ASTM F722-82(2004)

Standard Specification for Welded Joints for Shipboard Piping Systems

ABSTRACT
This specification covers typical details of welded joints commonly used in shipboard piping systems. These joints and other joints may be used provided the welding procedures used have been qualified in accordance with the applicable regulatory rules and regulations. The maximum butt weld reinforcement of differnet nominal wall thicknesses of pipe or tube shall be discussed.
SCOPE
1.1 This specification covers typical details of welded joints commonly used in shipboard piping systems. These joints and other joints may be used provided the welding procedures used have been qualified in accordance with the applicable regulatory rules and regulations.
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 31-Oct-2004
• ICS: 25.160.40 - Welded joints and welds
• Technical Committee: F25 - Ships and Marine Technology
• Drafting Committee: F25.11 - Machinery and Piping Systems

Relations

• Replaces: ASTM F722-82(1998) - Standard Specification for Welded Joints for Shipboard Piping Systems
• Effective Date: 01-Nov-2004
• Replaced By: ASTM F722-82(2008) - Standard Specification for Welded Joints for Shipboard Piping Systems
• Effective Date: 01-Nov-2008
• Referred By: ASTM F2014-00(2019) - Standard Specification for Non-Reinforced Extruded Tee Connections for Piping Applications
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1155-10(2019) - Standard Practice for Selection and Application of Piping System Materials
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1298-90(2023) - Standard Specification for Flexible, Expansion-Type Ball Joints for Marine Applications
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1271-90(2023) - Standard Specification for Spill Valves for Use in Marine Tank Liquid Overpressure Protections Applications
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1200-21a - Standard Specification for Fabricated (Welded) Pipe Line Strainers (Above 150 psig and 150°F (1 MPa and 65°C))
• Effective Date: 01-Nov-2004
• Referred By: ASTM F681-82(2022) - Standard Practice for Use of Branch Connections
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1172-88(2019) - Standard Specification for Fuel Oil Meters of the Volumetric Positive Displacement Type
• Effective Date: 01-Nov-2004
• Referred By: ASTM F3386/F3386M-21 - Standard Specification for Detonation Flame Arresters
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1201-88(2021) - Standard Specification for Fluid Conditioner Fittings in Piping Applications Above 0 °F
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1273-21 - Standard Specification for Tank Vent Flame Arresters
• Effective Date: 01-Nov-2004
• Referred By: ASTM F1386-92(2021) - Standard Guide for Construction of Sounding Tube and Striker Plate for Tank Sounding
• Effective Date: 01-Nov-2004

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation: F 722 – 82 (Reapproved 2004)
Standard Specification for
1
Welded Joints for Shipboard Piping Systems
This standard is issued under the fixed designation F 722; the number immediately following the designation indicates the year of
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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope Fig. 6 Butt Joint, V-Grooved, Miter Type
Fig. 7 Butt Joint, V-Grooved, Welded with Bevel End-Type
1.1 This specification covers typical details of welded joints
Backing Ring
commonly used in shipboard piping systems. These joints and
Fig. 8 Butt Joint, Compound Bevel V-Grooved, Welded
other joints may be used provided the welding procedures used
with Bevel End-Type Backing Ring
have been qualified in accordance with the applicable regula-
Fig. 9 Butt Joint, V-Grooved Welded with Bevel End
tory rules and regulations.
Lug-Type Backing Ring
1.2 The values stated in inch-pound units are to be regarded
Fig. 10 Butt Joint, V-Grooved, Welded with Square End-
as the standard.
Type Backing Ring
2. Referenced Documents Fig. 11 Butt Joint, V-Grooved, Welded with Consumable
Insert Ring
2.1 Federal Standards:
Fig. 12 Butt Joint, Compound Bevel V-Grooved, Welded
CodeofFederalRegulationsTitle46, Shipping,Parats30to
2
with Consumable Insert Ring
40 ’
Fig. 13 Butt Joint, U-Grooved, Welded with Consumable
Code of Federal Regulations Title 46, Shipping, Parts 41 to
2
Insert Ring
69
Fig. 14 Butt Joint, V-Grooved, Welded with Consumable
CodeofFederalRegulationsTitle46, Shipping,Parts140to
2
Insert Ring
149
3
Fig. 15 Butt Joint, Socket Weld to Socket Weld Valve,
Rules for Building and Classing Steel Vessels
Fitting or Flange Welded on Pipe Nipple
3. Application, Service, Limitations, and List of Weld
Fig. 16 Butt Joint, Transition between Unequal Inside and
Joint Details
Outside Diameter Components
3.1.2 Fillet Welded Joints for Valves, Fittings, and Flanges:
3.1 Details of welded joints, including application, service,
Fig. 17 Fillet Welded Sleeve-Type Pipe Coupling
and limitation notes, are provided in the appropriate figures, as
Fig. 18 Fillet Welded Socket Weld Fitting or Valve
follows:
Fig. 19 Fillet Welded Socket Weld-Flange
3.1.1 Butt-Welded Joints for Pipes, Valves, Fittings, and
Fig. 20 Double Fillet Welded Slip-On Flange (Forged)
Flanges:
Fig. 21 Double Fillet Welded Slip-On Flange (Plate Type)
Fig. 1 Butt Joint, Square
Fig. 22 Fillet Welded Slip-On Flange (Plate Type), Single
Fig. 2 Butt Joint, V-Grooved
Bevel
Fig. 3 Butt Joint, V-Grooved, Welded Both Sides
3.1.3 Fabricated Joints:
Fig. 4 Butt Joint, Double V-Grooved, Welded Both Sides
Fig. 23 Fillet Welded Internal Root Connection
Fig. 5 Butt Joint, Compound Bevel V-Grooved, Welded
Fig. 24 Fillet Welded External Root Connection
Both Sides
Fig. 25 Fillet Reinforced External Root Connection Single
Bevel
1
This specification is under the jurisdiction of ASTM Committee F25 on Ships
Fig. 26 Fillet Reinforced External Root Connection, Single
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
Bevel, Welded Both Sides
Machinery and Piping Systems.
Fig. 27 Fillet Reinforced External Root Connection, Single
Current edition approved Nov. 1, 2004. Published November 2004. Originally
approved in 1981. Last previous edition approved in 1998 as F 722 – 82 (1998).
Bevel, Welded with Square End Backing Ring
2
AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Fig. 28 Fillet Reinforced Internal Root Connection, Single
732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.
3 Bevel, Welded with Square End Backing Ring
Available from American Bureau of Shipping (ABS), ABS Plaza, 16855
Northchase Dr., Houston, TX 77060. 3.1.4 Outlet and Boss Connections:
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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F 722 – 82 (2004)
Fig. 29 Fillet Reinforced Boss Connection Without Pilot,
Single Bevel
Fig.30 FilletReinforcedBossConnectionwithPilot,Single
Bevel
Fig. 31 Fillet Reinforced Boss Connection (Couplet) with
Integral Backing Ring
Fig. 32 Fillet Reinforced External Root Connection, Single
Bevel with Integrally Reinforced Outlet
Fig. 33 Fillet Reinforced External Root Connection Welded
1
⁄8 in. = 3mm
Both Sides, Single Bevel with Integrally Reinforced Outlet
3
⁄16 in. = 5mm
4. Piping Classifications and Butt Weld Reinforcements
Application—Class II piping
Systems or Service—For services such as gravity drains (including plumbing),
4.1 Piping classifications in accordance with Sub
...