ASTM_A_1014_-_A_1014M_-_16.pdf

Designation:A1014/A1014M16Standard Specification forPrecipitation-Hardening Bolting(UNS N07718)for HighTemperature Service1This standard is issued under the fixed designation A1014/A1014M;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 precipitation hardening boltingmaterial(UNS N07718)and bolting components for hightemperature service.See Specification A962/A962M for thedefinition of“bolting.”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 requirements onlyapply when specified individually in the purchase order orcontract.1.4 This specification is expressed in both inch-pound andin SI units.However,unless the purchase order or contractspecifies the applicable M designation(SI units),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.2.Referenced Documents2.1 ASTM Standards:2A962/A962M Specification for Common Requirements forBolting Intended for Use at Any Temperature from Cryo-genic to the Creep RangeB637 Specification for Precipitation-Hardening and ColdWorked Nickel Alloy Bars,Forgings,and Forging Stockfor Moderate or High Temperature ServiceB880 Specification for General Requirements for ChemicalCheck Analysis Limits for Nickel,Nickel Alloys andCobalt AlloysE112 Test Methods for Determining Average Grain SizeE292 Test Methods for Conducting Time-for-Rupture NotchTension Tests of Materials2.2 ASME Standards:3B1.1 Screw Threads2.3 SAE Standards:4AS 7467 Bolts And Screws,Nickel Alloy,UNS N07718Tensile Strength 185 KSI 1275 MPa Stress RuptureRated Procurement Specification3.Ordering Information3.1 OrderingIt shall be the responsibility of the purchaserto specify all requirements that are necessary for product underthis specification including any supplementary ones and thoseincluded in the ordering information required by SpecificationA962/A962M.4.Common Requirements4.1 Common RequirementsBolting material and boltingcomponents furnished to this specification shall conform toSpecification A962/A962M,including any supplementary re-quirements indicated on the purchase order.Failure to complywith Specification A962/A962M constitutes non-conformancewith this specification.If the requirements of this specificationconflict with those of Specification A962/A962M,then therequirements of this specification shall prevail.5.Manufacture5.1 Melting ProcessBolting material alloy shall bemultiple-melted using consumable electrode practice in theremelt cycle or shall be induction melted under vacuum.If1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloysand 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 May 2016.Originallyapproved in 2000.Last previous edition approved in 2015 as A1014/A1014M 15.DOI:10.1520/A1014_A1014M-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 from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:/www.asme.org.4Available from Society of Automotive Engineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001,http:/www.sae.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 consumable electrode re-melting is not performed in vacuum,electrodes produced by vacuum induction melting shall beused.5.2 Heat Treatment:5.2.1 Solution TreatmentBolting material shall be solutionheat treated at a temperature within the range of 1725 to 1850F 940 to 1010 C,held at the selected temperature for a timecommensurate with cross-sectional thickness,and cooled at arate equivalent to an air cool or faster.5.2.1.1 Temperature VariationSolution treating tempera-tures shall be controlled in the range of 6 25 F 6 14 C.5.2.2 Precipitation Heat TreatmentBolting material shallbe heated to 1325 F 720 C,held at temperat