ASTM F681-82(2008)

Standard Practice for Use of Branch Connections

STANDARD published on 1.11.2008

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The information about the standard:

Designation standards: ASTM F681-82(2008)
Note: WITHDRAWN
Publication date standards: 1.11.2008
SKU: NS-56101
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM F681-82(2008) :

Keywords:

branch connnections, carbon steel connections, chromium-molybdenum steel pipe, copper-nickel alloy tubing, Branch connections (for shipboard piping), Carbon steel pipe, Carbon steel tube, Copper-nickel alloys, Chromium-molybdenum steel, Copper alloy pipe, Shipbuilding piping materials, Shipbuilding steel pipe materials, ICS Number Code 47.020.60 (Electrical equipment for ships or marine structures)

Additional information

1. Scope

1.1 This practice lists commonly used types of branch connections for carbon steel, chromium-molybdenum steel pipe and copper-nickel alloy tubing. Branch to run size applications are given in Table 1, Table 2, and Table 3. Other types of branch connections (Fig. 1) may be used provided they comply with the requirements of Title 46 CFR Subparts 56.07-10(f) and 56.70-15(g) of the USCG Regulations.

TABLE 1 Branch Connection Matrix for Carbon Steel Piping
LEGEND (see Fig. 1)


	1 = Tee or lateral (butt weld)
	2 = Tee or lateral (socket weld or threaded)
	3 = Welded outlet (butt weld end)
	4 = Welded outlet (socket weld or threaded end)
	5 = Fabricated joint (cut-in branch)

TABLE 2 Branch Connection Matrix for Chrome Moly Piping
LEGEND (see Fig. 1)


	1 = Tee or lateral (butt weld)
	2 = Tee or lateral (socket weld)
	3 = Welded outlet (butt weld end)
	4 = Welded outlet (socket weld end)
	5 = Fabricated joint (cut-in branch)

TABLE 3 Branch Connection Matrix for Copper Nickel Piping
LEGEND (see Fig. 1)


	1 = Tee or lateral (butt weld)
	2 = Tee or lateral (silver brazed)
	3 = Welded outlet (butt weld end)
	4 = Welded outlet (silver brazed end)
	5 = Fabricated joint (cut-in branch)
	6 = Silver brazed outlet (silver brazed end)

FIG. 1 Illustrative Legend for Branch Connections

2. Referenced Documents

Title 46	Code of Federal Regulations (CFR) Shipping, Parts 41 to 69
B31.1	Power Piping
F722-18(2022)	Standard Specification for Welded Joints for Shipboard Piping Systems

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