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ASTM F1807-99

(Specification)

Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing

Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing

SCOPE
1.1 This specification covers metal insert fittings and copper crimp rings for four sizes of cross-linked polyethylene (PEX) plastic tubing. These fittings are intended for use in 100 psi (689.5 kPa) cold-and hot-water distribution systems operating at temperatures up to and including 180°F (82°C). Included are the requirements for materials, workmanship, dimensions, burst pressure, sustained pressure, excessive temperature and pressure, temperature cycling tests, and markings to be used on the fittings and rings.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI values stated in parentheses are provided for information purposes.  
1.3 The following precautionary caveat pertains only to the test methods portion, Section 10, of this specification. 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.

General Information

Status
Historical
Publication Date
09-Apr-1999
ICS
23.040.40 - Metal fittings
Technical Committee
F17 - Plastic Piping Systems
Drafting Committee
F17.61 - Water
Current Stage
Ref Project

Relations

Replaced By
ASTM F1807-02 - Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing
Effective Date
10-May-2002
Referred By
ASTM F2735-23 - Standard Specification for Plastic Insert Fittings For SDR9 Cross-linked Polyethylene (PEX) and Polyethylene of Raised Temperature (PE-RT) Tubing
Effective Date
10-Apr-1999
Referred By
ASTM F877-23 - Standard Specification for Crosslinked Polyethylene (PEX) Hot- and Cold-Water Distribution Systems
Effective Date
10-Apr-1999
Referred By
ASTM F2623-22 - Standard Specification for Polyethylene of Raised Temperature (PE-RT) Systems for Non-Potable Water Applications
Effective Date
10-Apr-1999
Referred By
ASTM F2098-18 - Standard Specification for Stainless Steel Clamps for Securing SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) to Metal Insert and Plastic Insert Fittings
Effective Date
10-Apr-1999
Referred By
ASTM F2159-23a - Standard Specification for Plastic Insert Fittings Utilizing a Copper Crimp Ring, or Alternate Stainless Steel Clamps for SDR9 Crosslinked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) Tubing
Effective Date
10-Apr-1999
Referred By
ASTM F3253-23 - Standard Specification for Crosslinked Polyethylene (PEX) Tubing with Oxygen Barrier for Hot- and Cold-Water Hydronic Distribution Systems
Effective Date
10-Apr-1999
Referred By
ASTM D2846/D2846M-19a - Standard Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution Systems
Effective Date
10-Apr-1999
Referred By
ASTM F2769-23a - Standard Specification for Polyethylene of Raised Temperature (PE-RT) Plastic Hot and Cold-Water Tubing and Distribution Systems
Effective Date
10-Apr-1999

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ASTM F1807-99 - Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) TubingASTM F1807-99 - Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing
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ASTM F1807-99 - Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing
English language
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Standards Content (Sample)


An American National Standard
Designation: F 1807 – 99
Standard Specification for
Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9
Cross-linked Polyethylene (PEX) Tubing
This standard is issued under the fixed designation F 1807; 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 D 618 Practice for Conditioning Plastics for Testing
D 1598 Test Method for Time-To-Failure of Plastic Pipe
1.1 This specification covers metal insert fittings and copper
Under Constant Internal Pressure
crimp rings for four sizes of cross-linked polyethylene (PEX)
D 1599 Test Method for Short-Time, Hydraulic Failure
plastic tubing. These fittings are intended for use in 100 psi
Pressure of Plastic Pipe, Tubing, and Fittings
(689.5 kPa) cold- and hot-water distribution systems operating
D 1600 Terminology for Abbreviated Terms Relating to
at temperatures up to and including 180°F (82°C). Included are
Plastics
the requirements for materials, workmanship, dimensions,
D 2122 Test Method for Determining Dimensions of Ther-
burst pressure, sustained pressure, excessive temperature and
moplastic Pipe and Fittings
pressure, temperature cycling tests, and markings to be used on
E 18 Test Methods for Rockwell Hardness and Superficial
the fittings and rings.
Hardness of Metallic Materials
1.2 The values stated in inch-pound units are to be regarded
F 412 Terminology Relating to Plastic Piping Systems
as the standard. The SI values stated in parentheses are
F 876 Specification for Cross-linked Polyethylene (PEX)
provided for information purposes.
Tubing
1.3 The following precautionary caveat pertains only to the
F 877 Specification for Cross-linked Polyethylene (PEX)
test methods portion, Section 10, of this specification. This
Plastic Hot- and Cold-Water Distribution Systems
standarddoesnotpurporttoaddressallofthesafetyconcerns,
2.2 ASME Standards:
ifany,associatedwithitsuse.Itistheresponsibilityoftheuser
B1.20.1 Pipe Threads General Purpose (Inch)
of this standard to establish appropriate safety and health
B16.18 Cast Copper Alloy Solder Joint Pressure Fittings
practices and determine the applicability of regulatory limita-
B16.22 Wrought Copper and Copper Alloy Solder Joint
tions prior to use.
Pressure Fittings
2. Referenced Documents
2.3 Manufacturer’s Standardization Society Standard:
SP-104 Wrought Copper Solder Joint Pressure Fittings
2.1 ASTM Standards:
2.4 NSF International Standard:
B 16 Specification for Free-Cutting Brass Rod, Bar, and
Standard No. 14 for Plastic Piping Components and Related
Shapes for Use in Screw Machines
Materials
B 62 Specification for Composition Bronze or Ounce Metal
Standard No. 61 for Drinking Water System Components-
Castings
Health Effects
B 75 Specification for Seamless Copper Tube
B 88 Specification for Seamless Copper Water Tube
3. Terminology
B 140/B140M Specification for Copper-Zinc-Lead (Leaded
3.1 Definitions are in accordance with Terminology F 412
Red Brass or Hardware Bronze) Rod, Bar, and Shapes
and abbreviations are in accordance withTerminology D 1600,
B 283 SpecificationforCopperandCopper-AlloyDieForg-
unless otherwise indicated.
ings (Hot-Pressed)
B 584 Specification for Copper Alloy Sand Castings for
General Applications
Annual Book of ASTM Standards, Vol 08.01.
Annual Book of ASTM Standards, Vol 08.04.
Annual Book of ASTM Standards, Vol 03.01.
1 6
This standard is under the jurisdiction of ASTM Committee F-17 on Plastic Available from American Society of Mechanical Engineers, 345 E. 47th St.,
Piping Systems and is the direct responsibility of Subcommittee F17.26 on Olefin New York, NY 10017.
Based Pipe. Available from Manufacturer’s Standardization Society of the Valve and
Current edition approved April 10, 1999. Published July 1999. Originally Fittings Industry, 5203 Leesburg Pike, Suite 502, Falls Church, VA 22041.
published as F 1807–97. Last previous edition F 1807–98a. Available from the National Sanitation Foundation International, P.O. Box
Annual Book of ASTM Standards, Vol 02.01. 1468, Ann Arbor, MI 48106.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F1807–99
TABLE 2 Minimum Hydrostatic Sustained Pressure
4. Classification
Requirements for Fitting, Crimp Ring and PEX Tubing
4.1 This specification covers one class of fittings and copper A,B
Assemblies
crimp rings suitable for use with four sizes of PEX tubing that
A
Nominal Tubing Size Pressure Required for Test, psi (kPa)
meet the requirements of Specifications F 876 or F 877.
in. mm 180°F (82.2°C)
⁄8 10 250 (1724)
5. Materials and Manufacture ⁄2 13 195 (1344)
⁄4 and larger 16 and larger 190 (1310)
5.1 Fittings—The fittings shall be made from one of the
A
The fiber stress to derive this test pressure is: 770 psi (5.31 MPa) at 180°F
following metals:
(82.2°C).
B
5.1.1 Wrought Copper—Wrought copper fittings shall be
Test duration is 1000 h.
made from material meeting the requirements of Specification
B 75or B 88 for one of the following coppers: copper UNS
6.5 Excessive Temperature-Pressure Capability:
C10200, C10300, C10800, or C12200.
6.5.1 General—Assemblies shall have adequate strength to
5.1.2 Cast Copper Alloys—Cast copper alloy fittings shall
accommodate short-term conditions, 30 days of 210°F (99°C)
be made from material meeting the requirements of Specifica-
and 150 psi (1034 kPa).
tion B 584, copper alloy UNS C84400, C83800 or C89844 or
6.5.2 Excessive Temperature Hydrostatic Sustained
Specification B 62 copper alloy UNS C83600.
Pressure—Assemblies shall meet sustained pressure require-
5.1.3 Machined Brass—Machined brass fittings shall be
ments shown in Table 3 when tested in accordance with 10.8.
made from material meeting the requirements of Specification
B 140 copper alloy UNS C31400 or Specification B 16 copper
7. Dimensions
alloy UNS C36000.
7.1 Dimensions and Tolerances—The dimensions and tol-
5.1.4 Forged Brass—Forged brass fittings shall be made
erances of fittings and crimp rings shall be as shown in Fig. 1,
from material meeting the requirements of Specification B 283
Fig. 2, Fig. 3, and Fig. 4 when measured in accordance with
copper alloy UNS C37700.
10.4.
5.2 Crimp Rings—Crimp rings shall be made from copper
7.1.1 Alignment—The maximum angular variation of any
UNS C10200, or C12200. The crimp rings shall have a
opening shall not exceed 1° off the true centerline axis.
minimum allowable hardness of 35 and a maximum allowable
7.1.2 Fittings with Solder Joint Ends— Solder joint ends
hardness of 45 on the Rockwell 15T scale when measured
shall be in accordance with ASME B16.22, ASME B16.18, or
according to Test Methods E 18.
MSS SP-104.
7.1.3 Tapered Threaded Ends—Fitting threads shall be
6. Performance Requirements
right-hand conforming to ASME B1.20.1. They shall be taper
6.1 General—All performance tests shall be performed on
threads (NPT).
assembliesoffittings,crimpringsandPEXtubing.Fittingsand
crimp rings shall meet the material and dimensional require-
8. Workmanship, Finish, and Appearance
ments of this specification. PEX tubing shall meet the require-
8.1 The sealing surfaces of the insert shall be smooth and
ments of Specification F 876 or F 877. Assembly of test
free of foreign material. Fitting walls shall be free of cracks,
specimens shall be in accordance with 9.1.1. Each assembly
holes, blisters, voids, foreign inclusions, or other defects that
shall contain at least two (2) joints. Use separate sets of
are visible to the unaided eye, that affect the wall integrity.
assemblies for each performance test requirement.
6.2 Hydrostatic Burst—Assemblies shall meet the mini-
9. Assembly
mum hydrostatic burst requirements shown in Table 1 when
9.1 Crimp Joints—Insert fittings shall be joined to PEX
tested in accordance with 10.5.
tubing by the compression of a copper crimp ring around the
6.3 Hydrostatic Sustained Pressure Strength—Assemblies
outer circumference of the tubing, forcing the tubing material
shall meet the hydrostatic sustained pressure requirements
into annular spaces formed by ribs on the fitting. Insert fittings
shown in Table 2 when tested in accordance with 10.6.
and crimp rings shall meet the dimensional and material
6.4 Thermocycling—Assemblies shall not leak or separate
requirements of this standard. PEX tubing shall meet the
when thermocycled 1000 cycles between the temperatures of
requirements of Specifications F 876 or F 877.The dimensions
60°F (16°C) and 180°F (82°C) when tested in accordance with
and out-of-roundness of the crimp ring, after it has been
10.7.
crimped, shall be in accordance with Table 4.
9.1.1 Crimping Procedure—The crimping procedure shall
TABLE 1 Minimum Hydrostatic Burst Strength Requirements for
be as follows: slide the crimp ring onto the tubing, insert the
Fitting, Crimp Ring and PEX Tubing Assemblies
ribbed end of the fitting into the end of the tubing until the
Minimum Burst Pressures at Different
Nominal Tubing Size
Temperatures
A A
psi at (kPa) at psi at (kPa) at
TABLE 3 Excessive Temperature and Pressure Requirements for
in. mm
73.4°F (23°C) 180°F (82.2°C)
Fitting, Crimp Ring and PEX Tubing Assemblies
⁄8 10 620 (4275) 275 (1896)
⁄2 13 480 (3309) 215 (1482) Hydrostatic Test Pressure Air Bath Temperature° F
Test Duration, h
A
⁄4 and larger 16 and larger 475 (3275) 210 (1448) Air Bath, psi (kPa) (°C)
720 150 (1034) 210 (99)
A
The fiber stress to derive this test pressure is:
A
at 73.4°F (23.0°C) 1900 psi (13.10 MPa), The fiber stress used to derive this test pressure is 595 psi (4.10 MPa) at
at 180°F (82.2°C) 850 psi (5.86 MPa). 210°F (99°C).
F1807–99
Maximum
A L S Flash and
B D H G T1 T2 R
Outside Min Number of W Minimum Mismatch,
Size Minimum Distance to Min Rib Rib Spacing Minimum Minimum Minimum
C D
Diameter Insert Ribs Rib Width Average Total on
B E E
ID First Rib Height Typical Wall Wall Radius
A A F
of Rib Length Diameter Crest Di-
G,H
ameter
⁄8 in. 0.345 6 0.004 0.230 0.180-0.224 0.625 0.013 2 0.03–0.05 0.120–0.145 0.025 0.025 0.02 0.369 0.005
⁄2 in. 0.471 6 0.004 0.350 0.180-0.224 0.625 0.013 2 0.03–0.05 0.120–0.145 0.028 0.028 0.02 0.495 0.005
⁄4 in. 0.667 6 0.004 0.530 0.180-0.224 0.625 0.013 2 0.03–0.05 0.120–0.145 0.037 0.032 0.02 0.691 0.005
1 in. 0.856 6 0.004 0.710 0.180-0.224 0.795 0.015 3 0.03–0.05 0.120–0.145 0.041 0.035 0.02 0.880 0.005
A
Measured from shoulder of rib to tube stop.
B
Fitting shall be designed with sufficient overall dimensions to allow proper use of crimp tool without interference with previously completed crimps on the same fitting.
C
Lead chamfer area is not considered a rib.
D
Rib sides may be angled.
E
Applies to entire fitting, not just insert area.
F
The raised area serves as a tube stop for wrought copper fittings that do not have a shoulder.
G
The maximum flash and mismatch at the root diameter between the ribs may not exceed 30 % of the rib height.
H
The total flash and mismatch is assumed to be the difference between the dimensions X and Y (see Fig. 2). These dimensions may be measured with appropriate
calipers or micrometers. See Fig. 3 for a graphic definition of flash and mismatch created by imperfection in die half interfaces.
FIG. 1 Fitting Insert Dimensions and Tolerances
FIG. 3 Total Flash and Mismatch
FIG. 2 Flash and Mismatch Created by Imperfection in Die Half
the crimp ring and the tool shall be held so that the crimping
Interfaces
jaws are approximately perpendicular to the axis of the barb.
The jaws of the crimping tool shall be closed around the crimp
tubing contacts the shoulder of the fitting or tube stop. The ring, compressing the crimp ring onto the tubing. The crimp
crimp ring shall then be positioned on the tubing so the edge of ring shall not be crimped more than once. Each crimp shall be
1 1
the crimp ring is ⁄8 to ⁄4 in. (3.2 to 6.4 mm) from the end of checked to determine conformance to the after-crimped dimen-
the tube. The jaws of the crimping tool shall be centered over sional requirements of Table 4.
F1807–99
A B C
Size
A,B B C,D
Avg Outside Diameter Wall Thickness Average Wall Width
⁄8 in. 0.6306 0.003 0.058 6 0.0035 60.002 0.3256 0.020
⁄2 in. 0.7506 0.003 0.056 6 0.0035 60.002 0.3256 0.020
⁄4 in. 1.0006 0.003 0.0566 0.0035 6 0.002 0.3256 0.020
1 in. 1.250 6 0.003 0.049 6 0.0035 6 0.002 0.365 6 0.020
A
All dimensions shall be measured with appropriate micrometers, such as pin or ball micrometers for wall and outside diameter micrometers with flat anvils or vernier
calipers shall be used to measure outside diameters and width of rings.
B
The average measurement is obtained from measurements taken in at least two different circumferential positions which are equally spaced around the circumference.
C
The average wall measurement is obtained from measurements taken in eight different positions which are equally spaced around the circumference.
D
The maximum out-of-roundness of the crimp ring shall not inhibit assembly with the fitting and tubing. The crimp ring dimensions after crimping shall comply with Table
4.
A ,B,C,D
FIG. 4 Copper Crimp Ring Dimensions Before Crimping
TABLE 4 Crimp Ring Dimensions After Crimping on Tube/Fitting
assemblies for each temperature in Table 2. Leakage or
Assembly
separation at any of the joints tested, at less than the minimum
Final Crimped Outside
burst requirements for the temperatures specified in Table 1,
Nominal Tube Size
A,B
Diameter Minimum, Maximum, in. (mm)
Insert End shall constitute a failure in this test.
in. (mm)
10.6 Hydrostatic Sustained Pressure— Perform the test on
⁄8 0.580 (14.7) 0.595 (15.1)
1 at least six assemblies in accordance withTest Method D 1598,
⁄2 0.700 (17.8) 0.715 (18.2)
⁄4 0.945 (24.0) 0.960 (24.4)
except for the following:
1 1.175 (29.8) 1.190 (30.2)
10.6.1 Test temperature shall be 180 6 4°F (82 6 2°C).
A
For all diameters except for the area of scoring caused by the crimping tool.
10.6.2 The external test environment shall be air or water.
B
The maximum out-of-roundness as measured by the difference between the
minimum crimped outside diameter and the maximum crimped outside diameter 10.6.3 Fill the specimens with water at a temperature of at
shall not exceed 0.006 in. (0.150 mm).
least 120°F (50°C).
10.6.4 Leakage or separation at any joint tested, at less than
10. Test Methods
1000 h at the sustained pressure as given in Table 2, shall
10.1 Conditioning—Condition specimens at 73 6 4°F (23
constitute failure in this test.
6 2°C) and 50 6 5 % relative humidity for not less than 4 h
10.7 Thermocycling:
prior to testing. Practice D 618 shall be used as applicable, as
10.7.1 Summary of
...

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ASTM F1974-23(Specification)
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This specification covers metal insert fittings with split ring and compression nut (compression joint) and metal insert fittings with copper crimp rings (crimp joint) for four sizes of composite pressure pipe. These fittings are intended for use in cold- and hot-water distribution systems operating at a certain temperature range. These fittings are intended for use in potable water distribution systems for residential and commercial applications, water service, underground irrigation systems, and radient panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with the composite pipe and fittings. The fittings are classified into two classes with split ring and compression nut and fittings with a copper crimp ring, suitable for use with four sizes of PEX/AL/PEX or PE/AL/PE pipe. The fittings shall be made from one of the following metals: wrought copper, cast copper alloy, machined brass, and forged brass. Different tests shall be conducted in order to determine the following properties: hydrostatic burst, hydrostatic sustained pressure strength, thermocycling, and excessive temperature and pressure capability. The sealing surfaces of the insert shall be smooth and free of foreign material. The fitting walls shall be free of cracks, holes, blisters, voids, foreign inclusions or other defects that are visible to the naked eye and that affect the wall integrity.
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Note 1: The tables show the “nominal size” in millimetres with the inch size in parentheses. This exception is made to harmonize the “nominal size” with the two pipe standards, Specifications F1281 and F1282.  
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ASTM F1807-23(Specification)
Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring, or Alternate Stainless Steel Clamps, for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) Tubing

ABSTRACT
This specification covers metal insert fittings and copper crimp rings for use with SDR9 cross-linked polyethylene (PEX) tubing. All performance tests shall be performed on assemblies of fittings, crimp rings, and PEX tubing. Fittings and crimp rings shall meet the material and dimensional requirements prescribed. The sealing surfaces of the insert shall be smooth and free of foreign material. Fitting walls shall be free of cracks, holes, blisters, voids, foreign inclusions, or other defects that are visible to the unaided eye and affect the wall integrity. Insert fittings shall be joined to PEX tubing by the compression of a copper crimp ring around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by ribs on the fitting.
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1.1 This specification covers metal insert fittings and copper crimp rings, or alternate stainless steel clamps, for use with cross-linked polyethylene (PEX) tubing in Nominal Tubing Size (NTS) 3/8 , 1/2 , 5/8 , 3/4 , 1, 1 1/4 , 11/2 , and 2 nominal sizes that meet the requirements for Specification F876 or Specification F3253, or for use with polyethylene of raised temperature (PE-RT) tubing in NTS 3/8 , 1/2 , 5/8 , 3/4 , 1, 1 1/4 , 11/2 , and 2 nominal sizes that meet the requirements of Specification F2623 or Specification F2769. These fittings are intended for use in 100 psi (689.5 kPa) cold- and hot-water distribution systems operating at temperatures up to, and including, 180 °F (82 °C).  
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Note 1: Other code and regulatory requirements may apply to fittings for specific applications.  
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Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe

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This specification covers cold-expansion fittings using metal compression-sleeves for use with cross-linked polyethylene (PEX) plastic pipe. These cold-expansion fittings and metal compression-sleeves are intended for use in residential and commercial, hot and cold, potable water distribution systems, as well as sealed central heating, including under-floor heating systems, with continuous operation. Cold-expansion fittings shall be made from one of the following materials: machined brass; machined stainless steel; machined carbon steel; forged brass; or cast copper alloys. Metal compression-sleeves shall be made from one of the following materials: machined brass; machined stainless steel; or plating. Dimension measurements shall be made in accordance with the specified requirements.
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1.1 This specification covers cold-expansion fittings using metal compression-sleeves for use with crosslinked polyethylene (PEX) plastic pipe in 3/8-in., 1/2-in., 5/8-in., 3/4-in., 1-in., 11/4-in., 11/2-in., and 2 in. nominal diameters, meeting the requirements of Specification F876 or F3253, and for use with Polyethylene of Raised Temperature (PE-RT) pipe in 3/8 , 1/2 , 5/8 , 3/4 , 1, 1- 1/4 , nominal diameters meeting the requirements of Specification F2769, whereby the pipe is cold-expanded before fitting assembly. The components covered by this specification are intended for use in residential and commercial, hot and cold, potable water distribution systems or other applications such as municipal water service lines, building supply lines, radiant panel heating systems, hydronic baseboard heating systems, snow and ice melting systems, geothermal underground pipe systems and building services pipe with continuous operation at pressures up to and including 100 psi (690 kPa), and at temperatures up to and including 180 °F (82 °C).  
1.2 Included in this specification are the requirements for materials, workmanship, dimensions, and markings to be used on the fittings and compression-sleeves. Performance requirements are as referenced in Specification F877 for systems containing PEX pipe and Specification F2769 for systems containing PE-RT pipe.  
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.4 The following precautionary caveat pertains only to the test method portion, Section 10, of this specification.  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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM F3525/F3525M-21(Specification)
Standard Specification Fabricated Fittings of Crosslinkable Polyethylene (CX-PE)

SCOPE
1.1 This specification establishes requirements for fabricated fittings intended for use with outside-diameter controlled CX-PE pipe and tubing. These fittings are manufactured by heat-fusion joining shape-modified CX-PE components prepared from pipe, molded fittings, sheet, billet, or block. Included are requirements for materials, design, workmanship, minimum dimensions, marking, test methods, and quality control.  
1.2 Pressure rating of the fabricated-fitting design is beyond the scope of this standard and shall be established by the fitting manufacturer.  
1.3 Fittings manufactured in accordance with this specification are primarily intended to be joined to CX-PE pipes and used in CX-PE piping systems that are commissioned in accordance with a pipe manufacturer recommended commissioning practice. In addition, fittings manufactured in accordance with this specification that are ≥65 % crosslinked prior to installation can meet the additional requirements of Specification F2829.  
1.4 The pressure rating determined for a fitting will result in the fittings’ equivalent dimension ratio (EDR). The EDR specified by the fitting manufacturer is the DR of the piping system for which the fabricated fitting is intended to be joined. This standard specifies that fittings be fabricated from pipe sections of a lower DR than pipe that the fabricated fitting is intended to be joined to. This standard follows the pattern of Specification F2206 which specifies that the wall thickness of fabricated multiple segment elbow fittings shall be a minimum of 22 % more than the pipe to be joined to for example.
Note 1: Increased wall thickness alone is not necessarily sufficient to produce fittings adequate for use. Increased wall thickness without consideration of proper material placement can be detrimental to performance. Finite element analysis studies have shown that abrupt changes in fitting wall sections, such as between a heavy socket hub and body wall, concentrates stress at the transition point. Normal stresses from flex, pressure, expansion, and contraction in a plastic piping system can break a fitting at this point. Short transitions from 22 % thicker fittings to pipe or tubing create a similar condition.  
1.5 Design of fabricated fittings is outside of the scope of this standard. Requirements related to thicknesses and taper angles are intended to differentiate potentially good, fabricated fittings from fittings with a high risk of failure. Users of the standard are advised that for large or made-to-order fittings, minimal testing is required by this standard, and it may be insufficient itself to identify improperly designed and produced fittings made in accordance with this standard. The design and production of fittings made in accordance with this standard shall be performed by a fabricator with appropriate training, equipment and knowledge of fitting design and production.  
1.6 Pipe used to fabricate fittings in accordance with this specification shall be produced in accordance with pipe manufacturer specifications.  
1.7 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.8 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Non-conformance with this practice is possible if values from the two systems are combined. Values in parentheses are conversions that are appropriately rounded for accuracy and precision; that are not exact equivalents, and that are for non-mandatory informational purposes.  
1.9 The following safety hazards caveat pertains only to the pressure test requirements 6.3 of this specification. This standard does not purport to address all of t...

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ASTM
ASTM F1948-20(Specification)
Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing

ABSTRACT
This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with outside diameter controlled thermoplastic gas distribution pipe and tubing. Types of mechanical fittings: clamped insert fitting; compression fitting; compression gasket fitting; and stab-type fitting. The following tests shall be performed: tensile strength test; temperature cycling test; constant tensile load joint test; and elevated temperature sustained pressure test.
SCOPE
1.1 This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with outside diameter controlled thermoplastic gas distribution pipe and tubing as specified in Specification D2513, F2785, or F2945.  
1.2 The test methods described are not intended to be routine quality control tests.  
1.3 This specification covers the types of mechanical fittings described in 3.3.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures), shall not be considered as requirements of the standard.  
1.6 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification.  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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM F2098-18(Specification)
Standard Specification for Stainless Steel Clamps for Securing SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) to Metal Insert and Plastic Insert Fittings

ABSTRACT
This specification covers stainless steel clamps for securing SDR9 cross-linked polyethylene (PEX) tubing to metal insert and plastic insert fittings. All performance tests shall be performed on assemblies of fittings, clamps and PEX tubing. Clamps shall meet the material and dimensional requirements prescribed. The surfaces of the clamps shall be smooth and free of foreign material. Clamps shall be free of cracks, holes, corrosion, voids, foreign inclusions, or other defects that are visible to the unaided eye that have potential to affect the clamp integrity. Insert fittings shall be joined to PEX tubing by deforming and locking a stainless steel clamp around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by the ribs on the fitting. The clamping procedure shall be as follows: slide the clamp onto the tubing, insert the ribbed end of the fitting into the end of the tubing until the tubing contacts the shoulder of the fitting or tube stop.
SCOPE
1.1 This specification covers stainless steel clamps for use with five sizes of insert fittings that comply with F1807 or F2159, and cross-linked polyethylene (PEX) plastic tubing that complies with F876 and for use with polyethylene of raised temperature (PE-RT) tubing that complies with Specification F2769. These clamps are intended as an alternative to the copper-alloy crimp-rings of Specifications F1807 for use in 100 psi (689.5 kPa) cold- and hot-water distribution systems operating at temperatures up to and including 180°F (82°C). Included are requirements for materials, workmanship, dimensions and marking of the stainless steel clamps; requirements for deforming the clamps; which apply to assemblies of PEX tubing and Specifications F1807 and F2159, insert fittings secured with deformed clamps per this specification.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM A815/A815M-24(Specification)
Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings

ABSTRACT
This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction. Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. The material for fittings shall consist of forgings, bars, plates, or seamless or welded tubular products. The steel shall be melted by electric furnace, vacuum furnace, or electric furnace followed by vacuum or electroslag-consumable remelting. Forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining or by combination of two or more of these operations. The materials shall undergo heat treatment and shall follow the required cooling process and tempering temperature. Chemical and product analyses shall be performed and shall conform to the required chemical composition in carbon, manganese, phosphorus, silicon, sulfur, nickel, chromium, molybdenum, copper, nitrogen, and titanium. The mechanical properties of the fitting material shall conform to the required values in yield strength, tensile strength, elongation, and hardness.
SCOPE
1.1 This specification covers two general classes, WP and CR, of wrought ferritic, ferritic/austenitic, and martensitic stainless steel fittings of seamless and welded construction covered by the latest revision of Specification A960/A960M. Fittings differing from these standards may be furnished in accordance with Supplementary Requirement S58 of Specification A960/A960M.  
1.1.1 Class WP fittings are subdivided into four subclasses: Classes WP-S, WP-W, WP-WX, and WP-WU. They are manufactured to the requirements of Specification A960/A960M, and they shall have pressure ratings compatible with 13.2. Class WP-S fittings are those manufactured from seamless product by a seamless method of manufacture (marked with class symbol WP-S); Class WP-W fittings are those which contain welds where the fitting fabrication or construction welds have been radiographed (marked with class symbol WP-W); and Class WP-WX fittings are those which contain welds where all welds have been radiographed (marked with class symbol WP-WX); and Class WP-WU fittings are those which contain welds where all welds have been ultrasonically tested (marked with class symbol WP-WU).  
1.1.2 Class CR fittings are those manufactured to the requirements of MSS SP-43, and they shall have pressure ratings compatible with 13.3.  
1.2 This specification does not apply to cast fittings.  
1.3 Optional supplementary requirements are provided. When desired, one or more of these may be specified in the order.  
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation [SI units], the material shall be furnished to inch-pound units.  
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM A778/A778M-24(Specification)
Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products

ABSTRACT
This specification covers straight seam and spiral butt seam welded unannealed austenitic stainless steel tubular products intended for low and moderate temperatures and corrosive service where treatment is not necessary for corrosion resistance. The tubular products shall be made from flat-rolled steel sheet, coil, or plate by a shielded arc-welding process. The welds shall be made by the manual or automatic electric-welding process. Injurious weld defects shall be repaired by removal to sound metal and rewelding. Transverse tension test and transverse-guided bend test shall be done to the welded joints. Finished products shall have smooth ends free or burrs and shall be free of injurious defects.
SCOPE
1.1 This specification covers straight seam and spiral butt seam welded unannealed austenitic stainless steel tubular products intended for low and moderate temperatures and corrosive service where heat treatment is not necessary for corrosion resistance. Table 1 lists the five grades covered by this specification. The user of this specification should be aware that a minimum amount of testing and examination is required of the basic product. The user requiring additional testing or examination is referred to the supplemental requirements or Ordering Information, or both. Users requiring a tubular product with post-weld heat treatment or with radiographic examination are referred to Specification A312/A312M, A358/A358M, or A409/A409M, as applicable.    
1.2 This specification covers welded unannealed tubular products 3 in. [75 mm] through 48 in. [1200 mm] in outside diameter and in nominal wall thicknesses of 0.062 in. [1.57 mm] through 0.500 in. [12.70 mm] produced to this specification. Tubular products having other diameters or wall thickness, or both, may be furnished provided it complies with all other requirements of this specification.  
1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining the values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM A350/A350M-24(Specification)
Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components

ABSTRACT
This specification covers several grades of carbon and low alloy steel forged or ring-rolled flanges, forged fittings and valves for low-temperature service. The steel specimens shall be melt processed using open-hearth, basic oxygen, electric furnace or vacuum-induction melting. A sufficient discard shall be made to secure freedom from injurious piping and undue segregation. The materials shall be forged and shall undergo heat treatment such as normalizing, tempering, quenching and precipitation heat treatment. Heat analysis and product analysis shall be performed wherein the steel materials shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, copper, columbium, vanadium, and nitrogen. The materials shall also undergo tension tests and shall conform to the required values of tensile strength, yield strength and elongation. Impact tests shall also be performed and the steel materials shall conform to the required values of minimum impact energy, temperature, and minimum equivalent absorbed energy. Hardness and hydrostatic tests shall also be performed.
SCOPE
1.1 This specification2 covers several grades of carbon and low-alloy steel forged or ring-rolled flanges, forged fittings and valves intended primarily for low-temperature service and requiring notch toughness testing. They are made to specified dimensions, or to dimensional standards, such as the ASME and API Specifications referenced in Section 2. Although this specification covers some piping components machined from rolled bar and seamless tubular materials (see 5.3.3), it does not cover raw material produced in these product forms.  
1.2 No limitation on size is intended beyond the ability of the manufacturer to obtain the specified requirements. However, Class 3 of Grade LF787 is only available in the quenched-and-precipitation heat treated condition.  
1.3 Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified by the purchaser in the order.  
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.  
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM A182/A182M-24(Specification)
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

ABSTRACT
This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service. After hot working, forgings shall be cooled to a specific temperature prior to heat treatment, which shall be performed in accordance with certain requirements such as heat treatment type, austenitizing/solution temperature, cooling media, and quenching. The materials shall conform to the required chemical composition for carbon, manganese, phosphorus, silicon, nickel, chromium, molybdenum, columbium, titanium. The material shall conform to the requirements as to mechanical properties for the grade ordered such as tensile strength, yield strength, elongation, Brinell hardness. All H grades and grade F 63 shall be tested for average grain size.
SCOPE
1.1 This specification2 covers forged low alloy and stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts to specified dimensions or to dimensional standards, such as the ASME specifications that are referenced in Section 2.  
1.2 For bars and products machined directly from bar or hollow bar (other than those directly addressed by this specification; see 6.4), refer to Specifications A479/A479M, A739, or A511/A511M for the similar grades available in those specifications.  
1.3 Products made to this specification are limited to a maximum weight of 10 000 lb [4540 kg]. For larger products and products for other applications, refer to Specifications A336/A336M and A965/A965M for the similar ferritic and austenitic grades, respectively, available in those specifications.  
1.4 Several grades of low alloy steels and ferritic, martensitic, austenitic, and ferritic-austenitic stainless steels are included in this specification. Selection will depend upon design and service requirements. Several of the ferritic/austenitic (duplex) grades are also found in Specification A1049/A1049M.  
1.5 Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.  
1.6 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.  
1.7 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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