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ASTM F3597-23

(Specification)

Standard Specification for MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene (PEX) Pressure Pipe for Oil and Gas Producing Applications

Standard Specification for MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene (PEX) Pressure Pipe for Oil and Gas Producing Applications

SCOPE
1.1 This specification covers crosslinked polyethylene (PEX) pipe that is outside diameter controlled in metric pipe sizes (DN 16 to 1000) and inch pipe sizes (NPS 3 to 54), and pressure rated (see Appendix X1) using the ISO MRS rating system. This specification is intended for PEX pipe made by various processes, as long as the PEX pipe made by that process meets all the requirements of this specification. Included are requirements and test methods for material, workmanship, UV protection, dimensions, hydrostatic sustained pressure, chemical resistance, minimum operating temperature, degree of crosslinking, squeeze-off, and hydrostatic burst pressure. Requirements for pipe markings are also given. The pipe covered by this specification is intended for pressure or non-pressure oil and gas producing applications such as conveying oil, dry or wet gas, gas gathering, multiphase fluids, and non-potable oilfield water. This specification does not cover gas distribution applications.  
Note 1: Gas gathering applications where the pipe size is greater than NPS 8 may be subject to PHMSA design, material, and installation requirements.  
1.2 This specification also includes requirements for qualifying joints made using polyethylene electrofusion fittings (such as Specification F3373) and PEX pipe. Fittings to be used with PEX pipe manufactured to this specification are in Specification F2829. Installation considerations are in X2.2.
Note 2: NPS fittings should not be used for DN sized pipe, and DN sized fittings should not be used for NPS pipe.  
1.3 The text of this specification references notes, footnotes, and appendixes, which provide explanatory material. These notes and footnotes (excluding those in tables and figures) should not be considered as requirements of the specification.  
1.4 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.4.1 For consistency with ISO 9080, MRS values shall only be in SI units for conversion to the pipe material designation (for example PEX material in pipe form with an MRS of 8 MPa is designated a PEX 80.  
1.5 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.  
1.6 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.

General Information

Status
Published
Publication Date
31-Jan-2023
ICS
23.040.20 - Plastics pipes
Technical Committee
F17 - Plastic Piping Systems
Drafting Committee
F17.68 - Energy Piping Systems
Current Stage
Ref Project

Relations

Refers
ASTM D1603-20 - Standard Test Method for Carbon Black Content in Olefin Plastics
Effective Date
01-Feb-2020
Refers
ASTM D4218-20 - Standard Test Method for Determination of Carbon Black Content in Polyethylene Compounds by the Muffle-Furnace Technique
Effective Date
01-Feb-2020
Refers
ASTM F412-20 - Standard Terminology Relating to Plastic Piping Systems
Effective Date
01-Apr-2020

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ASTM F3597-23 - Standard Specification for MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene (PEX) Pressure Pipe for Oil and Gas Producing ApplicationsASTM F3597-23 - Standard Specification for MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene (PEX) Pressure Pipe for Oil and Gas Producing Applications
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ASTM F3597-23 - Standard Specification for MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene (PEX) Pressure Pipe for Oil and Gas Producing Applications
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Standards Content (Sample)

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.
Designation: F3597 − 23
Standard Specification for
MRS-Rated Metric- and Inch-sized Crosslinked Polyethylene
(PEX) Pressure Pipe for Oil and Gas Producing
1
Applications
This standard is issued under the fixed designation F3597; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope values stated in each system are not necessarily exact equiva-
lents; therefore, to ensure conformance with the standard, each
1.1 This specification covers crosslinked polyethylene
system shall be used independently of the other, and values
(PEX) pipe that is outside diameter controlled in metric pipe
from the two systems shall not be combined.
sizes (DN 16 to 1000) and inch pipe sizes (NPS 3 to 54), and
1.4.1 For consistency with ISO 9080, MRS values shall
pressure rated (see Appendix X1) using the ISO MRS rating
only be in SI units for conversion to the pipe material
system. This specification is intended for PEX pipe made by
designation (for example PEX material in pipe form with an
various processes, as long as the PEX pipe made by that
MRS of 8 MPa is designated a PEX 80.
process meets all the requirements of this specification. In-
1.5 This standard does not purport to address all of the
cluded are requirements and test methods for material,
safety concerns, if any, associated with its use. It is the
workmanship, UV protection, dimensions, hydrostatic sus-
responsibility of the user of this standard to establish appro-
tained pressure, chemical resistance, minimum operating
priate safety, health, and environmental practices and deter-
temperature, degree of crosslinking, squeeze-off, and hydro-
mine the applicability of regulatory limitations prior to use.
static burst pressure. Requirements for pipe markings are also
1.6 This international standard was developed in accor-
given. The pipe covered by this specification is intended for
dance with internationally recognized principles on standard-
pressure or non-pressure oil and gas producing applications
ization established in the Decision on Principles for the
such as conveying oil, dry or wet gas, gas gathering, multi-
Development of International Standards, Guides and Recom-
phase fluids, and non-potable oilfield water. This specification
mendations issued by the World Trade Organization Technical
does not cover gas distribution applications.
Barriers to Trade (TBT) Committee.
NOTE 1—Gas gathering applications where the pipe size is greater than
NPS 8 may be subject to PHMSA design, material, and installation
2. Referenced Documents
requirements.
2
2.1 ASTM Standards:
1.2 This specification also includes requirements for quali-
D543 Practices for Evaluating the Resistance of Plastics to
fying joints made using polyethylene electrofusion fittings
Chemical Reagents
(such as Specification F3373) and PEX pipe. Fittings to be
D618 Practice for Conditioning Plastics for Testing
used with PEX pipe manufactured to this specification are in
D792 Test Methods for Density and Specific Gravity (Rela-
Specification F2829. Installation considerations are in X2.2.
tive Density) of Plastics by Displacement
NOTE 2—NPS fittings should not be used for DN sized pipe, and DN
D1505 Test Method for Density of Plastics by the Density-
sized fittings should not be used for NPS pipe.
Gradient Technique
1.3 The text of this specification references notes, footnotes, D1598 Test Method for Time-to-Failure of Plastic Pipe
Under Constant Internal Pressure
and appendixes, which provide explanatory material. These
D1599 Test Method for Resistance to Short-Time Hydraulic
notes and footnotes (excluding those in tables and figures)
Pressure of Plastic Pipe, Tubing, and Fittings
should not be considered as requirements of the specification.
D1600 Terminology for Abbreviated Terms Relating to Plas-
1.4 Units—The values stated in either SI units or inch-
tics
pound units are to be regarded separately as standard. The
D1603 Test Method for Carbon Black Content in Olefin
Plastics
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic
2
Piping Systems and is the direct responsibility of Subcommittee F17.68 on Energy For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Piping Systems. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Feb. 1, 2023. Published March 2023. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
F3597 the ASTM
...

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1.1 This terminology is a compilation of definitions of technical terms used in the plastic piping industry. Terms that are generally understood or adequately defined in other readily available sources are not included.  
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Standard Test Method for Determination of Gel Content of Crosslinked Polyethylene (PEX) Pipes and Tubing

SIGNIFICANCE AND USE
5.1 Many important properties of crosslinked ethylene plastics vary with the gel content. Hence, determination of the gel content provides a basis for controlling production processes and a means of establishing the quality of finished products.  
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SCOPE
1.1 The gel content of pipe and tubing produced from crosslinked polyethylene plastics as described in Specification F876 and other pipe or tubing standards is determined by extracting with solvents such as xylenes. A test method for quantitative determination of gel content is described herein. The method is applicable to PEX pipe and tubing of all densities, including those containing fillers, and provides correction for the inert fillers present in some of those compounds.  
1.2 Continuous extraction (see definition in Section 3) is used in this method to test the gel content of crosslinked polyethylene specimens. Continuous extraction when used for testing gel content has the advantages of decreased cost of testing, increased accuracy and consistency of results, and decreased test time. This is because extraction with a pure solvent is more efficient than extraction with a partially saturated solvent.  
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1.1 This specification covers coextruded acrylonitrile-butadiene-styrene (ABS) plastic drain, waste, and vent pipe made to Schedule 40 iron pipe sizes (IPS) and produced by the coextrusion process with concentric inner and outer solid ABS layers and the core consisting of closed-cell cellular ABS. Plastic which does not meet the material requirements specified in Section 5 is excluded from single layer and all coextruded layers.  
1.2 Fittings suitable for use with pipe meeting the requirements of this specification are given in Annex A1. Fittings meeting the requirement of Specification D2661 are also acceptable.  
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1.1 This specification covers requirements and test methods for material dimensions and tolerances, hydrostatic burst strength, chemical resistance, and impact resistance of PEX pipe and tubing for use in fuel gas mains and services for direct burial applications.  
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This specification covers the requirements for smooth-wall perforated and nonperforated poly(vinyl chloride) (PVC) plastic pipe and couplings for use in subsurface drainage systems of highways, airports, and similar applications. Two classes (or pipe stiffness) are included and designated as PS 28 and PS 46. The pipe stiffness, impact resistance, pipe flattening, and solvent cement joint tightness shall be tested to meet the requirements prescribed.
SCOPE
1.1 This specification covers the requirements for smooth-wall perforated and nonperforated poly(vinyl chloride) (PVC) plastic pipe and couplings for use in subsurface drainage systems of highways, airports, and similar applications in nominal sizes of 4, 6, and 8 in. and in pipe stiffnesses (PS) that are designated as Type PS 28 and Type PS 46 in accordance with its minimum pipe stiffness.  
1.2 Molded fittings for use with highway underdrain pipe are in accordance with Specification D3034. For convenience, some of these fittings are reproduced in Annex A1.  
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
Note 1: Type PS 28 and Type PS 46 indicate “pipe stiffness” of 28 and 46, respectively, as outlined in 11.1.
Note 2: Pipe and fittings should be installed in accordance with Practice D2321, or applicable state or local specifications.  
1.4 Units—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 following safety hazards caveat pertains only to the test methods portion, Section 11, 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.  
1.6 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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