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ASTM_A_694_-_A_694M_-_16.pdf
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TM_A_694_ _A_694M_ _16
Designation:A694/A694M16Standard Specification forCarbon and Alloy Steel Forgings for Pipe Flanges,Fittings,Valves,and Parts for High-Pressure Transmission Service1This standard is issued under the fixed designation A694/A694M;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 forged or rolled steel pipeflanges,forged fittings,valves,and parts suitable for use withhigh-strength transmission-service pipe.Included are flanges,fittings,and similar parts ordered either to dimensions specifiedby the purchaser or to ASME or MSS dimensional standardsreferenced in Section 2.1.2 Several grades of material,based on minimum yieldstrength requirements,are covered,as indicated in Table 1.1.3 Supplementary Requirements are provided.Supplemen-tary Requirement S1 is provided for use when purchaserapproval is required for repair welding.1.4 This specification is expressed in both inch-pound unitsand in SI units.However,unless the order specifies theapplicable“M”specification designation(SI units),the mate-rial shall be furnished to inch-pound units.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 are not exact equivalents;therefore,each system mustbe used independently of the other.Combining values from thetwo systems may result in nonconformance with the standard.2.Referenced Documents2.1 In addition to those reference documents listed inSpecification A961/A961M,the following list of standardsapply to this specification:2.2 ASTM Standards:2A53/A53M Specification for Pipe,Steel,Black and Hot-Dipped,Zinc-Coated,Welded and SeamlessA106/A106M Specification for Seamless Carbon Steel Pipefor High-Temperature ServiceA381 Specification for Metal-Arc-Welded Steel Pipe for UseWith High-Pressure Transmission SystemsA707/A707M Specification for Forged Carbon and AlloySteel Flanges for Low-Temperature ServiceA788/A788M Specification for Steel Forgings,General Re-quirementsA961/A961M Specification for Common Requirements forSteel Flanges,Forged Fittings,Valves,and Parts forPiping Applications2.3 ASME Standards:ASME B 16.5 Steel Pipe Flanges and Flanged Fittings3ASME B 16.9 Steel Butt-Welding Fittings3ASME B 16.11 Forged Steel Fittings,Socket Welding andThreaded3ASME B 16.47 Large Diameter Steel Flanges32.4 MSS Standards:4MSS SP-44 Standard for Steel Pipe Line FlangesMSS SP-75 Specification for High-Test Welding FittingsMSS SP-97 Integrally Reinforced Forged Branch OutletFittings2.5 API Standard:5L Specification for Line Pipe53.Ordering Information3.1 It is the purchasers responsibility to specify in thepurchase order all ordering information necessary to purchasethe needed material.In addition to the ordering guidelines inSpecification A961/A961M,orders should include the follow-ing information:3.1.1 Additional requirements(see 8.1 and 11.1).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 May 2016.Originallyapproved in 1974.Last previous edition approved in 2014 as A694/A694M 14.DOI:10.1520/A0694_A0694M-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 Manufacturers Standardization Society of the Valve and FittingsIndustry(MSS),127 Park St.,NE,Vienna,VA 22180-4602,http:/www.mss-.5Available from American Petroleum Institute(API),1220 L.St.,NW,Washington,DC 20005-4070,http:/www.api.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 4.General Requirements4.1 Product furnished to this specification shall conform tothe requirements of Specification A961/A961M,including anysupplementary requirements that are indicated in the purchaseorder.Failure to comply with the general requirements ofSpecification A961/A961M constitutes nonconformance withthis specification.In case of conflict between the requirementsof this specification and Specification A961/A961M,thisspecification shall prevail.5.Manufacture5.1 Melting Process:5.1.1The steel shall be made by any of the followingproces

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