issued under the fixed designation A1082/A1082M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers high strength stainless steelbolting materials and bolting components for special purposeapplications such as pressure vessels.Several grades ofprecipitation-hardened and duplex(ferritic-austenitic)stainlesssteels are covered.Selection will depend upon design,serviceconditions,mechanical properties and characteristics related tothe application.1.2 The following referenced general requirements are in-dispensable for application of this specification:SpecificationA962/A962M.1.3 Supplementary Requirements are provided for use at theoption of the purchaser.The Supplementary Requirementsshall only apply when specified individually by the purchaserin the purchase order or contract.1.4 This specification is expressed in both inch-pound unitsand in SI units;however,unless the purchase order or contractspecifies the applicable“M”specification designation(SIunits),the inch-pound units shall apply.1.5 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.1.6 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:2A276/A276M Specification for Stainless Steel Bars andShapesA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA479/A479M Specification for Stainless Steel Bars andShapes for Use in Boilers and Other Pressure VesselsA564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA959/A959M Guide for Specifying Harmonized StandardGrade Compositions for Wrought Stainless SteelsA962/A962M Specification for Common Requirements forBolting Intended for Use at Any Temperature from Cryo-genic to the Creep Range2.2 ASNT Documents:3ASNT SNT-TC-1A Recommended Practice for PersonnelQualification and Certification in Nondestructive Testing3.Ordering Information3.1 The inquiry and order shall indicate the following,asrequired,to describe the desired material adequately:3.1.1 Quantity(weight or number of pieces),3.1.2 Description of item(bars,bolts,nuts,etc.),3.1.3 UNS Designation or Type(see Table 1),3.1.4 Heat-Treat Condition(see 7.1.1),3.1.5 Dimension/Threads,etc.(see the section in Specifica-tionA962/A962Mtitled“Workmanship,Finish,andAppearance”),and3.1.6 Supplementary Requirements,if any.4.Common Requirements4.1 Bolting materials and components supplied to thisspecification shall conform to the requirements of SpecificationA962/A962M.These requirements include test methods,finish,thread dimensions,marking,terminology,testing,1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.22 on Steel Forgings and Wrought Fittings for Piping Applications and BoltingMaterials for Piping and Special Purpose Applications.Current edition approved May 1,2016.Published June 2016.Originallyapproved in 2012.Last previous edition approved in 2015 as A1082/A1082M 15.DOI:10.1520/A1082/A1082M-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.3Available fromAmerican Society for Nondestructive Testing(ASNT),P.O.Box28518,1711 Arlingate Ln.,Columbus,OH 43228-0518,http:/www.asnt.org.*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 certification,optional supplementary requirements,and others.Failure to comply with the requirements of SpecificationA962/A962M constitutes nonconformance with this specifica-tion.In case of conflict between the requirements of thisspecification and Specification A962/A962M,this specificationshall prevail.5.Materials and Manufacture5.1 Bars shall be produced in accordance with Specifica-tions A276/A276M,A479/A479M or A564/A564M as appli-cable.Finish(h