ASTM_F_722_-_82_2014.pdf

Designation:F72282(Reapproved 2014)An American National StandardStandard Specification forWelded Joints for Shipboard Piping Systems1This standard is issued under the fixed designation F722;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers typical details of welded jointscommonly used in shipboard piping systems.These joints andother joints may be used provided the welding procedures usedhave been qualified in accordance with the applicable regula-tory rules and regulations.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 Federal Standards:Code of Federal Regulations Title 46 Shipping,Parts 30 to402Code of Federal Regulations Title 46 Shipping,Parts 41 to692Code of Federal Regulations Title 46 Shipping,Parts 140 to1492Rules for Building and Classing Steel Vessels33.Application,Service,Limitations,and List of WeldJoint Details3.1 Details of welded joints,including application,service,and limitation notes,are provided in the appropriate figures,asfollows:3.1.1 Butt-Welded Joints for Pipes,Valves,Fittings,andFlanges:Fig.1 Butt Joint,SquareFig.2 Butt Joint,V-GroovedFig.3 Butt Joint,V-Grooved,Welded Both SidesFig.4 Butt Joint,Double V-Grooved,Welded Both SidesFig.5 Butt Joint,Compound Bevel V-Grooved,WeldedBoth SidesFig.6 Butt Joint,V-Grooved,Miter TypeFig.7 Butt Joint,V-Grooved,Welded with Bevel End-TypeBacking RingFig.8 Butt Joint,Compound Bevel V-Grooved,Weldedwith Bevel End-Type Backing RingFig.9 Butt Joint,V-Grooved Welded with Bevel EndLug-Type Backing RingFig.10 Butt Joint,V-Grooved,Welded with Square End-Type Backing RingFig.11 Butt Joint,V-Grooved,Welded with ConsumableInsert RingFig.12 Butt Joint,Compound Bevel V-Grooved,Weldedwith Consumable Insert RingFig.13 Butt Joint,U-Grooved,Welded with ConsumableInsert RingFig.14 Butt Joint,V-Grooved,Welded with ConsumableInsert RingFig.15 Butt Joint,Socket Weld to Socket Weld Valve,Fitting or Flange Welded on Pipe NippleFig.16 Butt Joint,Transition between Unequal Inside andOutside Diameter Components3.1.2 Fillet Welded Joints for Valves,Fittings,and Flanges:Fig.17 Fillet Welded Sleeve-Type Pipe CouplingFig.18 Fillet Welded Socket Weld Fitting or ValveFig.19 Fillet Welded Socket Weld-FlangeFig.20 Double Fillet Welded Slip-On Flange(Forged)Fig.21 Double Fillet Welded Slip-On Flange(Plate Type)Fig.22 Fillet Welded Slip-On Flange(Plate Type),SingleBevel3.1.3 Fabricated Joints:Fig.23 Fillet Welded Internal Root ConnectionFig.24 Fillet Welded External Root ConnectionFig.25 Fillet Reinforced External Root Connection SingleBevelFig.26 Fillet Reinforced External Root Connection,SingleBevel,Welded Both SidesFig.27 Fillet Reinforced External Root Connection,SingleBevel,Welded with Square End Backing RingFig.28 Fillet Reinforced Internal Root Connection,SingleBevel,Welded with Square End Backing Ring1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Systems.Current edition approved Nov.1,2014.Published November 2014.Originallyapproved in 1981.Last previous edition approved in 2008 as F722 82(2008).DOI:10.1520/F0722-82R14.2Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.3Available from American Bureau of Shipping(ABS),ABS Plaza,16855Northchase Dr.,Houston,TX 77060,http:/www.eagle.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.4 Outlet and Boss Connections:Fig.29 Fillet Reinforced Boss Connection Without Pilot,Single BevelFig.30 Fillet Reinforced Boss Connection with Pilot,SingleBevelFig.31 Fillet Reinforced Boss Connection(Couplet)withIntegral Backing RingFig.32 Fillet Reinforced External Root Connection,SingleBevel with Integrally Reinforced OutletFig.33 Fillet Reinforced External Root Connection WeldedBoth Sides,Single Bevel with Integrally Reinforced Outlet4.Piping Classifications and Butt Weld Reinforcements4.1 Piping classifications in accordance with Subpart 56.04of USCG Regulations apply to this specification.For defini-tions of ABS Group I and II Pipe Connections,see ABS Rules,Section 30,Paragraph 30.13.4.2 Maximum thickness of butt weld reinforcements inaccordance with Subpart 56.70,Table 56.70-15,of USCGRegulations are listed in Table 1.5.Keywords5.1 backing ring pipe welds;boss connections;flangewelds;miter joint weld;pipe welds;root connections;sleevepipe welds;socket welds;welded joints18in.316in.=3 mm5