ASTM F1076-87(1997)
(Practice)Standard Practice for Expanded Welded and Silver Brazed Socket Joints for Pipe and Tube
Standard Practice for Expanded Welded and Silver Brazed Socket Joints for Pipe and Tube
SCOPE
1.1 This practice describes expanded welded and silver brazed socket joints for use on shipboard piping systems.
1.2 Expanded welded and silver brazed socket joints are to be used to join two pipes or tubes having the same NPS (see Note) without using a fitting or butt weld.
1.3 Brazed socket type joints are not intended for use on systems containing flammable or combustible fluids in areas where fire hazards exist or where the service temperature exceeds 425°F (205°C).
1.4 Brazed joints depending solely upon a fillet weld rather than primarily upon brazing material between pipe/ tube and socket, are not covered by this practice. Note-The dimensionless designator nominal pipe size (NPS) has been substituted in this practice for such traditional terms as "nominal diameter," "size," and "nominal size, and "iron pipe size."
1.5 The values stated in inch-pound units are to be regarded as the standard.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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An American National Standard
Designation: F 1076 – 87 (Reapproved 1997)
Standard Practice for
Expanded Welded and Silver Brazed Socket Joints for Pipe
and Tube
This standard is issued under the fixed designation F 1076; 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.
1. Scope MIL-P-1144 Pipe, Corrosion-Resistant, Stainless Steel,
Seamless and Welded
1.1 This practice describes expanded welded and silver
MIL-T-16420 Tube, Copper-Nickel Alloy, Seamless and
brazed socket joints for use on shipboard piping systems.
Welded
1.2 Expanded welded and silver brazed socket joints are to
MIL-T-24107 Tube, Copper (Seamless)
be used to join two pipes or tubes having the same NPS (see
2.3 ASME Standard:
Note 1) without using a fitting or butt weld.
ASME Boiler Code
1.3 Brazed socket type joints are not intended for use on
2.4 Federal Standard:
systems containing flammable or combustible fluids in areas
Title 46 Code of Federal Regulations
where fire hazards exist or where the service temperature
2.5 NAVSEA Document:
exceeds 425°F (205°C).
0900-LP-001-7000 Fabrication and Inspection of Brazed
1.4 Brazed joints depending solely upon a fillet weld rather
Piping Systems
than primarily upon brazing material between pipe/tube and
socket, are not covered by this practice.
3. Significance and Use
NOTE 1—The dimensionless designator nominal pipe size (NPS) has
3.1 Expanded welded socket joints may be used with the
been substituted in this practice for such traditional terms as “nominal
following pipe and tube:
diameter,” “size,” and “nominal size,” and “iron pipe size.”
3.1.1 Seamless Copper Tube—2.375-in. (60-mm) outside
1.5 The values stated in inch-pound units are to be regarded
diameter through 6.625-in. (170-mm) outside diameter.
as the standard.
3.1.2 Seamless Copper-Nickel Tube—2.375-in. (60-mm)
1.6 This standard does not purport to address all of the
outside diameter through 6.625-in. (170-mm) outside diameter.
safety concerns, if any, associated with its use. It is the
3.1.3 Seamless Copper Water Tube—2.125-in. (55-mm)
responsibility of the user of this standard to establish appro-
outside diameter through 4.125-in. (105-mm) outside diameter.
priate safety and health practices and determine the applica-
3.1.4 Seamless Stainless Steel Pipe—2 NPS through 6 NPS,
bility of regulatory limitations prior to use.
Schedules 5 and 10.
3.2 Expanded silver brazed socket joints may be used with
2. Referenced Documents
the following tube:
2.1 ASTM Standards:
3.2.1 Seamless Copper Tube—2.375-in. (60-mm) outside
A 312/A312M Specification for Seamless and Welded Aus-
diameter through 6.625-in. (170-mm) outside diameter.
tenitic Stainless Steel Pipe
3.2.2 Seamless Copper-Nickel Tube—2.375-in. (60-mm)
B 75 Specification for Seamless Copper Tube
outside diameter through 6.625-in. (170-mm) outside diameter.
B 88 Specification for Seamless Copper Water Tube
3.2.3 Seamless Copper Water Tube—2.125-in. (55-mm)
B 466 Specification for Seamless Copper-Nickel Pipe and
outside diameter through 4.125-in. (105-mm) outside diameter.
Tube
3.3 Expanded welded and silver brazed socket joints may be
2.2 Military Standards:
used where experience or test has demonstrated that the joint is
safe and suitable for design and operating conditions, and
where adequate provision is made to prevent separation of the
joint.
This practice is under the jurisdiction of ASTM Committee F25 on Ships and
Marine Technology and is the direct responsibility of Subcommittee F25.13 on
Piping Systems.
Current edition approved Aug. 28, 1987. Published October 1987. Available from U.S. Government Printing Office, Washington, DC 20402.
2 5
Annual Book of ASTM Standards, Vol 01.01. Available from American Society of Mechanical Engineers, Headquarters,
Annual Book of ASTM Standards, Vol 02.01. Three Park Ave., New York, NY 10016–5990.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F 1076 – 87 (1997)
4. Materials and Manufacture 4.2 Silver-Brazed Socket Joint:
4.1 Welded Socket Joint:
4.1.1 Seamless Copper Tube—Specification B 75, UNS
4.2.1 Seamless Copper Tube—Specification B 75, UNS
Number C12200 and MIL-T-24107, UNS Number C12200,
Number C12200 and MIL-T-24107, UNS Number C12200,
light drawn (see 5.3).
light drawn (see 5.3).
4.1.2 Seamless Copper-Nickel Tube (90-10)—Specification
4.2.2 Seamless Copper-Nickel Tube (90-10)—Specification
B 466, UNS Number C70600 and MIL-T-16420, UNS Number
B 466, UNS Number C70600 and MIL-T-16420, UNS Number
C70600, Class 200, annealed.
C70600, Class 200, annealed.
4.1.3 Seamless Copper-Nickel Tube (70-30)—Specification
4.2.3 Seamless Copper-Nickel Tube (70-30)—Specification
B 466, UNS Number C71500 and MIL-T-16420, UNS Number
B 466, UNS Number C71500 and MIL-T-16420, UNS Number
C71500, Class 200, annealed.
C71500, Class 200, annealed.
4.1.4 Seamless Copper Water Tube—Specification B 88,
Type K, UNS Number C71500, drawn (see 5.3).
4.1.5 Seamless Stainless Steel Pipe—Specification A 312/
A 312M, UNS Number S30400 and S31600. MIL-P-1144,
UNS Number S30400 and S31600, Schedules 5 and 10.
TABLE 1 Expanded Welded Socket Joint
NOTE 1—1 in. = 25.4 mm. °F = (°C 3 9/5) + 32.
System Size Wall Thickness Maximum Design Pressure and Temperature
T T
Tube
Mini- Minimum
Material
Size Outside Commercial System MIL-Specification
mum as After Ex-
A
(NPS) Diameter, Class II System, Class P2
Procured, pansion,
in.
in. in.
Seamless light drawn copper tube, Specification 2 2.375 0.065 0.061 200 psi at 406°F 200 psi at 425°F
B 75, UNS Number C12200 and MIL-T-24107, 2½ 2.875 0.065 0.062
Alloy 122.
3 3.500 0.065 0.062
4 4.500 0.065 0.063
5 5.563 0.068 0.066
6 6.625 0.081 0.079
Seamless annealed copper-nickel tubing (90-10), 2 2.375 0.083 0.077 200 psi at 450°F 200 psi at 450°F
Specification B 466, UNS Number C70600 and 2½ 2.875 0.083 0.078
MIL-T-16420, Alloy 706, Class 200. 3 3.500 0.095 0.089
4 4.500 0.109 0.103
5 5.563 0.125 0.119
6 6.625 0.134 0.128
Seamless annealed copper-nickel tubing (70-30), 2 2.375 0.083 0.077 200 psi at 450°F 200 psi at 450°F
Specification B 466, UNS Number C71500 and 2½ 2.875 0.083 0.078
MIL-T-16420, Alloy 715, Class 200. 3 3.500 0.095 0.089
4 4.500 0.109 0.103
5 5.563 0.125 0.119
6 6.625 0.134 0.128
Seamless drawn copper water tube, Specification 2 2.125 0.083 0.076 200 psi
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