astm-a694

Designation:A 694/A 694M-08NTERNATIONALStandard Specification forCarbon and Alloy Steel Forgings for Pipe Flanges,Fittings,Valves,and Parts for High-Pressure Transmission ServiceThis standard is issued under the fixed designation A694/A 694M: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 (e)indicates an editorial change since the last revision or reapproval.1.ScopeTABLE 1 Tensile Requirements1.1 This specification covers forged or rolled steel pipeGradeYield Strength (0.2%Tensile Strength,Elongation in 2Offset),min,ksi [MPa]min,ksi [MPa]in.or 50 mm,flanges,forged fittings,valves,and parts suitable for use withminhigh-strength transmission-service pipe.Included are flanges,F4242290]60415120fittings,and similar parts ordered either to dimensions specifiedF464631560[41520by the purchaser or to ASME or MSS dimensional standardsF484833062I42520referenced in Section 2.F5050345164[440120F525236066[455201.2 Several grades of material,based on minimum yieldF5656385]681470]20strength requirements,are covered,as indicated in Table 1.F606041575515201.3 Supplementary Requirements are provided.Supplemen-F6565450]77[530]20F7070485]82[565]18tary 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 theUse With High-Pressure Transmission Systemsapplicable "M"specification designation (SI units),the mate-A 707/A 707M Specification for Forged Carbon and Alloyrial shall be fumished to inch-pound units.Steel Flanges for Low-Temperature Service1.5 The values stated in either SI units or inch-pound unitsA 788/A 788M Specification for Steel Forgings,Generalare to be regarded separately as standard.Within the text,theRequirementsSI units are shown in brackets.The values stated in eachA 961/A 961M Specification for Common Requirementssystem are not exact equivalents;therefore,each system mustfor Steel Flanges,Forged Fittings,Valves,and Parts forbe used independently of the other.Combining values from thePiping Applicationstwo systems may result in nonconformance with the standard.2.3 ASME Standards:ASME B 16.5 Steel Pipe Flanges and Flanged Fittings32.Referenced DocumentsASME B 16.9 Steel Butt-Welding Fittings32.1 In addition to those reference documents listed inASME B 16.10 Face-to-Face and End-to-End DimensionsSpecification A 961/A 961M,the following list of standardsof Ferrous Valves3apply to this specification:ASME B 16.11 Forged Steel Fittings,Socket Welding and2.2 ASTM Standards:2Threaded3A 53/A 53M Specification for Pipe,Steel,Black and Hot-ASME B 16.28 Wrought Steel Butt-Welding Short RadiusDipped,Zinc-Coated,Welded and SeamlessElbows3A 106/A 106M Specification for Seamless Carbon SteelASME B 16.47 Large Diameter Steel Flanges3Pipe for High-Temp