ASTM-A694-Carbon-and-Alloy-Steel-Forgings-for-Pipe-Flanges-Fittings-Valves-and-Parts-for-High-Pressure-Transmission-Service

Designation:A 694/A 694M -99An American Nafional StandardStandard Specification forCarbon and Alloy Steel Forgings for Pipe Flanges,Fittings,Valves,and Parts for High-Pressure Transmission ServiceThis standard is issued under the fi xed designation A 694/A 694M;the number immediately following the designation indicates the yearoforiginal 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 specifi cation covers forged or rolled steel pipeGradeYield Strength (0.2Tensile Strength,Elongation in 2flanges,forged fittings,valves,and parts suitable for use withOffset),min,ksi [MPa]min,ksi [MPa]in.or 50 mm,minhigh-strength transmission-service pipe.They are made toF4242290]60[415可20specified dimensions,or to dimensional standards,such as theF46461315]60I41520ASME and MSS specifi cations referenced in Section 1.2.F4848330]62【425201.2 Several grades of material,based on minimum yieldF5050345164[44020F5252360166I45520strength requirements,are covered,as indicated in Table 1.F56563851681470201.3 Supplementary Requirements are provided.Supplemen-F6060415]75[51520tary Requirement S 1 is provided for use when purchaserF6565450】77I53020F7070485]82I565可18approval is required for repair welding.1.4 This specifi cation is expressed in both inch-pound unitsand in SI units.However,unless the order specifies theA 788 Specification for Steel Forgings,General Require-applicable "M"specifi cation designation (SI units),the mate-ments3rial shall be fumished to inch-pound units.A 961 Specification for Common Requirements for Steel1.5 The values stated in either inch-pound units or SI unitsFlanges,Forged Fittings,Valves,and Parts for Pipingare to be regarded separately as standard.Within the text,theApplications2SI units are shown in brackets.The values stated in each2.3 ASME Standards:system are not exact equivalents;therefore,each system mustASME B 16.5 Steel Pipe Flanges and Flanged Fittingsbe used independently of the other.Combining values from theASME B 16.9 Steel Butt-Welding Fittingstwo systems may result in nonconformance with the specifi-ASME B 16.10 Face-to-Face and End-to-End Dimensionscation.of Ferrous Valves4ASME B 16.11 Forged Steel Fittings,Socket Welding and2.Referenced DocumentsThreaded2.1 In addition to those reference documents listed inASME B 16.28 Wrought Steel Butt-Welding Short RadiusSpecifi cation A 961,the following list of standards apply toElbowsthis specifi cation:ASME B 16.47 Large Diameter Steel Flanges2.2 ASTM Standards:B and PV Code Section IX,Welding QualificationsA 53/A 53M Specification for Pipe,Steel,Black and Hot-2.4 MSS Standards:5Dipped,Zinc-Coated,Welded and Seamless2MSS SP-44 Standard for Steel Pipe Line FlangesA 106 Specifi cation for Seamless Carbon Steel Pipe forMSS SP-75 Specifi cation for High-Test Welding FittingsHigh-Temp